Long-term field experiments: their importance in understanding sustainable land use

Powlson, D. S. and Johnston, A. E. 1994. Long-term field experiments: their importance in understanding sustainable land use. Proceedings International Workshop on Sustainable Agriculture and the Conservation of Agro-ecosystems, Tsukuba, Japan, 2-4 March 1994 . National Institute of Agro-Environmental Science. pp. 124-151

Related outputs

Obituary: Philip Charles Brookes: 26th March 1951–28th September 2023

A - Papers appearing in refereed journals

Powlson, D. S. 2024. Obituary: Philip Charles Brookes: 26th March 1951–28th September 2023. Soil Biology and Biochemistry. 194, p. 109446. https://doi.org/10.1016/j.soilbio.2024.109446

The Broadbalk Wheat Experiment, Rothamsted, UK Crop yields and soil changes during the last 50 years

A - Papers appearing in refereed journals

Poulton, P. R., Johnston, A. E., Glendining, M. J., White, R. P., Gregory, A. S., Clark, S. J., Gregory, W., Macdonald, A. J. and Powlson, D. S. 2024. The Broadbalk Wheat Experiment, Rothamsted, UK Crop yields and soil changes during the last 50 years. Advances in Agronomy. 184, pp. 173-298. https://doi.org/10.1016/bs.agron.2023.11.003

Why do we make changes to the long-term experiments at Rothamsted?

A - Papers appearing in refereed journals

Poulton, P. R., Powlson, D. S., Glendining, M. J. and Gregory, A. S. 2024. Why do we make changes to the long-term experiments at Rothamsted? European Journal of Agronomy. 154 (March), p. 127062. https://doi.org/10.1016/j.eja.2023.127062

Climate change mitigation through soil carbon sequestration in working lands: A reality check

A - Papers appearing in refereed journals

Moinet, G. Y. K., Amundson, R., Galdos, M. V., Grace, P. R., Haefele, S. M., Hijbeek, R., Groenigen, J. W. V., Groenigen, K. J. V. and Powlson, D. S. 2023. Climate change mitigation through soil carbon sequestration in working lands: A reality check. Global Change Biology. 30 (1), p. e17010. https://doi.org/10.1111/gcb.17010

Fertilizer and Soil Health in Africa The Role of Fertilizer in Building Soil Health to Sustain Farming and Address Climate Change

B - Book chapters etc edited externally

Vanlauwe, B., Amede, T., Bationo, A., Bindraban, P., Breman, H., Cardinae, R., Couede, A., Chivenge, P., Corbeels, M., Dobermann, A., Falconnier, G., Fatunbi, W., Giller, K., Harawa, R., Kamau, M., Merckx, R., Palm, C., Powlson, D. S., Rusinamhodzi, L., Six, J., Singh, U., Stewart, Z., Ittersum, M. V., Witt, C., Zingore, S. and Groot, R. 2023. Fertilizer and Soil Health in Africa The Role of Fertilizer in Building Soil Health to Sustain Farming and Address Climate Change. in: Fertilizer and Soil Health in Africa THE ROLE OF FERTILIZER IN BUILDING SOIL HEALTH TO SUSTAIN FARMING AND ADDRESS CLIMATE CHANGE International Fertilizer Development Center - IFDC.

Soil organic carbon fractions in response to soil, environmental and agronomic factors under cover cropping systems: A global meta-analysis

A - Papers appearing in refereed journals

Hu, Q., Thomas, B. W., Powlson, D. S., Hu, Y., Zhang, Y., Jun, X., Shi, X. and Zhang, Y. 2023. Soil organic carbon fractions in response to soil, environmental and agronomic factors under cover cropping systems: A global meta-analysis. Agriculture, Ecosystems & Environment. 355 (1 OCT), p. 108591. https://doi.org/10.1016/j.agee.2023.108591

Challenging claimed benefits of soil carbon sequestration for mitigating climate change and increasing crop yields: heresy or sober realism?

A - Papers appearing in refereed journals

Powlson, D. S. and Galdos, M. V. 2023. Challenging claimed benefits of soil carbon sequestration for mitigating climate change and increasing crop yields: heresy or sober realism? Global Change Biology. 29 (9), pp. 2381-2383. https://doi.org/10.1111/gcb.16640

Response of three cereal crops in continuous arable or ley-arable rotations to fertiliser nitrogen and soil nitrogen at Rothamsted's Woburn Ley-arable experiment

A - Papers appearing in refereed journals

Poulton, P. R., Johnston, A. E. and White, R. P. 2023. Response of three cereal crops in continuous arable or ley-arable rotations to fertiliser nitrogen and soil nitrogen at Rothamsted's Woburn Ley-arable experiment. Soil Use and Management. 39 (2), pp. 771-784. https://doi.org/10.1111/sum.12872

Net Primary Production constraints are crucial to realistically project soil organic carbon sequestration. Response to Minasny et al.

A - Papers appearing in refereed journals

Janzen, H. H., Groenigen, K. J., Powlson, D. S., Schwinghamer, T. and Van Groenigend, J. W. 2022. Net Primary Production constraints are crucial to realistically project soil organic carbon sequestration. Response to Minasny et al. Geoderma. 424, p. 115974. https://doi.org/10.1016/j.geoderma.2022.115974

Progress on improving agricultural nitrogen use efficiency: UK-China virtual joint centers on nitrogen agronomy

A - Papers appearing in refereed journals

Misselbrook, T. H., Bai, Z., Cai, Z., Cao, W., Carswell, A. M., Cowan, N., Cui, Z., Chadwick, D. R., Emmett, B., Goulding, K. W. T., Jiang, R., Jones, D. L., Ju, X., Liu, H., Lu, Y., Ma, L., Powlson, D. S., Rees, R. M., Skiba, U., Smith, P., Sylvester-Bradley, R., Williams, J., Wu, L., Xu, M., Xu, W., Zhang, F., Zhang, J., Zhou, J. and Liu, X. 2022. Progress on improving agricultural nitrogen use efficiency: UK-China virtual joint centers on nitrogen agronomy. Frontiers of Agricultural Science and Engineering - FASE. 9 (3), pp. 475-489. https://doi.org/10.15302/J-FASE-2022459

Response to ‘A well-established fact - Rapid mineralization of organic inputs is an important factor for soil carbon sequestration’ by Angers et al.

A - Papers appearing in refereed journals

Berthelin, J., Laba, M., Lemaire, G., Powlson, D. S., Tessier, D., Wander, M. and Baveye, P. C. 2022. Response to ‘A well-established fact - Rapid mineralization of organic inputs is an important factor for soil carbon sequestration’ by Angers et al. European Journal of Soil Science. 73 (4), p. e13272. https://doi.org/10.1111/ejss.13272

The Woburn Ley-arable experiment, 1938-2020: its management, the issues and problems that arose, and their resolution to maintain the continuity and relevance of the experiment.

D1 - Technical reports: non-confidential

Johnston, A. E., Poulton, P. R., Macdonald, A. J. and Glendining, M. J. 2022. The Woburn Ley-arable experiment, 1938-2020: its management, the issues and problems that arose, and their resolution to maintain the continuity and relevance of the experiment. https://doi.org/10.23637/wrn3-manag1938-2020-01

Is it possible to attain the same soil organic matter content in arable agriculture soils as under natural vegetation?

A - Papers appearing in refereed journals

Powlson, D. S., Poulton, P. R., Glendining, M. J., Macdonald, A. J. and Goulding, K. W. T. 2022. Is it possible to attain the same soil organic matter content in arable agriculture soils as under natural vegetation? Outlook on Agriculture. 51 (1), pp. 91-104. https://doi.org/10.1177/00307270221082113

Soil carbon sequestration for climate change mitigation: Mineralization kinetics of organic inputs as an overlooked limitation

A - Papers appearing in refereed journals

Berthelin, J., Laba, M., Lemaire, G., Powlson, D. S., Tessier, D., Wander, M. and Baveye, C. 2022. Soil carbon sequestration for climate change mitigation: Mineralization kinetics of organic inputs as an overlooked limitation. European Journal of Soil Science. 73 (1), p. e13221. https://doi.org/10.1111/ejss.13221

Photosynthetic limits on carbon sequestration in croplands

A - Papers appearing in refereed journals

Janzen, H. H., Van Groenigen, K. J., Powlson, D. S., Schwinghamer, T. and Van Groenigen, J. W. 2022. Photosynthetic limits on carbon sequestration in croplands. Geoderma. 416 (15 June), p. 115810. https://doi.org/10.1016/j.geoderma.2022.115810

The legacy effect of synthetic N fertiliser

A - Papers appearing in refereed journals

Vonk, W. J., Hijbeek, R., Glendining, M. J., Powlson, D. S., Bhogal, A., Merbach, I., Silva, J. V., Poffenbarger, H. J., Dhillon, J., Sieling, K. and Ten Berge, H. F. M. 2022. The legacy effect of synthetic N fertiliser. European Journal of Soil Science. 73 (3), p. e13238. https://doi.org/10.1111/ejss.13238

Can Long-Term Experiments Help Us Understand, and Manage, the Wider Landscape—Examples from Rothamsted, England

B - Book chapters etc edited externally

Poulton, P. R. and Johnston, A. E. 2021. Can Long-Term Experiments Help Us Understand, and Manage, the Wider Landscape—Examples from Rothamsted, England. in: Mueller, L., Sychev, V. G., Dronin, N. M. and Eulenstein, F. (ed.) Exploring and Optimizing Agricultural Landscapes. Innovations in Landscape Research Springer. pp. 233-252

Influence of organic matter on soil properties: by how much can organic carbon be increased in arable soils and can changes be measured?

A - Papers appearing in refereed journals

Powlson, D. S. and Neal, A. L. 2021. Influence of organic matter on soil properties: by how much can organic carbon be increased in arable soils and can changes be measured? Proceedings of the International Fertiliser Society. 862, pp. 1-32.

Significant soil degradation is associated with intensive vegetable cropping in a subtropical area: a case study in southwestern China

A - Papers appearing in refereed journals

Lu, M., Powlson, D. S., Liang, Y., Chadwick, D. R., Long, S., Liu, D. and Chen, X. 2021. Significant soil degradation is associated with intensive vegetable cropping in a subtropical area: a case study in southwestern China. Soil. 7, pp. 333-346. https://doi.org/10.5194/soil-7-333-2021

Is 'soil health' meaningful as a scientific concept or as terminology?

A - Papers appearing in refereed journals

Powlson, D. S. 2021. Is 'soil health' meaningful as a scientific concept or as terminology? Soil Use and Management. 37 (3), pp. 403-405. https://doi.org/10.1111/sum.12721

Outputs: Potassium Losses from Agricultural Systems

B - Book chapters etc edited externally

Goulding, K. W. T., Murrell, S. T., Mikkelsen, R. L., Rosolem, C., Johnston, A. E., Wang, H. and Alfaro, M. A. 2021. Outputs: Potassium Losses from Agricultural Systems. in: Murrell, S. T., Mikkelsen, R. L., Sulewski, G., Norton, R. and Thompson, M. L. (ed.) Improving Potassium Recommendations for Agricultural Crops Cham, Switzerland Springer. pp. 75-97

Use of ammonium sulphate as a sulphur fertilizer: implications for ammonia volatilization

A - Papers appearing in refereed journals

Powlson, D. S. and Dawson, C. J. 2021. Use of ammonium sulphate as a sulphur fertilizer: implications for ammonia volatilization. Soil Use and Management. https://doi.org/10.1111/sum.12733

Microbial metabolic response to winter warming stabilizes soil carbon

A - Papers appearing in refereed journals

Tian, J., Zong, N., Harley, I. P., He, N., Zhang, J., Powlson, D. S., Zhou, J., Kuzyakov, Y., Zhang, F., Yu, G. and Dungait, J. A. J. 2021. Microbial metabolic response to winter warming stabilizes soil carbon. Global Change Biology. 27 (10), pp. 2011-2028. https://doi.org/10.1111/gcb.15538

The effect of organic carbon content on soil compression characteristics

A - Papers appearing in refereed journals

Suravi, K., Attenborough, K., Taherzadeh, S., Macdonald, A. J., Powlson, D. S., Ashton, R. W., Suravi, K. N. and Whalley, W. R. 2021. The effect of organic carbon content on soil compression characteristics. Soil & Tillage Research. 209 (May), p. 104975. https://doi.org/10.1016/j.still.2021.104975

Agriculture Green Development in China and the UK: common objectives and converging policy pathways

A - Papers appearing in refereed journals

Lu, Y., Norse, D. and Powlson, D. S. 2020. Agriculture Green Development in China and the UK: common objectives and converging policy pathways. Frontiers of Agricultural Science and Engineering - FASE. 7 (1), pp. 98-105. https://doi.org/10.15302/j-fase-2019298

The persistence of bacterial diversity and ecosystem multifunctionality along a disturbance intensity gradient in karst soil

A - Papers appearing in refereed journals

Xue, Y., Tiana, J., Quine, T. A., Powlson, D. S., Xing, K., Yang, L., Kuzyakov, Y and Dungait, J. A. J. 2020. The persistence of bacterial diversity and ecosystem multifunctionality along a disturbance intensity gradient in karst soil. Science of the Total Environment. 748 (Article), p. 142381. https://doi.org/10.1016/j.scitotenv.2020.142381

Soil health—useful terminology for communication or meaningless concept? Or both?

A - Papers appearing in refereed journals

Powlson, D. S. 2020. Soil health—useful terminology for communication or meaningless concept? Or both? Frontiers of Agricultural Science and Engineering - FASE. https://doi.org/10.15302/J-FASE-2020326

Long-term agricultural research at Rothamsted

B - Book chapters etc edited externally

Macdonald, A. J., Poulton, P. R., Glendining, M. J. and Powlson, D. S. 2020. Long-term agricultural research at Rothamsted. in: Bhullar, G.S. and Riar, A. (ed.) Long-term Farming Systems Research - Ensuring Food Security in Changing Scenarios Academic Press Inc Elsevier Science. pp. 15-33

Can N2O emissions offset the benefits from soil organic carbon storage?

A - Papers appearing in refereed journals

Guenet, B., Gabrielle, B., Chenu, C., Arrouays, D., Balesdent, J., Bernoux, M., Bruni, E., Caliman, J-P., Cardinael, R., Chen, S., Ciais, P., Desbois, D., Fouche, J., Frank, S., Henault, C., Lugato, E., Naipal, V., Nesme, T., Obersteiner, M., Pellerin, S., Powlson, D. S., Rasse, D., Rees, F., Soussana, J-F., Su, Y., Tian, H., Valin, H. and Zhou, F. 2020. Can N2O emissions offset the benefits from soil organic carbon storage? Global Change Biology. https://doi.org/10.1111/gcb.15342

Nitrogen Surplus Benchmarks for Controlling N Pollution in the Main Cropping Systems of China

A - Papers appearing in refereed journals

Zhang, C., Ju, X., Powlson, D. S., Oenema, O. and Smith, P. 2019. Nitrogen Surplus Benchmarks for Controlling N Pollution in the Main Cropping Systems of China. Environmental Science & Technology. 53 (12), pp. 6678 - 6687. https://doi.org/10.1021/acs.est8b06383

Carbon sequestration potential through conservation agriculture in Africa has been largely overestimated Comment on : "Meta-analysis on carbon sequestration through conservation agriculture in Africa"

A - Papers appearing in refereed journals

Corbeels, M., Cardinael, R., Powlson, D. S., Chikowo, R. and Gerard, B. 2019. Carbon sequestration potential through conservation agriculture in Africa has been largely overestimated Comment on : "Meta-analysis on carbon sequestration through conservation agriculture in Africa". Soil & Tillage Research. https://doi.org/10.1016/j.still.2019.104300

Phosphorus in agriculture: a review of results from 175 years research at Rothamsted, UK

A - Papers appearing in refereed journals

Poulton, P. R. and Johnston, A. E. 2019. Phosphorus in agriculture: a review of results from 175 years research at Rothamsted, UK. Journal of Environmental Quality. 48 (5), pp. 1133-1144. https://doi.org/10.2134/jeq2019.02.0078

4 Per Mille – Is It Feasible to sequester

C2 - Non-edited contributions to conferences

Powlson, D. S., Poulton, P. R., Macdonald, A. J., Johnston, A. E., White, R. P. and Goulding, K. W. T. 2018. 4 Per Mille – Is It Feasible to sequester .

Enhanced-efficiency fertilizers are not a panacea for resolving the nitrogen problem

A - Papers appearing in refereed journals

Li, T., Zhang, W., Yin, J., Chadwick, D. R., Norse, D., Lu, Y., Liu, X., Chen, X., Zhang, F., Powlson, D. S. and Dou, Z. 2018. Enhanced-efficiency fertilizers are not a panacea for resolving the nitrogen problem. Global Change Biology. 24 (2), pp. e511-e521. https://doi.org/10.1111/gcb.13918

The importance of long‐term experiments in agriculture: their management to ensure continued crop production and soil fertility; the Rothamsted experience

A - Papers appearing in refereed journals

Johnston, A. E. and Poulton, P. R. 2018. The importance of long‐term experiments in agriculture: their management to ensure continued crop production and soil fertility; the Rothamsted experience. European Journal of Soil Science. 69 (1), pp. 113-125. https://doi.org/10.1111/ejss.12521

4 per mille – is it feasible to sequester soil carbon at this rate annually in agricultural soils?

C2 - Non-edited contributions to conferences

Powlson, D. S., Poulton, P. R., Macdonald, A. J., Johnston, A. E., White, R. P. and Goulding, K. W. T. 2018. 4 per mille – is it feasible to sequester soil carbon at this rate annually in agricultural soils?

Chinese cropping systems are a net source of greenhouse gases despite soil carbon sequestration

A - Papers appearing in refereed journals

Gao, B., Huang, T., Ju, X., Gu, B., Huang, W., Xu, L., Rees, R. M., Powlson, D. S., Smith, P. and Cui, S. 2018. Chinese cropping systems are a net source of greenhouse gases despite soil carbon sequestration. Global Change Biology. 24 (12), pp. 5590-5606. https://doi.org/10.1111/gcb.14425

The effect of microbial activity on soil water diffusivity

A - Papers appearing in refereed journals

Choudhury, B. U., Ferraris, S., Ashton, R. W., Powlson, D. S. and Whalley, W. R. 2018. The effect of microbial activity on soil water diffusivity. European Journal of Soil Science. 69 (3), pp. 407-413. https://doi.org/10.1111/ejss.12535

Major limitations to achieving 4 per 1000 increases in soil organic carbon stock in temperate regions: evidence from long-term experiments at Rothamsted Research, UK

A - Papers appearing in refereed journals

Poulton, P. R., Johnston, A. E., Macdonald, A. J., White, R. P. and Powlson, D. S. 2018. Major limitations to achieving 4 per 1000 increases in soil organic carbon stock in temperate regions: evidence from long-term experiments at Rothamsted Research, UK. Global Change Biology. 24 (6), pp. 2563-2584. https://doi.org/10.1111/gcb.14066

Field-scale evaluation of biosolids-derived organomineral fertilizers applied to winter wheat in England

A - Papers appearing in refereed journals

Antille, D. L., Godwin, R. J., Sakrabani, R., Seneweera, S., Tyrrel, S. F. and Johnston, A. E. 2017. Field-scale evaluation of biosolids-derived organomineral fertilizers applied to winter wheat in England. Agronomy Journal. 109 (2), pp. 654-674. https://doi.org/10.2134/agronj2016.09.0495

Response to the Letter to the Editor Regarding Our Viewpoint "Sequestering Soil Organic Carbon: A Nitrogen Dilemma"

A - Papers appearing in refereed journals

Van Groenigen, J. W., Van Kessel, C., Hungate, B. A., Oenema, O., Powlson, D. S. and Van Groenigen, K. J. 2017. Response to the Letter to the Editor Regarding Our Viewpoint "Sequestering Soil Organic Carbon: A Nitrogen Dilemma". Environmental Science & Technology. 51 (20), pp. 11503-11504. https://doi.org/10.1021/acs.est.7b04554

Through the eye of the needle — The story of the soil microbial biomass

B - Book chapters etc edited externally

Powlson, D. S., Xu, J. and Brookes, P. C. 2017. Through the eye of the needle — The story of the soil microbial biomass. in: Tate, K. R. (ed.) Microbial Biomass: A paradigm shift in terrestrial biogeochemistry World Scientific Publ Co Pte Ltd. pp. Chapter 1

Sustainable Intensification - Lessons from the Rothamsted Long-term Experiments

A - Papers appearing in refereed journals

Macdonald, A. J., Poulton, P. R., Glendining, M. J., Goulding, K. W. T., Perryman, S. A. M. and Powlson, D. S. 2017. Sustainable Intensification - Lessons from the Rothamsted Long-term Experiments. Aspects of Applied Biology. 136, pp. 239-244.

Effect of microbial activity on penetrometer resistance and elastic modulus of soil at different temperatures

A - Papers appearing in refereed journals

Gao, W., Muñoz-Romero, V., Ren, T., Ashton, R. W., Morin, M., Clark, I. M., Powlson, D. S. and Whalley, W. R. 2017. Effect of microbial activity on penetrometer resistance and elastic modulus of soil at different temperatures. European Journal of Soil Science. 68 (4), pp. 412-419. https://doi.org/10.1111/ejss.12440

David Stewart Jenkinson. 25 February 1928 — 16 February 2011

A - Papers appearing in refereed journals

Powlson, D. S. and Brookes, P. C. 2017. David Stewart Jenkinson. 25 February 1928 — 16 February 2011. Biographical Memoirs of Fellows of the Royal Society. 63 (9 August), pp. 377-411. https://doi.org/10.1098/rsbm.2017.0007

Sequestering Soil Organic Carbon: A Nitrogen Dilemma

A - Papers appearing in refereed journals

Van Groenigen, J. W., Van Kessel, C., Hungate, B. A., Oenema, O., Powlson, D. S. and Van Groenigen, K. J. 2017. Sequestering Soil Organic Carbon: A Nitrogen Dilemma. Environmental Science & Technology. 51 (9), pp. 4738-4739. https://doi.org/10.1021/acs.est.7b01427

Changes in soil organic matter over 70 years in continuous arable and ley–arable rotations on a sandy loam soil in England

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R., Coleman, K., Macdonald, A. J. and White, R. P. 2017. Changes in soil organic matter over 70 years in continuous arable and ley–arable rotations on a sandy loam soil in England. European Journal of Soil Science. 68 (3), pp. 305-316. https://doi.org/10.1111/ejss.12415

Does conservation agriculture deliver climate change mitigation through soil carbon sequestration in tropical agro-ecosystems?

A - Papers appearing in refereed journals

Powlson, D. S., Stirling, C. M., Thierfelder, C., White, R. P. and Jat, M. L. 2016. Does conservation agriculture deliver climate change mitigation through soil carbon sequestration in tropical agro-ecosystems? Agriculture, Ecosystems & Environment. 220, pp. 164-174. https://doi.org/10.1016/j.agee.2016.01.005

Potassium management in soils and crops: a review

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Poulton, P. R., Goulding, K. W. T., Macdonald, A. J. and Glendining, M. J. 2016. Potassium management in soils and crops: a review. In: Proceedings of the International Fertiliser Society Vol.792. International Fertiliser Society (IFS).

Global nitrogen budgets in cereals: a 50-year assessment for maize, rice and wheat production systems

A - Papers appearing in refereed journals

Ladha, J. K., Tirol-Padre, A., Reddy, C. K., Cassman, K. G., Verma, S., Powlson, D. S., Van Kessel, C., Richter, D. De B., Chakraborty, D. and Pathak, H. 2016. Global nitrogen budgets in cereals: a 50-year assessment for maize, rice and wheat production systems. Scientific Reports. 6, p. 19355. https://doi.org/10.1038/srep19355

Determining the longer term decline in plant-available soil phosphorus from short-term measured values

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R., White, Robin P. and Macdonald, A. J. 2016. Determining the longer term decline in plant-available soil phosphorus from short-term measured values. Soil Use and Management. 32 (2), pp. 151-161. https://doi.org/10.1111/sum.12253

Potassium fertilization: paradox or K management dilemma?

A - Papers appearing in refereed journals

Bar-Yosef, B., Magen, H., Johnston, A. E. and Kirkby, E. A. 2015. Potassium fertilization: paradox or K management dilemma? Renewable Agriculture And Food Systems. 30 (2), pp. 115-119. https://doi.org/10.1017/S1742170514000295

Phosphorus use efficiency and management in agriculture

A - Papers appearing in refereed journals

Roberts, T. L. and Johnston, A. E. 2015. Phosphorus use efficiency and management in agriculture. Resources, Conservation and Recycling. 105, pp. 275-281. https://doi.org/10.1016/j.resconrec.2015.09.013

Reducing excessive nitrogen use in Chinese wheat production through knowledge training: what are the implications for the public extension system?

A - Papers appearing in refereed journals

Jia, X., Huang, J., Xiang, C. and Powlson, D. S. 2015. Reducing excessive nitrogen use in Chinese wheat production through knowledge training: what are the implications for the public extension system? Agroecology and Sustainable Food Systems. 39, pp. 189-208. https://doi.org/10.1080/21683565.2014.967436

Sustainable intensification of China's agriculture: the key role of nutrient management and climate change mitigation and adaptation

A - Papers appearing in refereed journals

Lu, Y., Chadwick, D., Norse, D., Powlson, D. S. and Shi, W. 2015. Sustainable intensification of China's agriculture: the key role of nutrient management and climate change mitigation and adaptation. Agriculture, Ecosystems & Environment. 209, pp. 1-4. https://doi.org/10.1016/j.agee.2015.05.012

Overcoming nitrogen fertilizer over-use through technical and advisory approaches: a case study from Shaanxi Province, northwest China

A - Papers appearing in refereed journals

Zhang, S., Gao, P., Tong, Y., Norse, D., Lu, Y. and Powlson, D. S. 2015. Overcoming nitrogen fertilizer over-use through technical and advisory approaches: a case study from Shaanxi Province, northwest China. Agriculture, Ecosystems & Environment. 209, pp. 89-99. https://doi.org/10.1016/j.agee.2015.03.002

Soil carbon dynamics and nutrient cycling

B - Book chapters etc edited externally

Powlson, D. S., Cai, Z. and Lemanceau, P. 2015. Soil carbon dynamics and nutrient cycling. in: Milne, E., Noellemeyer, E. and Banwart, S. (ed.) Soil carbon: science, management and policy for multiple benefits (SCOPE Vol. 71) CABI International, Wallingford, Oxon (CABI). pp. 98-107

Review of an ADAS Report 'The agronomic case for polyhalite', dated 8 April 2014 (Report prepared for the North York Moors National Park Authority)

D1 - Technical reports: non-confidential

Johnston, A. E. 2015. Review of an ADAS Report 'The agronomic case for polyhalite', dated 8 April 2014 (Report prepared for the North York Moors National Park Authority). North York Moors National Park Authority.

Reply to 'No-till agriculture and climate change mitigation'

A - Papers appearing in refereed journals

Powlson, D. S., Stirling, C. M., Jat, M. L., Gerard, B. G., Palm, C. A., Sanchez, P. A. and Cassman, K. G. 2015. Reply to 'No-till agriculture and climate change mitigation'. Nature Climate Change. 5, p. 489. https://doi.org/10.1038/nclimate2654

The Rothamsted Long-term Experiments

A - Papers appearing in refereed journals

Macdonald, A. J., Powlson, D. S., Poulton, P. R., Watts, C. W., Clark, I. M., Storkey, J., Hawkins, N. J., Glendining, M. J., Goulding, K. W. T. and McGrath, S. P. 2015. The Rothamsted Long-term Experiments. Aspects of Applied Biology. 128.

Rice production, nitrous oxide emission and ammonia volatilization as impacted by the nitrification inhibitor 2-chloro-6-(trichloromethyl)-pyridine

A - Papers appearing in refereed journals

Sun, H., Zhang, H., Powlson, D. S., Min, J. and Shi, W. 2015. Rice production, nitrous oxide emission and ammonia volatilization as impacted by the nitrification inhibitor 2-chloro-6-(trichloromethyl)-pyridine. Field Crops Research. 173, pp. 1-7. https://doi.org/10.1016/j.fcr.2014.12.012

Soil carbon, multiple benefits

A - Papers appearing in refereed journals

Milne, E., Banwart, S. A., Noellemeyer, E., Abson, D. J., Ballabio, C., Bampa, F., Batino, A., Batjes, N. H., Bernoux, M., Bhattacharya, T., Black, H., Buschiazzo, D. E., Cai, Z., Cerri, C. E., Cheng, K., Compagnone, C., Conant, R., Coutinho, H. L. C., De Brogniez, D., De Carvalho Balieiro, C., Duffy, C., Feller, C., Fidalgo, E. C. C., Figueira da Silva, C., Funk, R., Gaudig, G., Gicheru, P. T., Goldhaber, M., Gottschalk, P., Goulet, F., Goverse, T., Grathwohl, P., Joosten, H., Kamoni, P. T., Kilhara, J., Krawczynski, R., La Scala Jr., N., Lemanceau, P., Li, L., Li, Z., Lugato, E., Maron, P-A., Martius, C., Melillo, J., Montanarella, L., Nikolaidis, N., Nziguheba, G., Pan, G., Pascual, U., Paustian, K., Pineiro, G., Powlson, D. S., Quiroga, A., Richter, D., Sigwalt, A., Six, J., Smith, J., Smith, P., Stocking, M., Tanneberger, F., Termansen, M., Van Noordwijk, M., Van Wesemael, B., Vargas, R., Victoria, R. L., Waswa, B., Werner, D., Whichmann, S., Witchtmann, W., Zhang, X., Zhao, Y., Zheng, J. and Zheng, J. 2015. Soil carbon, multiple benefits. Environmental Development. 13, pp. 33-38. https://doi.org/10.1016/j.envdev.2014.11.005

Critical soil phosphate for combinable crops in Southern Britain

C1 - Edited contributions to conferences/learned societies

Morris, N., Knight, S., Poulton, P. R., Johnston, A. E. and Goulding, K. W. T. 2014. Critical soil phosphate for combinable crops in Southern Britain. Crop production in Southern Britain: precision decisions for profitable cropping. Aspects of Applied Biology 127 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 181-187

Changing concepts for the efficient use of phosphorus in agriculture

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 2014. Changing concepts for the efficient use of phosphorus in agriculture. International Fertiliser Society Proceedings 757. International Fertiliser Society (IFS). pp. 49pp

The efficient use of phosphorus in agriculture

G - Articles in popular magazines and other technical publications

Johnston, A. E., Fixen, P. and Poulton, P. R. 2014. The efficient use of phosphorus in agriculture. Better Crops with Plant Food. 98 (4), pp. 22-24.

Triaxial testing to determine the effect of soil type and organic carbon content on soil consolidation and shear deformation characteristics

A - Papers appearing in refereed journals

Chakraborty, D., Watts, C. W., Powlson, D. S., Macdonald, A. J., Ashton, R. W., White, Robin P. and Whalley, W. R. 2014. Triaxial testing to determine the effect of soil type and organic carbon content on soil consolidation and shear deformation characteristics. Soil Science Society of America Journal. 78, pp. 1192-1200. https://doi.org/10.2136/sssaj2014.01.0007

Contribution of improved nitrogen fertilizer use to development of a low carbon economy in China

G - Articles in popular magazines and other technical publications

Powlson, D. S., Norse, D., Chadwick, D. R., Lu, Y., Zhang, W., Zhang, F., Huang, J. and Jia, X. 2014. Contribution of improved nitrogen fertilizer use to development of a low carbon economy in China. World Agriculture. 4 (2), pp. 10-18.

Limited potential of no-till agriculture for climate change mitigation

A - Papers appearing in refereed journals

Powlson, D. S., Stirling, C. M., Jat, M. L., Gerard, B. G., Palm, C. A., Sanchez, P. A. and Cassman, K. G. 2014. Limited potential of no-till agriculture for climate change mitigation. Nature Climate Change. 4 (8), pp. 678-683. https://doi.org/10.1038/nclimate2292

Identification of critical soil phosphate (P) levels for cereal and oilseed rape crops on a range of soil types (Final Project Summary)

D1 - Technical reports: non-confidential

Knight, S., Morris, N., Goulding, K. W. T., Johnston, A. E., Poulton, P. R. and Philpott, H. 2014. Identification of critical soil phosphate (P) levels for cereal and oilseed rape crops on a range of soil types (Final Project Summary). HGCA/AHDB, Stoneleigh.

Identification of critical soil phosphate (P) levels for cereal and oilseed rape crops on a range of soil types (HGCA Project Report No. 529)

D1 - Technical reports: non-confidential

Knight, S., Morris, N., Goulding, K. W. T., Johnston, A. E., Poulton, P. R. and Philpott, H. 2014. Identification of critical soil phosphate (P) levels for cereal and oilseed rape crops on a range of soil types (HGCA Project Report No. 529). HGCA/AHDB, Stoneleigh.

Phosphorus: its efficient use in agriculture

B - Book chapters etc edited externally

Johnston, A. E., Poulton, P. R., Fixen, P. E. and Curtin, D. 2014. Phosphorus: its efficient use in agriculture. in: Sparks, D. L. (ed.) Advances in Agronomy Vol.123 Elsevier.

The continuing value of long-term field experiments: insights for achieving food security and environmental integrity

B - Book chapters etc edited externally

Powlson, D. S., Macdonald, A. J. and Poulton, P. R. 2014. The continuing value of long-term field experiments: insights for achieving food security and environmental integrity. in: Dent, D. (ed.) Soil as world heritage Springer, Dordrecht. pp. 131-157

Free and intra-aggregate organic matter as indicators of soil quality change in volcanic soils under contrasting crop rotations

A - Papers appearing in refereed journals

Zagal, E., Cordova, C., Sohi, S. P. and Powlson, D. S. 2013. Free and intra-aggregate organic matter as indicators of soil quality change in volcanic soils under contrasting crop rotations. Soil Use and Management. 29 (4), pp. 531-539. https://doi.org/10.1111/sum.12070

Critical soil phosphate levels for cereal and oilseed rape crop rotations

G - Articles in popular magazines and other technical publications

Morris, N., Knight, S., Johnston, A. E., Poulton, P. R. and Goulding, K. W. T. 2013. Critical soil phosphate levels for cereal and oilseed rape crop rotations. Landmark. 16, pp. 7-9. https://doi.org/NONE

New technologies reduce greenhouse gas emissions from nitrogenous fertilizer in China

A - Papers appearing in refereed journals

Zhang, W-F., Dou, Z-X., He, P., Ju, X-T., Powlson, D. S., Chadwick, D. R., Norse, D., Lu, Y-L., Zhang, Y., Wu, Liang, Chen, X-P., Cassman, K. G. and Zhang, F-S. 2013. New technologies reduce greenhouse gas emissions from nitrogenous fertilizer in China. Proceedings of the National Academy of Sciences. 110 (21), pp. 8375-8380. https://doi.org/10.1073/pnas.1210447110

Plant-available soil phosphorus. Part I: the response of winter wheat and spring barley to Olsen P on a silty clay loam

A - Papers appearing in refereed journals

Poulton, P. R., Johnston, A. E. and White, Robin P. 2013. Plant-available soil phosphorus. Part I: the response of winter wheat and spring barley to Olsen P on a silty clay loam. Soil Use and Management. 29 (1), pp. 4-11. https://doi.org/10.1111/j.1475-2743.2012.00450.x

Organic farming gives no climate change benefit through soil carbon sequestration

A - Papers appearing in refereed journals

Leifeld, J., Angers, D. A., Chenu, C., Fuhrer, J., Katterer, T. and Powlson, D. S. 2013. Organic farming gives no climate change benefit through soil carbon sequestration. Proceedings of the National Academy of Sciences. 110, p. E984. https://doi.org/10.1073/pnas.1220724110

Plant-available soil phosphorus. Part II: the response of arable crops to Olsen P on a sandy clay loam and a silty clay loam

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and White, Robin P. 2013. Plant-available soil phosphorus. Part II: the response of arable crops to Olsen P on a sandy clay loam and a silty clay loam. Soil Use and Management. 29 (1), pp. 12-21. https://doi.org/10.1111/j.1475-2743.2012.00449.x

Soil organic matter

B - Book chapters etc edited externally

Powlson, D. S., Smith, P. and De Nobili, M. 2013. Soil organic matter. in: Nortcliff, S. and Gregory, P. J. (ed.) Soil conditions and plant growth, 12th ed. Blackwell Publishing Oxford. pp. 86-131

Case study: Reducing the environmental impacts of excessive nitrogen fertiliser use in China

D1 - Technical reports: non-confidential

Powlson, D. S. 2013. Case study: Reducing the environmental impacts of excessive nitrogen fertiliser use in China. Centre for Ecology & Hydrology (CEH), Edinburgh .

Letter to the editors of Nutrient Cycling in Agroecosystems

G - Articles in popular magazines and other technical publications

Johnston, A. E. and Curtin, D. 2012. Letter to the editors of Nutrient Cycling in Agroecosystems. Nutrient Cycling in Agroecosystems. 93, pp. 245-248. https://doi.org/10.1007/s10705-012-9508-y

Nutrient management in support of environmental and agricultural sustainability

A - Papers appearing in refereed journals

Whitmore, A. P., Goulding, K. W. T., Glendining, M. J., Dailey, A. G., Coleman, K. and Powlson, D. S. 2012. Nutrient management in support of environmental and agricultural sustainability. Sustainability. 4 (10), pp. 2513-2524. https://doi.org/10.3390/su4102513

Carbon sequestration in soils - has the concept been over-sold?

C2 - Non-edited contributions to conferences

Powlson, D. S., Whitmore, A. P. and Goulding, K. W. T. 2012. Carbon sequestration in soils - has the concept been over-sold? Abstracts BSSS Annual Meeting: Soil Science and Food Security, Loughborough, 4-5 September 2012 .

Carbon sequestration in soils - has the concept been over-sold?

C2 - Non-edited contributions to conferences

Powlson, D. S. 2012. Carbon sequestration in soils - has the concept been over-sold? Abstracts Bioforsk-konferansen 2012, Oslo, 6-7 February 2012 .

Unexpected treasures from the Rothamsted experiments: how long term studies continue to give new data and insights for the improvement of food and feed production

C2 - Non-edited contributions to conferences

Powlson, D. S., Macdonald, A. J. and Poulton, P. R. 2012. Unexpected treasures from the Rothamsted experiments: how long term studies continue to give new data and insights for the improvement of food and feed production. Abstracts Bioforsk-konferansen 2012, Oslo, 6-7 February 2012 .

Overuse of nitrogen: insights from the Chinese experience

C2 - Non-edited contributions to conferences

Norse, D., Powlson, D. S., Zhang, F., Zhang, W., Huang, J., Chadwick, D. R. and Lu, Y. 2012. Overuse of nitrogen: insights from the Chinese experience. Abstracts Plant under Pressure 2012: New Knowledge Towards Solutions, London, 26-29 March 2012 .

Towards and integrated global framework to assess the impacts of land use and management change on soil carbon: current capability and future vision

A - Papers appearing in refereed journals

Smith, P., Davies, C. A., Ogle, S., Zanchi, G., Bellarby, J., Bird, N., Boddey, R. M., Mcnamara, N. P., Powlson, D. S., Cowie, A., Van Noordwijk, M., Davis, S. C., Richter, D. De B., Kryzanowski, L., Van Wijk, M. T., Stuart, J., Kirton, A., Eggar, D., Newton-Cross, G., Adhya, T. K. and Braimoh, A. K. 2012. Towards and integrated global framework to assess the impacts of land use and management change on soil carbon: current capability and future vision. Global Change Biology. 18 (7), pp. 2089-2101. https://doi.org/10.1111/j.1365-2486.2012.02689.x

Integrated nutrient management as a key contributor to China's low-carbon agriculture

B - Book chapters etc edited externally

Norse, D., Powlson, D. S. and Lu, Y. 2012. Integrated nutrient management as a key contributor to China's low-carbon agriculture. in: Wollenberg, E., Grieg-Gran, M., Tapio-Bistrom, M-L. and Nihart, A. (ed.) Climate change mitigation in agriculture Earthscan Publications Ltd. pp. 347-359

Nitrous oxide emissions from vegetables grown in a polytunnel treated with high rates of applied nitrogen fertilizers in Southern China

A - Papers appearing in refereed journals

Min, J., Shi, W., Xing, G., Powlson, D. S. and Zhu, Z. 2012. Nitrous oxide emissions from vegetables grown in a polytunnel treated with high rates of applied nitrogen fertilizers in Southern China. Soil Use and Management. 28 (1), pp. 70-77. https://doi.org/10.1111/j.1475-2743.2011.00377.x

Sustaining China's agriculture in a changing climate

B - Book chapters etc edited externally

Lu, Y., Powlson, D. S., Norse, D., Chadwick, D., Conway, D., Ford-Lloyd, B., Maxted, N., Smith, P. and Wheeler, T. 2012. Sustaining China's agriculture in a changing climate. in: Wollenberg, E., Grieg-Gran, M., Tapio-Bistrom, M-L. and Nihart, A. (ed.) Climate change mitigation in agriculture Earthscan Publications Ltd. pp. 203-214

Testing the distinctness of shoot ionomes of angiosperm families using the Rothamsted Park Grass Continuous Hay Experiment

A - Papers appearing in refereed journals

White, P. J., Broadley, M. R., Thompson, J. A., Mcnicol, J. W., Crawley, M. J., Poulton, P. R. and Johnston, A. E. 2012. Testing the distinctness of shoot ionomes of angiosperm families using the Rothamsted Park Grass Continuous Hay Experiment. New Phytologist. 196 (1), pp. 101-109. https://doi.org/10.1111/j.1469-8137.2012.04228.x

The potential to increase soil carbon stocks through reduced tillage or organic material additions in England and Wales: a case study

A - Papers appearing in refereed journals

Powlson, D. S., Bhogal, A., Chambers, B. J., Coleman, K., Macdonald, A. J., Goulding, K. W. T. and Whitmore, A. P. 2012. The potential to increase soil carbon stocks through reduced tillage or organic material additions in England and Wales: a case study. Agriculture, Ecosystems & Environment. 146, pp. 23-33. https://doi.org/10.1016/j.agee.2011.10.004

David Stewart Jenkinson FRS: 25th February 1928–16th February 2011

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Brookes, P. C. 2012. David Stewart Jenkinson FRS: 25th February 1928–16th February 2011. Soil Biology and Biochemistry. 44, pp. 152-156. https://doi.org/10.1016/j.soilbio.2011.11.001

Effects of N fertilizers and liming on the micro-scale distribution of soil methane assimilation in the long-term Park Grass experiment at Rothamsted

A - Papers appearing in refereed journals

Stiehl-Braun, P. A., Powlson, D. S., Poulton, P. R. and Niklaus, P. A. 2011. Effects of N fertilizers and liming on the micro-scale distribution of soil methane assimilation in the long-term Park Grass experiment at Rothamsted. Soil Biology and Biochemistry. 43, pp. 1034-1041. https://doi.org/10.1016/j.soilbio.2011.01.020

Greenhouse gas emissions associated with nitrogen fertiliser - lessons from a situation of nitrogen excess in China

C2 - Non-edited contributions to conferences

Powlson, D. S., Zhang, F., Zhang, W., Huang, J., Chadwick, D. R., Lu, Y. and Norse, D. 2011. Greenhouse gas emissions associated with nitrogen fertiliser - lessons from a situation of nitrogen excess in China. Abstracts Royal Society Meeting on Reducing Greenhouse Gas Emissions from Agriculture, London, 28 February-1 March 2011 .

Response of cereals to soil and fertilizer phosphorus (HGCA Research Review No. 74)

D1 - Technical reports: non-confidential

Johnston, A. E. and Poulton, P. R. 2011. Response of cereals to soil and fertilizer phosphorus (HGCA Research Review No. 74). Home Grown Cereals Authority (HGCA) Stoneleigh.

Obituary: David Jenkinson

G - Articles in popular magazines and other technical publications

De Nobili, M., Powlson, D. S. and Brookes, P. C. 2011. Obituary: David Jenkinson. Biology And Fertility Of Soils. 47, p. 605. https://doi.org/10.1007/s00374-011-0572-2

Is nitrate in drinking water a threat to human health?

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Van Kessel, C. 2011. Is nitrate in drinking water a threat to human health? CSA News. March 2011, pp. 20-21.

Impact of land management practices on high-affinity methanotrophic bacterial populations: evidence from long-term sites at Rothamsted

A - Papers appearing in refereed journals

Maxfield, P. J., Brennand, E. L., Powlson, D. S. and Evershed, R. P. 2011. Impact of land management practices on high-affinity methanotrophic bacterial populations: evidence from long-term sites at Rothamsted. European Journal of Soil Science. 62 (1), pp. 56-68. https://doi.org/10.1111/j.1365-2389.2010.01339.x

Soil management in relation to sustainable agriculture and ecosystem services

A - Papers appearing in refereed journals

Powlson, D. S., Gregory, P. J., Whalley, W. R., Quinton, J. N., Hopkins, D. W., Whitmore, A. P., Hirsch, P. R. and Goulding, K. W. T. 2011. Soil management in relation to sustainable agriculture and ecosystem services. Food Policy. 36, pp. S72-S87. https://doi.org/10.1016/j.foodpol.2010.11.025

Soil organic matters

A - Papers appearing in refereed journals

Powlson, D. S., Brookes, P. C., Whitmore, A. P., Goulding, K. W. T. and Hopkins, D. W. 2011. Soil organic matters. European Journal of Soil Science. 62 (1), pp. 1-4. https://doi.org/10.1111/j.1365-2389.2010.01338.x

Implications for soil properties of removing cereal straw: results from long-term studies

A - Papers appearing in refereed journals

Powlson, D. S., Glendining, M. J., Coleman, K. and Whitmore, A. P. 2011. Implications for soil properties of removing cereal straw: results from long-term studies. Agronomy Journal. 103, pp. 279-287. https://doi.org/10.2134/agronj2010.0146s

Soil carbon sequestration to mitigate climate change: a critical re-examination to identify the true and the false

A - Papers appearing in refereed journals

Powlson, D. S., Whitmore, A. P. and Goulding, K. W. T. 2011. Soil carbon sequestration to mitigate climate change: a critical re-examination to identify the true and the false. European Journal of Soil Science. 62 (1), pp. 42-55. https://doi.org/10.1111/j.1365-2389.2010.01342.x

Pedotransfer functions for estimating total soil nitrogen up to the global scale

A - Papers appearing in refereed journals

Glendining, M. J., Dailey, A. G., Powlson, D. S., Richter, G. M., Catt, J. A. and Whitmore, A. P. 2011. Pedotransfer functions for estimating total soil nitrogen up to the global scale. European Journal of Soil Science. 62 (1), pp. 13-22. https://doi.org/10.1111/j.1365-2389.2010.01336.x

Effect of sugarcane harvesting systems on soil carbon stocks in Brazil: an examination of existing data

A - Papers appearing in refereed journals

Cerri, C. C., Galdos, M. V., Maia, S. M. F., Bernoux, M., Feigl, B. J., Powlson, D. S. and Cerri, C. E. P. 2011. Effect of sugarcane harvesting systems on soil carbon stocks in Brazil: an examination of existing data. European Journal of Soil Science. 62 (1), pp. 23-28. https://doi.org/10.1111/j.1365-2389.2010.01315.x

Effect of soil pH on the chemical composition of organic matter in physically separated soil fractions in two broadleaf woodland sites at Rothamsted, UK

A - Papers appearing in refereed journals

Tonon, G., Sohi, S., Francioso, O., Ferrari, E., Montecchio, D., Gioacchini, P., Ciavatta, C., Panzacchi, P. and Powlson, D. S. 2010. Effect of soil pH on the chemical composition of organic matter in physically separated soil fractions in two broadleaf woodland sites at Rothamsted, UK. European Journal of Soil Science. 61 (6), pp. 970-979. https://doi.org/10.1111/j.1365-2389.2010.01310.x

Soil carbon sequestration for mitigating climate change: distinguishing the genuine from the imaginary

B - Book chapters etc edited externally

Powlson, D. S., Whitmore, A. P. and Goulding, K. W. T. 2010. Soil carbon sequestration for mitigating climate change: distinguishing the genuine from the imaginary. in: Hillel, D. and Rosenzweig, C. (ed.) Handbook of climate change and agroecosystems Imperial College Press, London. pp. 393-402

Nitrate accumulation in soil profiles under seasonally open 'sunlight greenhouses' in northwest China and potential for leaching loss during summer fallow

A - Papers appearing in refereed journals

Zhou, J-B., Chen, Z-J., Liu, X-J., Zhai, B-N. and Powlson, D. S. 2010. Nitrate accumulation in soil profiles under seasonally open 'sunlight greenhouses' in northwest China and potential for leaching loss during summer fallow. Soil Use and Management. 26 (3), pp. 332-339. https://doi.org/10.1111/j.1475-2743.2010.00284.x

Reply to additional comments on 'Synthetic nitrogen fertilizers deplete soil nitrogen: a global dilemma for sustainable cereal production,' by R.L. Mulvaney, S.A. Khan and T.R. Ellsworth in the Journal of Environmental Quality 2009 38: 2295-2314

A - Papers appearing in refereed journals

Powlson, D. S., Jenkinson, D. S., Johnston, A. E., Poulton, P. R., Glendining, M. J. and Goulding, K. W. T. 2010. Reply to additional comments on 'Synthetic nitrogen fertilizers deplete soil nitrogen: a global dilemma for sustainable cereal production,' by R.L. Mulvaney, S.A. Khan and T.R. Ellsworth in the Journal of Environmental Quality 2009 38: 2295-2314. Journal of Environmental Quality. 39, pp. 1528-1529. https://doi.org/10.2134/jeq2010.0004le

Comments on 'Synthetic nitrogen fertilizers deplete soil nitrogen: a global dilemma for sustainable cereal production', by R.L. Mulvaney, S.A. Khan and T.R. Ellsworth in the Journal of Environmental Quality 2009 38: 2295-2314

A - Papers appearing in refereed journals

Powlson, D. S., Jenkinson, D. S., Johnston, A. E., Poulton, P. R., Glendining, M. J. and Goulding, K. W. T. 2010. Comments on 'Synthetic nitrogen fertilizers deplete soil nitrogen: a global dilemma for sustainable cereal production', by R.L. Mulvaney, S.A. Khan and T.R. Ellsworth in the Journal of Environmental Quality 2009 38: 2295-2314. Journal of Environmental Quality. 39, pp. 749-752. https://doi.org/10.2134/jeq2010.0001le

Multiseason recoveries of organic and inorganic nitrogen-15 in tropical cropping systems

A - Papers appearing in refereed journals

Dourado-Neto, D., Powlson, D. S., Abu Bakar, R., Bacchi, O. O. S., Basanta, M. V., Thi Cong, P., Keerthisinghe, G., Ismaili, M., Rahman, S. M., Reichardt, K., Safwat, M. S. A., Sangakkara, R., Timm, L. C., Wang, J. Y., Zagal, E. and Van Kessel, C. 2010. Multiseason recoveries of organic and inorganic nitrogen-15 in tropical cropping systems. Soil Science Society of America Journal. 74, pp. 139-152. https://doi.org/10.2136/sssaj2009.0192

Long-term Fertilizer Experiment Network in China: crop yields and soil nutrient trends

A - Papers appearing in refereed journals

Zhao, B-Q., Li, X-Y., Li, X-P., Shi, X-J., Huang, S-M., Wang, B-R., Zhu, P., Yang, X-Y., Liu, H., Chen, Y., Poulton, P. R., Powlson, D. S., Todd, A. D. and Payne, R. W. 2010. Long-term Fertilizer Experiment Network in China: crop yields and soil nutrient trends. Agronomy Journal. 102, pp. 216-230. https://doi.org/10.2134/agronj2009.0182

Potential for soil carbon sequestration, but with a full greenhouse gas budget

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., Powlson, D. S. and Whitmore, A. P. 2009. Potential for soil carbon sequestration, but with a full greenhouse gas budget. Currie, L. D. and Lindsay, C. L. (ed.) Nutrient Management in a Rapidly Changing World: Proceedings 22nd Annual Workshop of the Fertilizer and Lime Research Centre Massey University, Palmerston North, 11-12 February 2009. . Fertilizer and Lime Research Centre, Massey University. pp. 7-15

Potassium and nitrogen interactions in crop production (Translation into Polish of Proceedings of the International Fertiliser Society No. 615)

C1 - Edited contributions to conferences/learned societies

Milford, G. F. J. and Johnston, A. E. 2009. Potassium and nitrogen interactions in crop production (Translation into Polish of Proceedings of the International Fertiliser Society No. 615).

Potassium, magnesium and soil fertility: long term experimental evidence (Translation into Polish of Proceedings of the International Fertiliser Society No. 613)

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 2009. Potassium, magnesium and soil fertility: long term experimental evidence (Translation into Polish of Proceedings of the International Fertiliser Society No. 613).

Nitrogen in agriculture: an overview and definitions of nitrogen use efficiency (Proceedings of the International Fertiliser Society No 651)

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 2009. Nitrogen in agriculture: an overview and definitions of nitrogen use efficiency (Proceedings of the International Fertiliser Society No 651). International Fertiliser Society (IFS). pp. 48pp

A new approach to assessing phosphorus use efficiency in agriculture

G - Articles in popular magazines and other technical publications

Johnston, A. E. and Syers, J. K. 2009. A new approach to assessing phosphorus use efficiency in agriculture. Better Crops with Plant Food. 93(3), pp. 14-16.

Soil organic matter: its importance in sustainable agriculture and carbon dioxide fluxes

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and Coleman, K. 2009. Soil organic matter: its importance in sustainable agriculture and carbon dioxide fluxes. Advances in Agronomy. 101, pp. 1-57. https://doi.org/10.1016/S0065-2113(08)00801-8

Resource or waste: the reality of nutrient recycling to land

A - Papers appearing in refereed journals

Johnston, A. E. 2008. Resource or waste: the reality of nutrient recycling to land . Proceedings of the International Fertiliser Society. 630.

Soil and fertilizer phosphorus in relation to crop nutrition

B - Book chapters etc edited externally

Kirkby, E. A. and Johnston, A. E. 2008. Soil and fertilizer phosphorus in relation to crop nutrition. in: White, P. J. and Hammond, J. P. (ed.) Ecophysiology of plant-phosphorus interactions Springer, New York. pp. 177-223

Long-term experiments as a unique resource for research on local and global carbon cycling

C1 - Edited contributions to conferences/learned societies

Powlson, D. S., Poulton, P. R. and Macdonald, A. J. 2008. Long-term experiments as a unique resource for research on local and global carbon cycling. Christensen, B. T., Schacht, M. and Petersen, J. (ed.) Long-term Field Experiments - a Unique Research Platform. Proceedings of NJF Seminar 407, Askov, 16-18 June 2008. DJF Plant Science No. 137 . pp. 20-23

Wetting of agricultural soil measured by a simplified capillary rise technique

A - Papers appearing in refereed journals

Matthews, G. P., Watts, C. W., Powlson, D. S., Price, J. C. and Whalley, W. R. 2008. Wetting of agricultural soil measured by a simplified capillary rise technique. European Journal of Soil Science. 59 (4), pp. 817-823. https://doi.org/10.1111/j.1365-2389.2008.01039.x

Is UK biofuel supply from Miscanthus water-limited?

A - Papers appearing in refereed journals

Richter, G. M., Riche, A. B., Dailey, A. G., Gezan, S. A. and Powlson, D. S. 2008. Is UK biofuel supply from Miscanthus water-limited? Soil Use and Management. 24 (3), pp. 235-245. https://doi.org/10.1111/j.1475-2743.2008.00156.x

Efficiency of soil and fertilizer phosphorus use: reconciling changing concepts of soil phosphorus behaviour with agronomic information (FAO Fertilizer and Plant Nutrition Bulletin 18)

E - Books edited/written by staff member, alone/with others

Syers, J. K., Johnston, A. E. and Curtin, D. 2008. Efficiency of soil and fertilizer phosphorus use: reconciling changing concepts of soil phosphorus behaviour with agronomic information (FAO Fertilizer and Plant Nutrition Bulletin 18). Food and Agriculture Organization of the United Nations (FAO), Rome, Italy.

When does nitrate become a risk for humans?

A - Papers appearing in refereed journals

Powlson, D. S., Addiscott, T. M., Benjamin, N., Cassman, K. G., De Kok, T. M., Van Grinsven, H., L'hirondel, J-L., Avery, A. A. and Van Kessel, C. 2008. When does nitrate become a risk for humans? Journal of Environmental Quality. 37, pp. 291-295. https://doi.org/10.2134/jeq2007.0177

Carbon sequestration in European soils through straw incorporation: limitations and alternatives

A - Papers appearing in refereed journals

Powlson, D. S., Riche, A. B., Coleman, K., Glendining, M. J. and Whitmore, A. P. 2008. Carbon sequestration in European soils through straw incorporation: limitations and alternatives. Waste Management. 28, pp. 741-746. https://doi.org/10.1016/j.wasman.2007.09.024

Climate change genes

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Fusuo, Z. 2008. Climate change genes. New Scientist. 197(2640), p. 24.

Potassium and nitrogen interactions in crop production

A - Papers appearing in refereed journals

Milford, G. F. J. and Johnston, A. E. 2007. Potassium and nitrogen interactions in crop production. Proceedings of the International Fertiliser Society. 615.

Biomass supply for the UK energy market - modelling grass productivity

C2 - Non-edited contributions to conferences

Richter, G. M., Riche, A. B., Dailey, A. G. and Powlson, D. S. 2007. Biomass supply for the UK energy market - modelling grass productivity. Abstracts 2nd International Energy Farming Congress, Papenburg, 13-15 March 2007 .

The Rothamsted long-term experiments - past, present and future

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Powlson, D. S. and Goulding, K. W. T. 2007. The Rothamsted long-term experiments - past, present and future. Abstracts International Conference on Long-Term Ecological Research (ILTER), Beijing, 20-21 August 2007 .

An increased understanding of soil organic carbon stocks and changes in non-temperate areas: national and global implications

A - Papers appearing in refereed journals

Milne, E., Paustian, K., Easter, M., Sessay, M., Al-Adamat, R., Batjes, N. H., Bernoux, M., Bhattacharyya, T., Cerri, C. C., Cerri, C. E. P., Coleman, K., Falloon, P., Feller, C., Gicheru, P., Kamoni, P., Killian, K., Pal, D. K., Powlson, D. S., Williams, S. and Rawajfih, Z. 2007. An increased understanding of soil organic carbon stocks and changes in non-temperate areas: national and global implications. Agriculture, Ecosystems & Environment. 122, pp. 125-136. https://doi.org/10.1016/j.agee.2007.01.012

National and sub-national assessments of soil organic carbon stocks and changes: the GEFSOC modelling system

A - Papers appearing in refereed journals

Milne, E., Al Adamat, R., Batjes, N. H., Bernoux, M., Bhattacharyya, T., Cerri, C. C., Cerri, C. E. P., Coleman, K., Easter, M., Falloon, P., Feller, C., Gicheru, P., Kamoni, P., Killian, K., Pal, D. K., Paustian, K., Powlson, D. S., Rawajfih, Z., Sessay, M., Williams, S. and Wokabi, S. 2007. National and sub-national assessments of soil organic carbon stocks and changes: the GEFSOC modelling system. Agriculture, Ecosystems & Environment. 122, pp. 3-12. https://doi.org/10.1016/j.agee.2007.01.002

Soil carbon stocks at regional scales

G - Articles in popular magazines and other technical publications

Milne, E., Powlson, D. S. and Cerri, C. E. 2007. Soil carbon stocks at regional scales. Agriculture, Ecosystems & Environment. 122 (1), pp. 1-2. https://doi.org/10.1016/j.agee.2007.01.001

The GEFSOC soil carbon modelling system: a tool for conducting regional-scale soil carbon inventories and assessing the impacts of land use change on soil carbon

A - Papers appearing in refereed journals

Easter, M., Paustian, K., Killian, K., Williams, S., Feng, T., Al-Adamat, R., Batjes, N. H., Bernoux, M., Bhattacharyya, T., Cerri, C. C., Cerri, C. E. P., Coleman, K., Falloon, P., Feller, C., Gicheru, P., Kamoni, P., Milne, E., Pal, D. K., Powlson, D. S., Rawajfih, Z., Sessay, M. and Wokabi, S. 2007. The GEFSOC soil carbon modelling system: a tool for conducting regional-scale soil carbon inventories and assessing the impacts of land use change on soil carbon. Agriculture, Ecosystems & Environment. 122, pp. 13-25. https://doi.org/10.1016/j.agee.2007.01.004

Predicted soil organic carbon stocks and changes in the Brazilian Amazon between 2000 and 2030

A - Papers appearing in refereed journals

Cerri, C. E. P., Easter, M., Paustian, K., Killian, K., Coleman, K., Bernoux, M., Falloon, P., Powlson, D. S., Batjes, N. H., Milne, E. and Cerri, C. C. 2007. Predicted soil organic carbon stocks and changes in the Brazilian Amazon between 2000 and 2030. Agriculture, Ecosystems & Environment. 122, pp. 58-72. https://doi.org/10.1016/j.agee.2007.01.008

Simulating SOC changes in 11 land use change chronosequences from the Brazilian Amazon with RothC and Century models

A - Papers appearing in refereed journals

Cerri, C. E. P., Easter, M., Paustian, K., Killian, K., Coleman, K., Bernoux, M., Falloon, P., Powlson, D. S., Batjes, N., Milne, E. and Cerri, C. C. 2007. Simulating SOC changes in 11 land use change chronosequences from the Brazilian Amazon with RothC and Century models. Agriculture, Ecosystems & Environment. 122, pp. 46-57. https://doi.org/10.1016/j.agee.2007.01.007

Modelled soil organic carbon stocks and changes in the Indo-Gangetic Plains, India from 1980 to 2030

A - Papers appearing in refereed journals

Bhattacharyya, T., Pal, D. K., Easter, M., Batjes, N. H., Milne, E., Gajbhiye, K. S., Chandran, P., Ray, S. K., Mandal, C., Paustian, K., Williams, S., Killian, K., Coleman, K., Falloon, P. and Powlson, D. S. 2007. Modelled soil organic carbon stocks and changes in the Indo-Gangetic Plains, India from 1980 to 2030. Agriculture, Ecosystems & Environment. 122, pp. 84-94. https://doi.org/10.1016/j.agee.2007.01.010

Evaluating the Century C model using long-term fertilizer trials in the Indo-Gangetic Plains, India

A - Papers appearing in refereed journals

Bhattacharyya, T., Pal, D. K., Easter, M., Williams, S., Paustian, K., Milne, E., Chandran, P., Ray, S. K., Mandal, C., Coleman, K., Falloon, P., Powlson, D. S. and Gajbhiye, K. S. 2007. Evaluating the Century C model using long-term fertilizer trials in the Indo-Gangetic Plains, India. Agriculture, Ecosystems & Environment. 122, pp. 73-83. https://doi.org/10.1016/j.agee.2007.01.009

Predicted soil organic carbon stocks and changes in Jordan between 2000 and 2030 made using GEFSOC Modelling System

A - Papers appearing in refereed journals

Al-Adamat, R., Rawajfih, Z., Easter, M., Paustian, K., Coleman, K., Milne, E., Falloon, P., Powlson, D. S. and Batjes, N. H. 2007. Predicted soil organic carbon stocks and changes in Jordan between 2000 and 2030 made using GEFSOC Modelling System. Agriculture, Ecosystems & Environment. 122, pp. 35-45. https://doi.org/10.1016/j.agee.2007.01.006

Long-term soil experiments: keys to managing earth's rapidly changing ecosystems

A - Papers appearing in refereed journals

Richter, D. Deb., Hofmockel, M., Callaham, M. A., Powlson, D. S. and Smith, P. 2007. Long-term soil experiments: keys to managing earth's rapidly changing ecosystems. Soil Science Society of America Journal. 71, pp. 266-279. https://doi.org/10.2136/sssaj2006.0181

Changes in understanding the behaviour of soil and fertiliser phosphorus: implications for their efficient use in agriculture : Paper presented to the International Fertiliser Society at a Conference in Cambridge, 14th December 2006

A - Papers appearing in refereed journals

Johnston, A. E. 2006. Changes in understanding the behaviour of soil and fertiliser phosphorus: implications for their efficient use in agriculture : Paper presented to the International Fertiliser Society at a Conference in Cambridge, 14th December 2006. Proceedings of the International Fertiliser Society. 589.

The role of clay, organic carbon and long-term management on mouldboard plough draught measured on the Broadbalk wheat experiment at Rothamsted

A - Papers appearing in refereed journals

Watts, C. W., Clark, L. J., Poulton, P. R., Powlson, D. S. and Whitmore, A. P. 2006. The role of clay, organic carbon and long-term management on mouldboard plough draught measured on the Broadbalk wheat experiment at Rothamsted. Soil Use and Management. 22 (4), pp. 334-341. https://doi.org/10.1111/j.1475-2743.2006.00054.x

Managing soil organic matter - possibilities and limitations

C1 - Edited contributions to conferences/learned societies

Powlson, D. S., Sohi, S. and Gaunt, J. L. 2006. Managing soil organic matter - possibilities and limitations. Proceedings National Tillage Conference, Carlow, 26 January 2006 . pp. 22-33

Reductions and changing patterns of ambient PCDD/Fs in the UK: evidence and implications

A - Papers appearing in refereed journals

Hassanin, A., Lee, R. G. M., Johnston, A. E. and Jones, K. C. 2006. Reductions and changing patterns of ambient PCDD/Fs in the UK: evidence and implications. Chemosphere. 65, pp. 530-539. https://doi.org/10.1016/j.chemosphere.2006.01.032

The Park Grass Experiment 1856-2006: its contribution to ecology

A - Papers appearing in refereed journals

Silvertown, J., Poulton, P. R., Johnston, A. E., Edwards, G., Heard, M. and Biss, P. M. 2006. The Park Grass Experiment 1856-2006: its contribution to ecology. Journal of Ecology. 94 (4), pp. 801-814. https://doi.org/10.1111/j.1365-2745.2006.01145.x

Blue baby links

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Van Kessel, C. 2006. Blue baby links. New Scientist. 189(2538), p. 24.

Phosphorus nutrition of arable crops

B - Book chapters etc edited externally

Johnston, A. E. 2005. Phosphorus nutrition of arable crops. in: Sims, J. T. and Sharpley, A. N. (ed.) Phosphorus: agriculture and the environment  ACSESS.

Soil organic matter: its importance in sustainable agricultural systems (Proceedings International Fertiliser Society No 565)

A - Papers appearing in refereed journals

Johnston, A. E. and Poulton, P. R. 2005. Soil organic matter: its importance in sustainable agricultural systems (Proceedings International Fertiliser Society No 565). Proceedings of the International Fertiliser Society. 565.

Comparison of haloacetic acids in the environment of the northern and southern hemispheres

A - Papers appearing in refereed journals

Scott, B. F., Spencer, C., Matin, J. W., Barra, R., Bootsma, H. A., Jones, K. C., Johnston, A. E. and Muir, D. C. G. 2005. Comparison of haloacetic acids in the environment of the northern and southern hemispheres. Environmental Science & Technology. 39, pp. 8664-8670.

The chemical composition of measurable soil organic matter pools

A - Papers appearing in refereed journals

Poirier, N., Sohi, S. P., Gaunt, J. L., Mahieu, N., Randall, E. W., Powlson, D. S. and Evershed, R. P. 2005. The chemical composition of measurable soil organic matter pools. Organic Geochemistry. 36, pp. 1174-1189.

Investigating the chemical characteristics of soil organic matter fractions suitable for modeling

A - Papers appearing in refereed journals

Sohi, S. P., Mahieu, N., Powlson, D. S., Madari, B., Smittenberg, R. H. and Gaunt, J. L. 2005. Investigating the chemical characteristics of soil organic matter fractions suitable for modeling. Soil Science Society of America Journal. 69, pp. 1248-1255.

Time trends of atmospheric PBDEs inferred from archived U.K. herbage

A - Papers appearing in refereed journals

Hassanin, A., Johnston, A. E., Thomas, G. O. and Jones, K. C. 2005. Time trends of atmospheric PBDEs inferred from archived U.K. herbage. Environmental Science & Technology. 39, pp. 2436-2441.

The use of cover crops in cereal-based cropping systems to control nitrate leaching in SE England

A - Papers appearing in refereed journals

Macdonald, A. J., Poulton, P. R., Howe, M., Goulding, K. W. T. and Powlson, D. S. 2005. The use of cover crops in cereal-based cropping systems to control nitrate leaching in SE England. Plant and Soil. 273, pp. 355-373. https://doi.org/10.1007/s11104-005-0193-3

The contribution of commercial fertilizer nutrients to food production

A - Papers appearing in refereed journals

Stewart, W. M., Dibb, D. W., Johnston, A. E. and Smyth, T. J. 2005. The contribution of commercial fertilizer nutrients to food production. Agronomy Journal. 97, pp. 1-6.

Biofuels and other approaches for decreasing fossil fuel emissions from agriculture

A - Papers appearing in refereed journals

Powlson, D. S., Riche, A. B. and Shield, I. F. 2005. Biofuels and other approaches for decreasing fossil fuel emissions from agriculture. Annals of Applied Biology - AAB. 146 (2), pp. 193-201. https://doi.org/10.1111/j.1744-7348.2005.040056.x

Determinants of species richness in the Park Grass Experiment

A - Papers appearing in refereed journals

Crawley, M. J., Johnston, A. E., Silvertown, J., Dodd, M., De Mazancourt, C., Heard, M. S., Henman, D. F. and Edwards, G. R. 2005. Determinants of species richness in the Park Grass Experiment. The American Naturalist. 165 (2), pp. 179-192. https://doi.org/10.1086/427270

Climatology: Will soil amplify climate change?

G - Articles in popular magazines and other technical publications

Powlson, D. S. 2005. Climatology: Will soil amplify climate change? Nature. 433 (7023), pp. 204-205. https://doi.org/10.1038/433204a

The ability of soil to ensure adequate phosphorus nutrition of the crop; the long-term trials at Rothamsted

C2 - Non-edited contributions to conferences

Johnston, A. E. and Poulton, P. R. 2005. The ability of soil to ensure adequate phosphorus nutrition of the crop; the long-term trials at Rothamsted. Abstracts Plantekongres 2005, Herning, Denmark, 11-12 January 2005 . pp. 218-219

Global climate change and soil carbon stocks; predictions from two contrasting models for the turnover of organic carbon in soil

A - Papers appearing in refereed journals

Jones, C., Mcconnell, C., Coleman, K., Cox, P., Falloon, P., Jenkinson, D. S. and Powlson, D. S. 2005. Global climate change and soil carbon stocks; predictions from two contrasting models for the turnover of organic carbon in soil. Global Change Biology. 11 (1), pp. 154-166. https://doi.org/10.1111/j.1365-2486.2004.00885.x

Encyclopedia of soils in the environment, 4 vols

B - Book chapters etc edited externally

Hillel, D., Hatfield, J. L., Powlson, D. S., Rosenzweig, C., Scow, K. M. and Singer, M. J. 2005. Encyclopedia of soils in the environment, 4 vols. in: Sparks, D. L. (ed.) Elsevier Academic Press, Amsterdam. pp. 2200pp

Lawes, John Bennet and Gilbert, Joseph Henry

G - Articles in popular magazines and other technical publications

Johnston, A. E. 2005. Lawes, John Bennet and Gilbert, Joseph Henry.

Micronutrients in soil and agrosystems: occurrence and availability.

A - Papers appearing in refereed journals

Johnston, A. E. 2004. Micronutrients in soil and agrosystems: occurrence and availability. Proceedings of the International Fertiliser Society. 544, p. 32pp.

The survival strategy of the soil microbial biomass

C2 - Non-edited contributions to conferences

Brookes, P. C., De Nobili, M., Contin, M., Mondini, C. and Powlson, D. S. 2004. The survival strategy of the soil microbial biomass. Abstracts 49th Annual Meeting of the Crop Science Society of America: Science to Secure Food and the Environment, Seattle, 31 October-4 November 2004 .

Phosphate leaching from soil to water: 150 years of getting it wrong!

C2 - Non-edited contributions to conferences

Brookes, P. C., Fortune, S., Addiscott, T. M. and Powlson, D. S. 2004. Phosphate leaching from soil to water: 150 years of getting it wrong! Abstracts 49th Annual Meeting of the Crop Science Society of America: Science to Secure Food and the Environment, Seattle, 31 October-4 November 2004 .

Introduction: linkages and research priorities

G - Articles in popular magazines and other technical publications

Kirkby, M. and Powlson, D. S. 2004. Introduction: linkages and research priorities. Agriculture, Ecosystems & Environment. 104, pp. 245-247.

Phosphorus and crop nutrition: principles and practice

B - Book chapters etc edited externally

Evans, T. D. and Johnston, A. E. 2004. Phosphorus and crop nutrition: principles and practice. in: Valsami-Jones, E. (ed.) Phosphorus in environmental technology: principles and applications IWA Publishing, London. pp. 93-119

Observations on historical, contemporary, and natural PCDD/Fs

A - Papers appearing in refereed journals

Green, N. J. L., Hassanin, A., Johnston, A. E. and Jones, K. C. 2004. Observations on historical, contemporary, and natural PCDD/Fs. Environmental Science & Technology. 38, pp. 715-723.

Soils as carbon sinks: foreword

G - Articles in popular magazines and other technical publications

Powlson, D. S., Smith, P. and Greenland, D. 2004. Soils as carbon sinks: foreword. Soil Use and Management. 20, pp. 210-211.

Managing field margins for biodiversity and carbon sequestration: a Great Britain case study

A - Papers appearing in refereed journals

Falloon, P. D., Powlson, D. S. and Smith, P. 2004. Managing field margins for biodiversity and carbon sequestration: a Great Britain case study. Soil Use and Management. 20, pp. 240-247.

Soils as carbon sinks (Supplement to Soil Use and Management Vol. 20)

E - Books edited/written by staff member, alone/with others

Powlson, D. S. Smith, P. (ed.) 2004. Soils as carbon sinks (Supplement to Soil Use and Management Vol. 20).

Turnover of nitrogen-15-labeled fertilizer in old grassland

A - Papers appearing in refereed journals

Jenkinson, D. S., Poulton, P. R., Johnston, A. E. and Powlson, D. S. 2004. Turnover of nitrogen-15-labeled fertilizer in old grassland. Soil Science Society of America Journal. 68, pp. 865-875.

Sustainable management of potassium

B - Book chapters etc edited externally

Askegaard, M., Eriksen, J. and Johnston, A. E. 2004. Sustainable management of potassium. in: Christensen, B. T., Schjonning, P. and Elmholt, S. (ed.) Managing soil quality: challenges in modern agriculture CABI International, Wallingford, Oxon (CABI). pp. 85-102

Soil acidity - resilience and thresholds

B - Book chapters etc edited externally

Johnston, A. E. 2004. Soil acidity - resilience and thresholds. in: Christensen, B. T., Schjonning, P. and Elmholt, S. (ed.) Managing soil quality: challenges in modern agriculture CABI International, Wallingford, Oxon (CABI). pp. 35-46

Measuring soil microbial biomass

A - Papers appearing in refereed journals

Jenkinson, D. S., Brookes, P. C. and Powlson, D. S. 2004. Measuring soil microbial biomass. Soil Biology and Biochemistry. 36 (1), pp. 5-7. https://doi.org/10.1016/j.soilbio.2003.10.002

Climate change and soil functions: consequences of inaction and possible mitigations through land management

C2 - Non-edited contributions to conferences

Powlson, D. S., Falloon, P., Coleman, K., Cox, P., Gaunt, J. L., Shield, I. F., Riche, A. B. and Whitmore, A. P. 2003. Climate change and soil functions: consequences of inaction and possible mitigations through land management. Abstracts ASA-CSSA-SSSA Annual Meeting. Changing Sciences for a Changing World: Building a Broader Vision, Denver, 2-6 November 2003 .

La dynamique de l'azote dans le sol: impact des pratiques agricoles

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Powlson, D. S. 2003. La dynamique de l'azote dans le sol: impact des pratiques agricoles. Buson, C. and Toubon, P. (ed.) Gestion des risques sante et environnement. Le cas des nitrates . Institut Scientifique et Technique de l'Environnement, Liffre. pp. 206-216

The influence of straw incorporation and soil type on the losses of soil inorganic nitrogen and its use by winter wheat

D1 - Technical reports: non-confidential

Poulton, P. R., Cracuin, I., Powlson, D. S. and Jenkinson, D. S. 2003. The influence of straw incorporation and soil type on the losses of soil inorganic nitrogen and its use by winter wheat. International Atomic Energy Agency, Vienna.

Sustainability of soil management practices - a global perspective

B - Book chapters etc edited externally

Smith, P. and Powlson, D. S. 2003. Sustainability of soil management practices - a global perspective. in: Murphy, D. V. and Abbott, L. K. (ed.) Soil biological fertility - a key to sustainable land use in agriculture Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 241-254

Climate change and soil functions: consequences of inaction and possible mitigations through land management

C2 - Non-edited contributions to conferences

Powlson, D. S., Falloon, P., Coleman, K., Cox, P., Gaunt, J. L., Shield, I. F. and Whitmore, A. P. 2003. Climate change and soil functions: consequences of inaction and possible mitigations through land management. Abstracts ASA-CSSA-SSSA Annual Meeting. Changing Sciences for a Changing World: Building a Broader Vision, Denver, 2-6 November 2003 .

Understanding potassium and its use in agriculture

G - Articles in popular magazines and other technical publications

Johnston, A. E. 2003. Understanding potassium and its use in agriculture.

Long-term experiments in the 21st century - continuity or change?

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. and Poulton, P. R. 2003. Long-term experiments in the 21st century - continuity or change? Proceedings 22nd Congress of the Nordic Association of Agricultural Scientists, Turku, Finland, 1-4 July 2003 . pp. 375-379

Feed the soil to feed the people: the role of potash in sustainable agriculture. Proceedings of the IPI Golden Jubilee Congress 1952-2002, Basel, 8-10 October 2002. Volume 1. Invited papers

E - Books edited/written by staff member, alone/with others

Johnston, A. E. 2003. Feed the soil to feed the people: the role of potash in sustainable agriculture. Proceedings of the IPI Golden Jubilee Congress 1952-2002, Basel, 8-10 October 2002. Volume 1. Invited papers. Inpernational Potash Institute, Basel.

Changes in soil phosphorus fractions following positive and negative phosphorus balances for long periods

A - Papers appearing in refereed journals

Blake, L., Johnston, A. E., Poulton, P. R. and Goulding, K. W. T. 2003. Changes in soil phosphorus fractions following positive and negative phosphorus balances for long periods. Plant and Soil. 254, pp. 245-261.

Effectiveness of the water-insoluble component of triple superphosphate for yield and phosphorus uptake by plants

A - Papers appearing in refereed journals

Johnston, A. E. and Richards, I. R. 2003. Effectiveness of the water-insoluble component of triple superphosphate for yield and phosphorus uptake by plants. The Journal of Agricultural Science. 140, pp. 267-274. https://doi.org/10.1017/S0021859603002971

Effectiveness of different precipitated phosphates as phosphorus sources for plants

A - Papers appearing in refereed journals

Johnston, A. E. and Richards, I. R. 2003. Effectiveness of different precipitated phosphates as phosphorus sources for plants. Soil Use and Management. 19 (1), pp. 45-49. https://doi.org/10.1079/SUM2002162

Soil analysis: it's interpretation and nutrient management practices

G - Articles in popular magazines and other technical publications

Johnston, A. E. and Hollies, J. 2003. Soil analysis: it's interpretation and nutrient management practices. Potash News. July 2003, p. 12pp.

Soil organic matter and how to change it

C2 - Non-edited contributions to conferences

Gaunt, J. L., Powlson, D. S., Falloon, P. D. and Sohi, S. P. 2002. Soil organic matter and how to change it. Abstracts SCI Meeting on the Draft Soil Protection Strategy: Implications for the Agricultural and Environmental Sectors, London, 12 March 2002 .

Carbon cycling and sequestration opportunities in temperate arable agriculture

C2 - Non-edited contributions to conferences

Falloon, P. D., Smith, P. and Powlson, D. S. 2002. Carbon cycling and sequestration opportunities in temperate arable agriculture. Abstracts BSSS Meeting on Soils as Carbon Sinks: Opportunities and Limitations, Edinburgh, 28 June 2002 .

Possibilities for reducing nitrate leaching from agricultural land

A - Papers appearing in refereed journals

Kirchmann, H., Johnston, A. E. and Bergstrom, L. F. 2002. Possibilities for reducing nitrate leaching from agricultural land. AMBIO: A Journal of the Human Environment. 31, pp. 404-408.

The effect of soil acidity on potentially mobile phosphorus in a grassland soil

A - Papers appearing in refereed journals

Mcdowell, R. W., Brookes, P. C., Mahieu, N., Poulton, P. R., Johnston, A. E. and Sharpley, A. N. 2002. The effect of soil acidity on potentially mobile phosphorus in a grassland soil. The Journal of Agricultural Science. 139 (1), pp. 27-36. https://doi.org/10.1017/S0021859602002307

The fate of residual 15N-labelled fertilizer in arable soils: its availability to subsequent crops and retention in soil

A - Papers appearing in refereed journals

Macdonald, A. J., Poulton, P. R., Stockdale, E. A., Powlson, D. S. and Jenkinson, D. S. 2002. The fate of residual 15N-labelled fertilizer in arable soils: its availability to subsequent crops and retention in soil. Plant and Soil. 246, pp. 123-137. https://doi.org/10.1023/A:1021580701267

The soil's the thing

G - Articles in popular magazines and other technical publications

Powlson, D. S., Falloon, P. D. and Coleman, K. 2002. The soil's the thing. New Scientist. 176(2369), p. 24.

Interactions in the root environment - an integrated approach. The Rothamsted Millennium Conference

E - Books edited/written by staff member, alone/with others

Powlson, D. S., Bateman, G. L., Davies, K. G., Gaunt, J. L. and Hirsch, P. R. Barlow, P. W. (ed.) 2002. Interactions in the root environment - an integrated approach. The Rothamsted Millennium Conference. Kluwer Academic Publishers, Dordrecht, Netherlands.

Potassium and chloride in crops and soils: the role of potassium chloride fertilizer in crop nutrition (IPI Research Topics No. 22)

E - Books edited/written by staff member, alone/with others

Kafkafi, U., Xu, G., Imas, P., Magen, H., Tarchitzky, J. and Johnston, A. E. 2002. Potassium and chloride in crops and soils: the role of potassium chloride fertilizer in crop nutrition (IPI Research Topics No. 22). International Potash Institute (IPI), Berne, Switzerland.

Understanding phosphorus and its use in agriculture

G - Articles in popular magazines and other technical publications

Johnston, A. E. and Steen, I. 2002. Understanding phosphorus and its use in agriculture.

Polychlorinated naphthalenes in UK soils: Time trends, markers of source, and equilibrium status

A - Papers appearing in refereed journals

Meijer, S. N., Harner, T., Helm, P. A., Halsall, C. J., Johnston, A. E. and Jones, K. C. 2001. Polychlorinated naphthalenes in UK soils: Time trends, markers of source, and equilibrium status. Environmental Science & Technology. 35 (21), pp. 4205-4213.

Foreword to Proceedings of the Rothamsted Millennium Conference on Interactions in the Root Environment

G - Articles in popular magazines and other technical publications

Powlson, D. S., Bateman, G. L., Davies, K. G., Gaunt, J. L., Hirsch, P. R. and Barlow, P. W. 2001. Foreword to Proceedings of the Rothamsted Millennium Conference on Interactions in the Root Environment. Plant and Soil. 232, pp. 1-2.

The effect of nutrients in the subsoil on crop responses to applied potassium and phosphorus

G - Articles in popular magazines and other technical publications

Johnston, A. E. and Milford, G. F. J. 2001. The effect of nutrients in the subsoil on crop responses to applied potassium and phosphorus. British Sugar Beet Review. 69(2), pp. 24-29.

Soil Organic Matter Network (SOMNET): 2001 model and experimental metadata (GCTE Report No. 7, 2nd ed.)

D1 - Technical reports: non-confidential

Smith, P., Falloon, P. D., Smith, J. U. and Powlson, D. S. 2001. Soil Organic Matter Network (SOMNET): 2001 model and experimental metadata (GCTE Report No. 7, 2nd ed.). Wallingford, GCTE Focus 3 Office.

Biofuel crops - their potential contribution to decreased fossil carbon emissions and additional environmental benefits

A - Papers appearing in refereed journals

Powlson, D. S., Christian, D. G., Falloon, P. and Smith, P. 2001. Biofuel crops - their potential contribution to decreased fossil carbon emissions and additional environmental benefits. Aspects of Applied Biology. 65, pp. 289-294.

The role of soil microorganisms in soil organic matter conservation in the tropics

A - Papers appearing in refereed journals

Powlson, D. S., Hirsch, P. R. and Brookes, P. C. 2001. The role of soil microorganisms in soil organic matter conservation in the tropics. Nutrient Cycling in Agroecosystems. 61 (1), pp. 41-51. https://doi.org/10.1023/A:1013338028454

Inputs of nutrients and lime for the maintenance of fertility of grassland soils

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Poulton, P. R., Dawson, C. J. and Crawley, M. J. 2001. Inputs of nutrients and lime for the maintenance of fertility of grassland soils. International Fertiliser Society (IFS).

Reducing fertiliser inputs: endangering arable soil fertility?

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Goulding, K. W. T., Poulton, P. R. and Chalmers, A. G. 2001. Reducing fertiliser inputs: endangering arable soil fertility?

Soil management for sustainable farming

A - Papers appearing in refereed journals

Johnston, A. E. and Salter, J. L. 2001. Soil management for sustainable farming. Journal of the Royal Agricultural Society of England. 162, pp. 122-132.

Enhancing the carbon sink in European agricultural soils: including trace gas fluxes in estimates of carbon mitigation potential

A - Papers appearing in refereed journals

Smith, P., Goulding, K. W. T., Smith, K. A., Powlson, D. S., Smith, J. U., Falloon, P. D. and Coleman, K. 2001. Enhancing the carbon sink in European agricultural soils: including trace gas fluxes in estimates of carbon mitigation potential. Nutrient Cycling in Agroecosystems. 60, pp. 237-252. https://doi.org/10.1023/A:1012617517839

Longterm trends in metals in agroecosystems

C2 - Non-edited contributions to conferences

McGrath, S. P. and Johnston, A. E. 2001. Longterm trends in metals in agroecosystems. Proceedings 6th International Conference on the Biogeochemistry of Trace Elements, Guelph, 29 July-2 August 2001 . pp. 303

Temporal trends in cadmium in crops and soils

C2 - Non-edited contributions to conferences

Johnston, A. E., McGrath, S. P., Chaudri, A. M., Adams, M. L. and Jones, K. C. 2001. Temporal trends in cadmium in crops and soils. Proceedings 6th International Conference on the Biogeochemistry of Trace Elements, Guelph, 29 July-2 August 2001 . pp. 308

A procedure for isolating soil organic matter fractions suitable for modeling

A - Papers appearing in refereed journals

Sohi, S. P., Mahieu, N., Arah, J. R. M., Powlson, D. S., Madari, B. and Gaunt, J. L. 2001. A procedure for isolating soil organic matter fractions suitable for modeling. Soil Science Society of America Journal. 65 (4), pp. 1121-1128. https://doi.org/10.2136/sssaj2001.6541121x

The role of land carbon sinks in mitigating global climate change (Royal Society Policy Document 10/01)

D1 - Technical reports: non-confidential

Read, D., Beerling, D., Cannell, M., Cox, P., Curran, P., Grace, J., Ineson, P., Jarvis, P., Malhi, Y., Powlson, D. S., Shepherd, J. and Woodward, I. 2001. The role of land carbon sinks in mitigating global climate change (Royal Society Policy Document 10/01). Royal Society, London.

Availability of the residual nitrogen from a single application of 15N-labelled fertilizer to subsequent crops in a long-term continuous barley experiment

A - Papers appearing in refereed journals

Glendining, M. J., Poulton, P. R., Powlson, D. S., Macdonald, A. J. and Jenkinson, D. S. 2001. Availability of the residual nitrogen from a single application of 15N-labelled fertilizer to subsequent crops in a long-term continuous barley experiment. Plant and Soil. 233, pp. 231-239. https://doi.org/10.1023/A:1010508914895

Organochlorine pesticide residues in archived UK soil

A - Papers appearing in refereed journals

Meijer, S. N., Halsall, C. J., Harner, T., Peters, A. J., Ockenden, W. A., Johnston, A. E. and Jones, K. C. 2001. Organochlorine pesticide residues in archived UK soil. Environmental Science & Technology. 35 (10), pp. 1989-1995. https://doi.org/10.1021/es0000955

Phosphorus, potassium and sulphur cycles in agricultural soils

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Poulton, P. R. and Syers, J. K. 2001. Phosphorus, potassium and sulphur cycles in agricultural soils.

Further evidence for the existence of PCDD/Fs in the environment prior to 1900

A - Papers appearing in refereed journals

Green, N. J. L., Jones, J. L., Johnston, A. E. and Jones, K. C. 2001. Further evidence for the existence of PCDD/Fs in the environment prior to 1900. Environmental Science & Technology. 35 (10), pp. 1974-1981. https://doi.org/10.1021/es0002161

Balance upset

G - Articles in popular magazines and other technical publications

Powlson, D. S. 2001. Balance upset. New Scientist. 170(2291), p. 54.

Principles of crop nutrition for sustainable food production

A - Papers appearing in refereed journals

Johnston, A. E. 2001. Principles of crop nutrition for sustainable food production. Proceedings of the International Fertiliser Society. 459, p. 39pp.

Carbon mitigation options in agriculture: improving our estimates for Kyoto

B - Book chapters etc edited externally

Smith, P., Falloon, P. D., Powlson, D. S. and Smith, J. U. 2001. Carbon mitigation options in agriculture: improving our estimates for Kyoto. in: Ball, B. C., Watson, C. A., Campbell, C. D. and Rees, R. M. (ed.) Sustainable management of soil organic matter CABI International, Wallingford, Oxon (CABI). pp. 324-329

Soil and plant phosphate

G - Articles in popular magazines and other technical publications

Johnston, A. E. 2000. Soil and plant phosphate.

Some aspects of nitrogen use efficiency in arable agriculture

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 2000. Some aspects of nitrogen use efficiency in arable agriculture.

Revised estimates of the carbon mitigation potential of UK agricultural land

A - Papers appearing in refereed journals

Smith, P., Milne, R., Powlson, D. S., Smith, J. U., Falloon, P. D. and Coleman, K. 2000. Revised estimates of the carbon mitigation potential of UK agricultural land. Soil Use and Management. 16 (4), pp. 293-295. https://doi.org/10.1111/j.1475-2743.2000.tb00214.x

Including trace gas fluxes in estimates of the carbon mitigation potential of UK agricultural land

A - Papers appearing in refereed journals

Smith, P., Goulding, K. W. T., Smith, K. A., Powlson, D. S., Smith, J. U., Falloon, P. D. and Coleman, K. 2000. Including trace gas fluxes in estimates of the carbon mitigation potential of UK agricultural land. Soil Use and Management. 16 (4), pp. 251-259. https://doi.org/10.1111/j.1475-2743.2000.tb00204.x

Bryophyte biomass and species richness on the Park Grass Experiment, Rothamsted, UK

A - Papers appearing in refereed journals

Virtanen, R., Johnston, A. E., Crawley, M. J. and Edwards, G. R. 2000. Bryophyte biomass and species richness on the Park Grass Experiment, Rothamsted, UK. Plant Ecology. 151, pp. 129-141. https://doi.org/10.1023/A:1026533418357

Considering manure and carbon sequestration

G - Articles in popular magazines and other technical publications

Smith, P. and Powlson, D. S. 2000. Considering manure and carbon sequestration. Science - AAAS. 287 (5452), pp. 428-429. https://doi.org/10.1126/science.287.5452.427e

Agricultural carbon mitigation options in Europe: improved estimates and the global perspective

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Smith, J. U., Falloon, P. D., Coleman, K. and Goulding, K. W. T. 2000. Agricultural carbon mitigation options in Europe: improved estimates and the global perspective. Acta Agronomica Hungarica. 48 (2), pp. 209-216. https://doi.org/10.1556/AAgr.48.2000.2.13

Nitrogen mobility - a review

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 2000. Nitrogen mobility - a review.

How to feed the world

G - Articles in popular magazines and other technical publications

Crute, I. R., Powlson, D. S. and Lamb, C. 2000. How to feed the world. Letter to the Guardian. 1 September 2000, p. 17.

Efficient use of nutrients in agricultural production systems

A - Papers appearing in refereed journals

Johnston, A. E. 2000. Efficient use of nutrients in agricultural production systems. Communications in Soil Science and Plant Analysis. 31 (11-14), pp. 1599-1620. https://doi.org/10.1080/00103620009370527

Meaningful monitoring of soil quality - unattainable dream or pragmatic necessity?

C2 - Non-edited contributions to conferences

Powlson, D. S. 2000. Meaningful monitoring of soil quality - unattainable dream or pragmatic necessity? Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Smokescreen exposed

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Smith, P. 2000. Smokescreen exposed. New Scientist. 167(2257) (23 Sept), pp. 51-51.

Estimating crop N uptake from organic residues using a new approach to the 15N isotope dilution technique

A - Papers appearing in refereed journals

Hood, R., Merckx, R., Jensen, E. S., Powlson, D. S., Matijevic, M. and Hardarson, G. 2000. Estimating crop N uptake from organic residues using a new approach to the 15N isotope dilution technique. Plant and Soil. 223, pp. 33-44. https://doi.org/10.1023/A:1004789103949

Meeting Europe's climate change commitments: quantitative estimates of the potential for carbon mitigation by agriculture

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Smith, J. U., Falloon, P. and Coleman, K. 2000. Meeting Europe's climate change commitments: quantitative estimates of the potential for carbon mitigation by agriculture. Global Change Biology. 6 (5), pp. 525-539. https://doi.org/10.1046/j.1365-2486.2000.00331.x

Tackling nitrate from agriculture

A - Papers appearing in refereed journals

Powlson, D. S. 2000. Tackling nitrate from agriculture. Soil Use and Management. 16 (S1), p. 141. https://doi.org/10.1111/j.1475-2743.2000.tb00216.x

Meeting the UK's climate change commitments: options for carbon mitigation on agricultural land

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Smith, J. U., Falloon, P. and Coleman, K. 2000. Meeting the UK's climate change commitments: options for carbon mitigation on agricultural land. Soil Use and Management. 16 (1), pp. 1-11. https://doi.org/10.1111/j.1475-2743.2000.tb00162.x

Long-term soil organic matter dynamics

B - Book chapters etc edited externally

Powlson, D. S. 2000. Long-term soil organic matter dynamics. in: Olk, D. C. and Kirk, G. J. D. (ed.) Carbon and nitrogen dynamics in flooded soils International Rice Research Institute, Manila. pp. 49-63

Some aspects of achieving sustainable phosphorus use in agriculture

A - Papers appearing in refereed journals

Higgs, B., Johnston, A. E., Salter, J. L. and Dawson, C. J. 2000. Some aspects of achieving sustainable phosphorus use in agriculture. Journal of Environmental Quality. 29 (1), pp. 80-87. https://doi.org/10.2134/jeq2000.00472425002900010010x

A physical soil fractionation scheme to obtain organic matter fractions suitable for modeling

B - Book chapters etc edited externally

Gaunt, J. L., Sohi, S. P., Arah, J. R. M., Mahieu, N., Yang, H. and Powlson, D. S. 2000. A physical soil fractionation scheme to obtain organic matter fractions suitable for modeling. in: Olk, D. C. and Kirk, G. J. D. (ed.) Carbon and nitrogen dynamics in flooded soils International Rice Research Institute, Manila. pp. 89-99

Failure to simulate C and N mineralization in soil using biomass C-to-N ratios as measured by the fumigation extraction method?

A - Papers appearing in refereed journals

Dendooven, L., Murphy, E. and Powlson, D. S. 2000. Failure to simulate C and N mineralization in soil using biomass C-to-N ratios as measured by the fumigation extraction method? Soil Biology and Biochemistry. 32 (5), pp. 659-668. https://doi.org/10.1016/S0038-0717(99)00193-5

Phosphorus content in soil, uptake by plants and balance in three European long-term field experiments

A - Papers appearing in refereed journals

Blake, L., Mercik, S., Koerschens, M., Moskal, S., Poulton, P. R., Goulding, K. W. T., Weigel, A. and Powlson, D. S. 2000. Phosphorus content in soil, uptake by plants and balance in three European long-term field experiments. Nutrient Cycling in Agroecosystems. 56, pp. 263-275. https://doi.org/10.1023/A:1009841603931

Response to comment on "Evidence for the presence of PCDD/Fs in the environment prior to 1900 and further studies on their temporal trends"

G - Articles in popular magazines and other technical publications

Alcock, R. E., Jones, K. C., Mclachlan, M. S. and Johnston, A. E. 1999. Response to comment on "Evidence for the presence of PCDD/Fs in the environment prior to 1900 and further studies on their temporal trends". Environmental Science & Technology. 33 (1), pp. 206-207. https://doi.org/10.1021/es9820137

Enhancing the carbon sink in agricultural soils

C2 - Non-edited contributions to conferences

Smith, P., Goulding, K. W. T., Powlson, D. S., Smith, J. U., Falloon, P. D. and Coleman, K. 1999. Enhancing the carbon sink in agricultural soils. Abstracts International Conference on Biogenic Emissions of Greenhouse Gases caused by Arable and Animal Agriculture, Stuttgart, 13-15 October 1999 .

Carbon sequestration in soils: improving our regional estimates

C2 - Non-edited contributions to conferences

Smith, P., Falloon, P. D. and Powlson, D. S. 1999. Carbon sequestration in soils: improving our regional estimates. Abstracts British Society of Soil Science Meeting on Sustainable Management of Soil Organic Matter, Edinburgh, 15-17 September 1999 .

Using long-term experiments to address current agricultural and environmental issues

C1 - Edited contributions to conferences/learned societies

Poulton, P. R., Powlson, D. S. and Johnston, A. E. 1999. Using long-term experiments to address current agricultural and environmental issues. Proceedings BRRI-IRRI Joint Workshop on Long-Term Experiments on Soil Fertility in Rice-based Cropping Systems, Bangladesh Rice Research Institute, 8-11 March 1999 . pp. 1-39

Design, development and use of a national survey of fertiliser applications

C1 - Edited contributions to conferences/learned societies

Chalmers, A. G., Renwick, A., Johnston, A. E. and Dawson, C. J. 1999. Design, development and use of a national survey of fertiliser applications.

Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments

A - Papers appearing in refereed journals

Blake, L., Mercik, S., Koerschens, M., Goulding, K. W. T., Stempen, S., Weigel, A., Poulton, P. R. and Powlson, D. S. 1999. Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments. Plant and Soil. 216, pp. 1-14. https://doi.org/10.1023/A:1004730023746

Some causes of error and confusion in field experiments with 15N

C2 - Non-edited contributions to conferences

Powlson, D. S. 1999. Some causes of error and confusion in field experiments with 15N. Report of the 3rd Research Coordination Meeting of the FAO/IAEA Coordinated Research Project on the Use of Isotope Techniques in Studies on the Management of Organic Matter and Nutrient Turnover for Increased Sustainable Agricultural Production and Environmental Preservation (D1-40.08), Rabat, 6-10 September 1999 . pp. 6-8

Essential Role of Potassium in Diverse Cropping Systems: Proceedings of Workshop C, 16th World Congress of Soil Science, Montpellier, 20-26 August 1998

E - Books edited/written by staff member, alone/with others

Johnston, A. E. 1999. Essential Role of Potassium in Diverse Cropping Systems: Proceedings of Workshop C, 16th World Congress of Soil Science, Montpellier, 20-26 August 1998. International Potash Institute (IPI), Berne, Switzerland.

Organic manures and mineral fertilizers

B - Book chapters etc edited externally

Johnston, A. E. 1999. Organic manures and mineral fertilizers. in: Anac, D. and Martin-Prevel, P. (ed.) Improved crop quality by nutrient management Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 7-11

The retention and release of phosphorus from soil

G - Articles in popular magazines and other technical publications

Blake, L. and Johnston, A. E. 1999. The retention and release of phosphorus from soil. IMPHOS Phosphate Newsletter. 8-9, p. 6.

Are the Rothamsted experiments still relevant to modern farming?

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. and Powlson, D. S. 1999. Are the Rothamsted experiments still relevant to modern farming? Proceedings International Symposium Dauerdungungsversuche als Grundlage fur nachhaltige Landnutzung und Quantifizierung von Stoffkreislaufen, Halle, 3-6 June 1999 (UFZ-Bericht no. 24). pp. 25-27

Statistical analysis of published carbon-13 CPMAS NMR spectra of soil organic matter

A - Papers appearing in refereed journals

Mahieu, N., Powlson, D. S. and Randall, E. W. 1999. Statistical analysis of published carbon-13 CPMAS NMR spectra of soil organic matter. Soil Science Society of America Journal. 63 (2), pp. 307-319. https://doi.org/10.2136/sssaj1999.03615995006300020008x

Nitrogen deposition and carbon sequestration

A - Papers appearing in refereed journals

Jenkinson, D. S., Goulding, K. W. T. and Powlson, D. S. 1999. Nitrogen deposition and carbon sequestration. Nature. 400 (6745), p. 629. https://doi.org/10.1038/23174

Changes in soil chemistry accompanying acidification over more than 100 years under woodland and grass at Rothamsted Experimental Station, UK

A - Papers appearing in refereed journals

Blake, L., Goulding, K. W. T., Mott, C. J. B. and Johnston, A. E. 1999. Changes in soil chemistry accompanying acidification over more than 100 years under woodland and grass at Rothamsted Experimental Station, UK. European Journal of Soil Science. 50 (3), pp. 401-412. https://doi.org/10.1046/j.1365-2389.1999.00253.x

Fate of nitrogen from manufactured fertilizers in agriculture

B - Book chapters etc edited externally

Powlson, D. S. 1999. Fate of nitrogen from manufactured fertilizers in agriculture. in: Wilson, W. S., Hinton, R. H. and Ball, A. S. (ed.) Managing risks of nitrates to humans and the environment Royal Society of Chemistry (RSC), Cambridge. pp. 42-57

Biological weed control via nutrient competition: potassium limitation of dandelions

A - Papers appearing in refereed journals

Tilman, E. A., Tilman, D., Crawley, M. J. and Johnston, A. E. 1999. Biological weed control via nutrient competition: potassium limitation of dandelions. Ecological Applications. 9 (1), pp. 103-111. https://doi.org/10.2307/2641171

Nitrophobia

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Goulding, K. W. T. 1999. Nitrophobia. New Scientist. 161(2174), p. 52.

Soil organic matter and global environmental change: the contribution of the GCTE soil organic matter network (SOMNET) to recent research

C2 - Non-edited contributions to conferences

Smith, P., Powlson, D. S., Falloon, P. D. and Smith, J. U. 1998. Soil organic matter and global environmental change: the contribution of the GCTE soil organic matter network (SOMNET) to recent research. Abstracts The Earth's Changing Land. GCTE-LUCC Open Science Conference on Global Change, Barcelona, 14-18 March 1998 .

Comparison of modelling approaches for estimates of carbon turnover

C2 - Non-edited contributions to conferences

Powlson, D. S., Smith, P., Falloon, P. D. and Paustian, K. 1998. Comparison of modelling approaches for estimates of carbon turnover. Abstracts 16th World Congress of Soil Science, Montpellier, 20-26 August 1998 .

Linking the Rothamsted Carbon Model to GIS databases: regional estimates of carbon sequestration potential

C2 - Non-edited contributions to conferences

Falloon, P. D., Smith, P., Smith, J. U., Szabo, J., Powlson, D. S., Coleman, K. and Marshall, S. 1998. Linking the Rothamsted Carbon Model to GIS databases: regional estimates of carbon sequestration potential. Abstracts The Earth's Changing Land: GCTE-LUCC Open Science Conference on Global Change, Barcelona, 14-18 March 1998 . pp. 151

Possibilities and data requirements for site-to-country scale dynamic SOM modelling in the ORMITROS programme

C2 - Non-edited contributions to conferences

Falloon, P. D., Smith, P. and Powlson, D. S. 1998. Possibilities and data requirements for site-to-country scale dynamic SOM modelling in the ORMITROS programme. Abstracts ORMITROS Workshop on No-till as Basis for a Sustainable Agricultural Development in Brazil, Vienna, 20-21 October 1998 . pp. 7

Food security in the WANA region: the essential need for fertilizers

B - Book chapters etc edited externally

Johnston, A. E. 1998. Food security in the WANA region: the essential need for fertilizers. in: Johnston, A. E. (ed.) Food security in the WANA region, the essential need for balanced fertilization. Proceedings of a Regional Workshop of the International Potash Institute, Bornova, Izmir, Turkey, 25-30 May 1997 International Potash Institute (IPI), Berne, Switzerland. pp. 11-29

Food security in the WANA region, the essential need for balanced fertilization. Proceedings of a Regional Workshop of the International Potash Institute, Bornova, Izmir, Turkey, 26-30 May 1997

E - Books edited/written by staff member, alone/with others

Johnston, A. E. 1998. Food security in the WANA region, the essential need for balanced fertilization. Proceedings of a Regional Workshop of the International Potash Institute, Bornova, Izmir, Turkey, 26-30 May 1997. International Potash Institute (IPI), Berne, Switzerland.

The role of long-term experiments in agricultural development

C1 - Edited contributions to conferences/learned societies

Powlson, D. S., Poulton, P. R. and Gaunt, J. L. 1998. The role of long-term experiments in agricultural development. Swarup, A., Prasad, R. N. and DamodarReddy, D. (ed.) Proceedings ICAR National Workshop on Long-Term Soil Fertility Management through Integrated Plant Nutrient Supply, Bhopal, India, 2-4 April 1998 . pp. 1-15

Soil organic matter model comparison

G - Articles in popular magazines and other technical publications

Smith, P., Smith, J. U., Powlson, D. S. and Falloon, P. 1998. Soil organic matter model comparison. GCTE Update. 13, pp. 4-5.

Assessment of some spatially variable soil factors limiting crop yields (Proceedings International Fertiliser Society No. 419)

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Barraclough, P. B., Poulton, P. R. and Dawson, C. J. 1998. Assessment of some spatially variable soil factors limiting crop yields (Proceedings International Fertiliser Society No. 419). International Fertiliser Society, York. pp. 46pp

Opportunities and limitations for C sequestration in European agricultural soils through changes in management

B - Book chapters etc edited externally

Smith, P., Powlson, D. S., Smith, J. U. and Glendining, M. J. 1998. Opportunities and limitations for C sequestration in European agricultural soils through changes in management. in: Stewart, B. A., Lal, R., Follett, R. F. and Kimble, J. M. (ed.) Management of carbon sequestration in soil CRC Press, Boca Raton, Florida. pp. 143-152

Short-term effects of nitrogen on methane oxidation in soils

A - Papers appearing in refereed journals

Tlustos, P., Willison, T. W., Baker, J. C., Murphy, D. V., Pavlikova, D., Goulding, K. W. T. and Powlson, D. S. 1998. Short-term effects of nitrogen on methane oxidation in soils. Biology And Fertility Of Soils. 28, pp. 64-70. https://doi.org/10.1007/s003740050464

Nutrient management for sustainable crop production in Asia

E - Books edited/written by staff member, alone/with others

Johnston, A. E. Syers, J. K. (ed.) 1998. Nutrient management for sustainable crop production in Asia. CABI International, Wallingford, Oxon (CABI).

Preliminary estimates of the potential for carbon mitigation in European soils through no-till farming

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Glendining, M. J. and Smith, J. U. 1998. Preliminary estimates of the potential for carbon mitigation in European soils through no-till farming. Global Change Biology. 4 (6), pp. 679-685. https://doi.org/10.1046/j.1365-2486.1998.00185.x

Soil organic matter and global environmental change: the contribution of GCTE-SOMNET to recent research

C2 - Non-edited contributions to conferences

Smith, P., Powlson, D. S., Falloon, P. D. and Smith, J. U. 1998. Soil organic matter and global environmental change: the contribution of GCTE-SOMNET to recent research. Proceedings 16th World Congress of Soil Science, Montpellier, 20-26 August 1998 .

Phosphorus, agriculture and water quality

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1998. Phosphorus, agriculture and water quality. Soil Use and Management. 14 (supp 4), p. 123. https://doi.org/10.1111/j.1475-2743.1998.tb00629.x

A European network of long-term sites for studies on soil organic matter

A - Papers appearing in refereed journals

Powlson, D. S., Smith, P., Coleman, K., Smith, J. U., Glendining, M. J., Korschens, M. and Franko, U. 1998. A European network of long-term sites for studies on soil organic matter. Soil & Tillage Research. 47 (3/4), pp. 263-274. https://doi.org/10.1016/S0167-1987(98)00115-9

A review of soil organic matter as seen by 13C nuclear magnetic resonance

C2 - Non-edited contributions to conferences

Mahieu, N., Powlson, D. S. and Randall, E. W. 1998. A review of soil organic matter as seen by 13C nuclear magnetic resonance. Proceedings 16th World Congress of Soil Science, Montpellier, 20-26 August 1998 . pp. 146

Is exchangeable K a sufficient guide for K recommendations?

C2 - Non-edited contributions to conferences

Johnston, A. E. and Krauss, A. 1998. Is exchangeable K a sufficient guide for K recommendations? Proceedings 16th World Congress of Soil Science, Montpellier, 20-26 August 1998 .

Working Group Reports and Conference Summary

B - Book chapters etc edited externally

Johnston, A. E. and Syers, J. K. 1998. Working Group Reports and Conference Summary. in: Johnston, A. E. and Syers, J. K. (ed.) Nutrient management for sustainable crop production in Asia CABI International, Wallingford, Oxon (CABI). pp. 375-383

The importance of fertilizers in plant nutrient management

B - Book chapters etc edited externally

Johnston, A. E. 1998. The importance of fertilizers in plant nutrient management. in: Johnston, A. E. and Syers, J. K. (ed.) Nutrient management for sustainable crop production in Asia CABI International, Wallingford, Oxon (CABI). pp. 35-50

GCTE Somnet Newsletter, Issue 1, September 1998

G - Articles in popular magazines and other technical publications

Falloon, P. D., Smith, P. and Powlson, D. S. 1998. GCTE Somnet Newsletter, Issue 1, September 1998.

Evidence for the presence of PCDD/Fs in the environment prior to 1900 and further studies on their temporal trends

A - Papers appearing in refereed journals

Alcock, R. E., Mclachlan, M. S., Johnston, A. E. and Jones, K. C. 1998. Evidence for the presence of PCDD/Fs in the environment prior to 1900 and further studies on their temporal trends. Environmental Science & Technology. 32 (11), pp. 1580-1587. https://doi.org/10.1021/es9705046

Using the long-term experiments at Rothamsted to address current agricultural and environmental issues

A - Papers appearing in refereed journals

Powlson, D. S. and Poulton, P. R. 1998. Using the long-term experiments at Rothamsted to address current agricultural and environmental issues. Archives of Agronomy and Soil Science. 42 (6), pp. 455-478. https://doi.org/10.1080/03650349809385747

Using long-term experiments to estimate the potential for carbon sequestration at the regional level - an examination of five European scenarios

G - Articles in popular magazines and other technical publications

Smith, P., Powlson, D. S., Glendining, M. J. and Smith, J. U. 1997. Using long-term experiments to estimate the potential for carbon sequestration at the regional level - an examination of five European scenarios. Agrokemia es talajtan. 46 (1-4), pp. 25-38.

Integrated plant nutrient management for efficient crop production

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1997. Integrated plant nutrient management for efficient crop production. Proceedings Dahlia Greidinger International Symposium on Fertilization and the Environment, Haifa, 24-27 March 1997 . pp. 37-48

A comparison of the performance of nine soil organic matter models using datasets from seven long-term experiments

A - Papers appearing in refereed journals

Smith, P., Smith, J. U., Powlson, D. S., Mcgill, W. B., Arah, J. R. M., Chertov, O. G., Coleman, K., Franko, U., Frolking, S., Jenkinson, D. S., Jensen, L. S., Kelly, R. H., Klein-Gunnewiek, H., Komarov, A. S., Li, C., Molina, J. A. E., Mueller, T., Parton, W. J., Thornley, J. H. M. and Whitmore, A. P. 1997. A comparison of the performance of nine soil organic matter models using datasets from seven long-term experiments. Geoderma. 81 (1-2), pp. 153-225. https://doi.org/10.1016/S0016-7061(97)00087-6

Evaluation and comparison of soil organic matter models (Geoderma Special Issue 81(1-2))

E - Books edited/written by staff member, alone/with others

Smith, P., Powlson, D. S. and Smith, J. U. Elliott, E. T. (ed.) 1997. Evaluation and comparison of soil organic matter models (Geoderma Special Issue 81(1-2)).

Managing nutrient supplies to meet agricultural and environmental goals

A - Papers appearing in refereed journals

Powlson, D. S. 1997. Managing nutrient supplies to meet agricultural and environmental goals. Aspects of Applied Biology. 50, pp. 77-93.

Input control of organic matter dynamics

A - Papers appearing in refereed journals

Scholes, M. C., Powlson, D. S. and Tian, G. L. 1997. Input control of organic matter dynamics. Geoderma. 79 (1-4), pp. 25-47. https://doi.org/10.1016/S0016-7061(97)00037-2

SOMNET - a global network and database of soil organic matter models and long-term experimental datasets

G - Articles in popular magazines and other technical publications

Smith, P., Powlson, D. S., Smith, J. U. and Falloon, P. 1997. SOMNET - a global network and database of soil organic matter models and long-term experimental datasets. Globe. 38, pp. 4-5.

Potential for carbon sequestration in European soils: preliminary estimates for five scenarios using results from long-term experiments

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Glendining, M. J. and Smith, J. U. 1997. Potential for carbon sequestration in European soils: preliminary estimates for five scenarios using results from long-term experiments. Global Change Biology. 3 (1), pp. 67-79. https://doi.org/10.1046/j.1365-2486.1997.00055.x

Integrating agricultural nutrient management with environmental objectives: current state and future prospects

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1997. Integrating agricultural nutrient management with environmental objectives: current state and future prospects.

Effects of season, soil type and cropping on recoveries, residues and losses of 15N-labelled fertilizer applied to arable crops in spring

A - Papers appearing in refereed journals

Macdonald, A. J., Poulton, P. R., Powlson, D. S. and Jenkinson, D. S. 1997. Effects of season, soil type and cropping on recoveries, residues and losses of 15N-labelled fertilizer applied to arable crops in spring. The Journal of Agricultural Science. 129 (2), pp. 125-154. https://doi.org/10.1017/S0021859697004619

Fertilisers and agriculture: fifty years of developments and challenges

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1997. Fertilisers and agriculture: fifty years of developments and challenges.

Peat - a valuable resource

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., Hewitt, M. V., Poulton, P. R. and Lane, P. W. 1997. Peat - a valuable resource. Wilson, W. S. and Hayes, M. H. B. (ed.) Humic substances in soils, peats and waters: health and environmental aspects . Royal Society of Chemistry (RSC), Cambridge. pp. 368-383

Soil organic matter and soil quality: lessons learned from long term field experiments at Askov and Rothamsted

B - Book chapters etc edited externally

Christensen, B. T. and Johnston, A. E. 1997. Soil organic matter and soil quality: lessons learned from long term field experiments at Askov and Rothamsted. in: Carter, M. R. and Gregorich, E. G. (ed.) Soil quality for crop production and ecosystem health Elsevier, Amsterdam. pp. 399-430

The effect of agriculture on methane oxidation in soil

A - Papers appearing in refereed journals

Powlson, D. S., Goulding, K. W. T., Willison, T. W., Webster, C. P. and Hutsch, B. W. 1997. The effect of agriculture on methane oxidation in soil. Nutrient Cycling in Agroecosystems. 49, pp. 59-70. https://doi.org/10.1023/A:1009704226554

BMP effectiveness: the European perspective

C2 - Non-edited contributions to conferences

Goulding, K. W. T. and Powlson, D. S. 1997. BMP effectiveness: the European perspective.

Fate of 15N-labelled fertilizer applied to spring barley grown on soils of contrasting nutrient status

A - Papers appearing in refereed journals

Glendining, M. J., Poulton, P. R., Powlson, D. S. and Jenkinson, D. S. 1997. Fate of 15N-labelled fertilizer applied to spring barley grown on soils of contrasting nutrient status. Plant and Soil. 195, pp. 83-98. https://doi.org/10.1023/A:1004295531657

Variations in microbial populations in soils with different methane uptake rates

A - Papers appearing in refereed journals

Willison, T. W., O'flaherty, M. S., Tlustos, P., Goulding, K. W. T. and Powlson, D. S. 1997. Variations in microbial populations in soils with different methane uptake rates. Nutrient Cycling in Agroecosystems. 49, pp. 85-90. https://doi.org/0.1023/A:1009756210624

Aspects of soil fertility in the interpretation of yield maps as an aid to precision farming

C1 - Edited contributions to conferences/learned societies

Dawson, C. J. and Johnston, A. E. 1997. Aspects of soil fertility in the interpretation of yield maps as an aid to precision farming. Stafford, J. V. (ed.) Precision Agriculture 1997: Proceedings 1st European Conference on Precision Agriculture, Warwick, September 1997 . BIOS Scientific Publishers Limited. pp. 87-94

Phosphorus loss from soil to water

E - Books edited/written by staff member, alone/with others

Tunney, H., Carton, O. T., Brookes, P. C. and Johnston, A. E. 1997. Phosphorus loss from soil to water. CABI International, Wallingford, Oxon (CABI).

The value of long-term field experiments in agricultural, ecological and environmental research

B - Book chapters etc edited externally

Johnston, A. E. 1997. The value of long-term field experiments in agricultural, ecological and environmental research. in: Sparks, D. L. (ed.) Advances in Agronomy (Vol. 59) Elsevier.

Agricultural options for mitigation of greenhouse gas emissions

B - Book chapters etc edited externally

Cole, V., Cerri, C., Minami, K., Mosier, A., Rosenberg, N., Sauerbeck, D., Dumanski, J., Duxbury, J., Freney, J., Gupta, R., Heinemeyer, O., Kolchugina, T., Lee, J., Paustian, K., Powlson, D. S., Sampson, U., Tiessen, H., Van Noordwijk, M. and Zhao, Q. 1996. Agricultural options for mitigation of greenhouse gas emissions. in: Watson, R. T., Moss, R. H. and Zinyowera, M. C. (ed.) Climate change 1995. Impacts, adaptations and mitigation of climate change: scientific-technical analyses Cambridge University Press (CUP) Cambridge. pp. 747-771

Phosphorus: essential plant nutrient, possible pollutant

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1996. Phosphorus: essential plant nutrient, possible pollutant. Meststoffen.

Soil organic matter: something old, something new

C2 - Non-edited contributions to conferences

Powlson, D. S., Smith, P., Coleman, K., Gaunt, J. L., Dendooven, L., Poulton, P. R., Mahieu, N. and Randall, E. W. 1996. Soil organic matter: something old, something new.

The GCTE SOMNET. A global network and database of soil organic matter models and long-term experimental dataset

A - Papers appearing in refereed journals

Smith, P., Powlson, D. S., Smith, J. U. and Glendining, M. J. 1996. The GCTE SOMNET. A global network and database of soil organic matter models and long-term experimental dataset. Soil Use and Management. 12, p. 104.

The GCTE Soil Organic Matter Network (SOMNET) metadata database

J - Computer programs

Smith, P., Caiger, A., Potts, J. M., Smith, J. U., Leech, P. K. and Powlson, D. S. 1996. The GCTE Soil Organic Matter Network (SOMNET) metadata database.

Opportunities and limitations for C sequestration in European agricultural soils through changes in management

C1 - Edited contributions to conferences/learned societies

Smith, P., Powlson, D. S., Glendining, M. J. and Smith, J. U. 1996. Opportunities and limitations for C sequestration in European agricultural soils through changes in management. Proceedings British Society of Soil Science Meeting, Dundee, 23-25 September 1996 .

Opportunities and limitations for C sequestration in European agricultural soils through changes in management

C1 - Edited contributions to conferences/learned societies

Smith, P., Powlson, D. S., Glendining, M. J. and Smith, J. U. 1996. Opportunities and limitations for C sequestration in European agricultural soils through changes in management. Proceedings International Conference on Carbon Sequestration, Columbus, Ohio, July 1996 .

The influence of organic nitrogen mineralisation on the management of agricultural systems in the UK

A - Papers appearing in refereed journals

Shepherd, M. A., Stockdale, E. A., Powlson, D. S. and Jarvis, S. C. 1996. The influence of organic nitrogen mineralisation on the management of agricultural systems in the UK. Soil Use and Management. 12 (2), pp. 76-85. https://doi.org/10.1111/j.1475-2743.1996.tb00963.x

The short term effect of nitrogen fertilizer application on the fluctuation of trace gases

C1 - Edited contributions to conferences/learned societies

Tlustos, P., Willison, T. W., Pavlikova, D. and Powlson, D. S. 1996. The short term effect of nitrogen fertilizer application on the fluctuation of trace gases. Transactions 9th Nitrogen Workshop, Braunschweig, 9-12 September 1996 . pp. 569-572

The long-term effect of ley-arable cropping on soil organic matter and crop yield

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. and Johnston, A. E. 1996. The long-term effect of ley-arable cropping on soil organic matter and crop yield. Transactions 9th Nitrogen Workshop, Braunschweig, 9-12 September 1996 . pp. 437-440

Dynamics of organic carbon and nitrogen in long-term field experiments with organic and inorganic fertilizer applications in soils with different texture under different climatic regimes

C1 - Edited contributions to conferences/learned societies

Dendooven, L., Poulton, P. R., Powlson, D. S., Müller, A., Ritzkowski, E. M., Korschens, M., Kubat, J., Klir, J. and Mercik, S. 1996. Dynamics of organic carbon and nitrogen in long-term field experiments with organic and inorganic fertilizer applications in soils with different texture under different climatic regimes. Transactions 9th Nitrogen Workshop, Braunschweig, 9-12 September 1996 . pp. 205-208

Methane fluxes in aerobic soils

A - Papers appearing in refereed journals

Goulding, K. W. T., Willison, T. W., Webster, C. P. and Powlson, D. S. 1996. Methane fluxes in aerobic soils. Environmental Monitoring And Assessment. 42, pp. 175-187. https://doi.org/10.1007/BF00394049

The effects of long-term applications of inorganic nitrogen fertilizer on soil nitrogen in the Broadbalk Wheat Experiment

A - Papers appearing in refereed journals

Glendining, M. J., Powlson, D. S., Poulton, P. R., Bradbury, N. J., Palazzo, D. and Li, X. 1996. The effects of long-term applications of inorganic nitrogen fertilizer on soil nitrogen in the Broadbalk Wheat Experiment. The Journal of Agricultural Science. 127, pp. 347-363. https://doi.org/10.1017/S0021859600078527

Isotopic character of lead deposited from the atmosphere at a grassland site in the UK since 1860

A - Papers appearing in refereed journals

Bacon, J. R., Jones, K. C., McGrath, S. P. and Johnston, A. E. 1996. Isotopic character of lead deposited from the atmosphere at a grassland site in the UK since 1860. Environmental Science & Technology. 30 (8), pp. 2511-2518. https://doi.org/10.1021/es950839s

Moving the British cattle herd

A - Papers appearing in refereed journals

Smith, P., Smith, J. U. and Powlson, D. S. 1996. Moving the British cattle herd. Nature. 381 (6577), p. 15. https://doi.org/10.1038/381015a0

Evidence for a decline in atmospheric emissions of PCDD/Fs in the UK

A - Papers appearing in refereed journals

Kjeller, L. O., Jones, K. C., Johnston, A. E. and Rappe, C. 1996. Evidence for a decline in atmospheric emissions of PCDD/Fs in the UK. Environmental Science & Technology. 30 (4), pp. 1398-1403. https://doi.org/10.1021/es950708r

CH4 oxidation in soils fertilized with organic and inorganic-N; differential effects

A - Papers appearing in refereed journals

Willison, T. W., Cook, R., Muller, A. and Powlson, D. S. 1996. CH4 oxidation in soils fertilized with organic and inorganic-N; differential effects. Soil Biology and Biochemistry. 28 (1), pp. 135-136. https://doi.org/10.1016/0038-0717(95)00111-5

Establishing a European GCTE Soil Organic Matter Network (SOMNET)

C1 - Edited contributions to conferences/learned societies

Glendining, M. J., Smith, P. and Powlson, D. S. 1996. Establishing a European GCTE Soil Organic Matter Network (SOMNET). Powlson, D. S., Smith, J. U. and Smith, P. (ed.) Evaluation of soil organic matter models using existing long-term datasets (NATO ASI Series I, Vol 38) . Springer, Berlin. pp. 81-98 https://doi.org/10.1007/978-3-642-61094-3_7

Evaluation of soil organic matter using existing long-term datasets (NATO ASI Series I, Vol. 38)

E - Books edited/written by staff member, alone/with others

Powlson, D. S. and Smith, P. Smith, J. U. (ed.) 1996. Evaluation of soil organic matter using existing long-term datasets (NATO ASI Series I, Vol. 38). Springer, Berlin.

Why evaluate soil organic matter models?

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1996. Why evaluate soil organic matter models? Evaluation of soil organic matter models using existing long-term datasets (NATO ASI Series I, Vol. 38) . Springer, Berlin. pp. 3-12

The influence of organic N mineralization on the management of agricultural systems in the UK

A - Papers appearing in refereed journals

Shepherd, M. A., Stockdale, E. A., Powlson, D. S. and Jarvis, S. C. 1996. The influence of organic N mineralization on the management of agricultural systems in the UK. Soil Use and Management. 12, pp. 76-86.

Nitrogen mineralization in temperate agricultural soils: processes and measurement

A - Papers appearing in refereed journals

Jarvis, S. C., Stockdale, E. A., Shepherd, M. A. and Powlson, D. S. 1996. Nitrogen mineralization in temperate agricultural soils: processes and measurement. Advances in Agronomy. 57, pp. 187-235. https://doi.org/10.1016/S0065-2113(08)60925-6

Are polychlorinated biphenyls produced naturally? Results from recent UK investigations

B - Book chapters etc edited externally

Alcock, R. E., Lead, W. A., Johnston, A. E. and Jones, K. C. 1995. Are polychlorinated biphenyls produced naturally? Results from recent UK investigations. in: Grimvall, A. and de Leer, E. W. B. (ed.) Naturally-produced organo-halogens: Selected and edited proceedings of the First Conference on Naturally-Produced Organohalogens  Dordrecht, Netherlands, Springer Science.

Movement of water and the herbicides atrazine and isoproturon through a large structured clay soil core

A - Papers appearing in refereed journals

Beck, A. J., Lam, V., Henderson, D. E., Beven, K. J., Harris, G. L., Howse, K. R., Johnston, A. E. and Jones, K. C. 1995. Movement of water and the herbicides atrazine and isoproturon through a large structured clay soil core. Journal of Contaminant Hydrology. 19, pp. 237-260.

The Significance of the Retention of Atmospherically Deposited Cadmium on Plant-Surfaces to the Cadmium Content of Herbage

A - Papers appearing in refereed journals

Nicholson, F. A., Jones, K. C. and Johnston, A. E. 1995. The Significance of the Retention of Atmospherically Deposited Cadmium on Plant-Surfaces to the Cadmium Content of Herbage. Chemosphere. 31 (4), pp. 3043-3049.

Farming, fertilizers and the greenhouse effect

G - Articles in popular magazines and other technical publications

Willison, T. W., Goulding, K. W. T., Powlson, D. S. and Webster, C. P. 1995. Farming, fertilizers and the greenhouse effect. Outlook on Agriculture. 24 (4), pp. 241-247. https://doi.org/10.1177/003072709502400408

Fertilization effects on organic matter in physically fractionated soils as studied by 13C NMR: results from two long-term field experiments

A - Papers appearing in refereed journals

Randall, E. W., Mahieu, N., Powlson, D. S. and Christensen, B. T. 1995. Fertilization effects on organic matter in physically fractionated soils as studied by 13C NMR: results from two long-term field experiments. European Journal of Soil Science. 46 (4), pp. 557-565. https://doi.org/10.1111/j.1365-2389.1995.tb01352.x

The significance of long-term experiments to agricultural research

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1995. The significance of long-term experiments to agricultural research. Christensen, B. T. and Trentemoller, U. (ed.) The Askov Long-Term Experiments on Animal Manure and Mineral Fertilizers, 100th Anniversary Workshop, Askov Experimental Station, 8-10 September 1994 . Danish Institute of Plant and Soil Science (DIPSS). pp. 19-23

The value of long-term field experiments in agricultural and environmental research

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1995. The value of long-term field experiments in agricultural and environmental research. Christensen, B. T. and Trentemoller, U. (ed.) The Askov Long-Term Experiments on Animal Manure and Mineral Fertilizers, 100th Anniverary Workshop, Askov Experimental Station, 8-10 September 1994 . Danish Institute of Plant and Soil Science (DIPSS). pp. 31-64

The GCTE SOMNET: a global network and database of soil organic matter models and long-term datasets

C2 - Non-edited contributions to conferences

Smith, P., Powlson, D. S., Smith, J. U. and Glendining, M. J. 1995. The GCTE SOMNET: a global network and database of soil organic matter models and long-term datasets. Abstracts Driven by Nature Conference, Wye College, October 1995 .

Soil organic matter: something old, something new

C2 - Non-edited contributions to conferences

Powlson, D. S., Smith, P., Coleman, K., Gaunt, J. L., Dendooven, L., Poulton, P. R., Mahieu, N. and Randall, E. W. 1995. Soil organic matter: something old, something new. Abstracts SCI Meeting on Soil Organic Matter, London, 21 November 1995 .

A European network of long-term sites for studies on soil organic matter

C2 - Non-edited contributions to conferences

Powlson, D. S., Smith, P., Coleman, K., Smith, J. U., Glendining, M. J., Korschens, M. and Franko, U. 1995. A European network of long-term sites for studies on soil organic matter. Abstracts ASA/SSSA Meeting, St Louis, November 1995 .

Proceedings International Workshop on Phosphorus Loss to Water from Agriculture

E - Books edited/written by staff member, alone/with others

Tunney, H., Carton, O. T., Brookes, P. C., Johnston, A. E., Foy, R. H., Morgan, A. and Sharpley, A. N. Pionke, H. B. (ed.) 1995. Proceedings International Workshop on Phosphorus Loss to Water from Agriculture.

Comparison of TEAGASC (Ireland) and MAFF (England and Wales) fertilizer P recommendations

C1 - Edited contributions to conferences/learned societies

Poulton, P. R., Tunney, H. and Johnston, A. E. 1995. Comparison of TEAGASC (Ireland) and MAFF (England and Wales) fertilizer P recommendations. Proceedings International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 22-29 September 1995 . pp. 121-122

Factors affecting critical soil P values

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 1995. Factors affecting critical soil P values. Proceedings International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 22-29 September 1995 . pp. 117-118

Defining critical levels of available soil P for agricultural soils

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 1995. Defining critical levels of available soil P for agricultural soils. Proceedingss International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 22-29 September 1995 . pp. 115-116

The downward movement and retention of P in agricultural soils

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 1995. The downward movement and retention of P in agricultural soils. Proceedingss International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 22-29 September 1995 . pp. 97-98

Effect of land use change and methane mixing ratio on methane uptake from United Kingdom soil

A - Papers appearing in refereed journals

Willison, T. W., Goulding, K. W. T. and Powlson, D. S. 1995. Effect of land use change and methane mixing ratio on methane uptake from United Kingdom soil. Global Change Biology. 1 (3), pp. 209-212. https://doi.org/10.1111/j.1365-2486.1995.tb00022.x

Methane oxidation in temperate soils; effects of land use and the chemical form of nitrogen fertilizer

A - Papers appearing in refereed journals

Willison, T. W., Webster, C. P., Goulding, K. W. T. and Powlson, D. S. 1995. Methane oxidation in temperate soils; effects of land use and the chemical form of nitrogen fertilizer. Chemosphere. 30, pp. 539-546. https://doi.org/10.1016/0045-6535(94)00416-R

Agriculture, soil and pollution - 150 years of research on plant nutrients

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1995. Agriculture, soil and pollution - 150 years of research on plant nutrients. Proceedings of the Royal Institution of Great Britain. 66, pp. 201-221.

Phosphate losses in the Woburn Erosion Reference Experiment

C1 - Edited contributions to conferences/learned societies

Catt, J. A., Johnston, A. E. and Quinton, J. N. 1995. Phosphate losses in the Woburn Erosion Reference Experiment. Proceedings International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 27-29 September 1995 . pp. 51-52

Agriculture, the nitrogen cycle and nitrate

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. and Goulding, K. W. T. 1995. Agriculture, the nitrogen cycle and nitrate. North, J. (ed.) Nitrate Control Policy, Agriculture and Land Use: Proceedings 4th Professional Environmental Seminar, Cambridge, 11 October 1994 . pp. 5-25

The importance of long- and short-term air-soil exchanges of organic contaminants

A - Papers appearing in refereed journals

Jones, K. C., Johnston, A. E. and McGrath, S. P. 1995. The importance of long- and short-term air-soil exchanges of organic contaminants. International Journal Of Environmental Analytical Chemistry. 59 (2-4), pp. 167-178. https://doi.org/10.1080/03067319508041325

The origin and fate of cadmium in soil

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Jones, K. C. 1995. The origin and fate of cadmium in soil. International Fertiliser Society (IFS).

The effect of agriculture on methane oxidation in soil

A - Papers appearing in refereed journals

Goulding, K. W. T., Hutsch, B. W., Webster, C. P., Willison, T. W. and Powlson, D. S. 1995. The effect of agriculture on methane oxidation in soil. Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences. 351, pp. 313-325. https://doi.org/10.1098/rsta.1995.0036

Long-term experiments and productivity indexes to evaluate the sustainability of cropping systems

B - Book chapters etc edited externally

Cassman, K. G. and Johnston, A. E. 1995. Long-term experiments and productivity indexes to evaluate the sustainability of cropping systems. in: Barnett, V., Steiner, R. and Payne, R. W. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 231-244

Effect of crop residue management and drainage on the persistence and movement of Isoproturon in a structured clay soil over the growing season of a winter barley crop

A - Papers appearing in refereed journals

Beck, A. J., Harris, G. L., Howse, K. R., Johnston, A. E. and Jones, K. C. 1995. Effect of crop residue management and drainage on the persistence and movement of Isoproturon in a structured clay soil over the growing season of a winter barley crop. Journal of Agricultural and Food Chemistry - JAFC. 43 (5), pp. 1368-1376. https://doi.org/10.1021/jf00053a045

Sustainability - the Rothamsted experience

B - Book chapters etc edited externally

Johnston, A. E., Landau, S., Payne, R. W., Welham, S. J. and Rayner, A. I. 1995. Sustainability - the Rothamsted experience. in: Barnett, V., Steiner, R. and Payne, R. W. (ed.) Agricultural sustainability: economic, environmental and statistical considerations John Wiley & Sons Chichester, West Sussex. pp. 171-206

13C NMR studies of organic matter in whole soils: II. A case study of some Rothamsted soils

A - Papers appearing in refereed journals

Kinchesh, P., Powlson, D. S. and Randall, E. W. 1995. 13C NMR studies of organic matter in whole soils: II. A case study of some Rothamsted soils. European Journal of Soil Science. 46 (1), pp. 139-146. https://doi.org/10.1111/j.1365-2389.1995.tb01820.x

13C NMR studies of organic matter in whole soils: I. Quantitation possibilities

A - Papers appearing in refereed journals

Kinchesh, P., Powlson, D. S. and Randall, E. W. 1995. 13C NMR studies of organic matter in whole soils: I. Quantitation possibilities. European Journal of Soil Science. 46 (1), pp. 125-138. https://doi.org/10.1111/j.1365-2389.1995.tb01819.x

The effect of agriculture on methane oxidation in soil

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., Powlson, D. S., Webster, C. P. and Willison, T. W. 1995. The effect of agriculture on methane oxidation in soil. Proceedings UK-Japan Workshop Controlling Methane and the Nitrogen Cycle on Farms, Silsoe, 19-24 March 1995 . pp. 19-31

The effects of long continued applications of inorganic nitrogen fertilizer on soil organic nitrogen - a review

B - Book chapters etc edited externally

Glendining, M. J. and Powlson, D. S. 1995. The effects of long continued applications of inorganic nitrogen fertilizer on soil organic nitrogen - a review. in: Stewart, B. A. and Lal, R. (ed.) Soil management: experimental basis for sustainability and environmental quality Lewis Publishers, Boca Raton, Florida. pp. 385-446

Defining aspects of soil fertility to insure continued productivity

B - Book chapters etc edited externally

Johnston, A. E. 1994. Defining aspects of soil fertility to insure continued productivity. in: Nutrient management on highly productive soils Potash and Phosphate Institute, Manhattan. pp. 5-17

The Rothamsted Classical Experiments

A - Papers appearing in refereed journals

Poulton, P. R. and Johnston, A. E. 1994. The Rothamsted Classical Experiments. Agrokemia es talajtan. 43, pp. 249-263.

The role of nitrogen in crop production and losses of nitrate by leaching from agricultural soil

A - Papers appearing in refereed journals

Johnston, A. E. 1994. The role of nitrogen in crop production and losses of nitrate by leaching from agricultural soil. Marine Pollution Bulletin. 29 (6-12), pp. 414-419. https://doi.org/10.1016/0025-326X(94)90664-5

Nitrophosphates and their use in agriculture - a historical review

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1994. Nitrophosphates and their use in agriculture - a historical review. Lee, R. G. (ed.) Nitric acid-based fertilizers and the environment . International Fertilizer Development Centre, Muscle Shoals. pp. 37-48

Nitrogen: a changing perspective of its role in food production and environmental concerns

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1994. Nitrogen: a changing perspective of its role in food production and environmental concerns. Lee, R. G. (ed.) Nitric acid-based fertilizers and the environment . International Fertilizer Development Centre, Muscle Shoals. pp. 67-76

The potential impact of global environmental change on nitrogen dynamics in arable systems

B - Book chapters etc edited externally

Bradbury, N. J. and Powlson, D. S. 1994. The potential impact of global environmental change on nitrogen dynamics in arable systems. in: Loveland, P. J. and Rounsevell, M. D. A. (ed.) Soil responses to climate change (NATO ASI Series I, Vol 23) Springer, Berlin. pp. 137-153

Nitrogen fertilization and methane oxidation in agricultural soils

C1 - Edited contributions to conferences/learned societies

Hutsch, B. W., Webster, C. P. and Powlson, D. S. 1994. Nitrogen fertilization and methane oxidation in agricultural soils. Proceedings 15th World Congress of Soil Science, Acapulco, 10-16 July 1994 .

Methane oxidation in soil as affected by land use, soil pH and N fertilisation

A - Papers appearing in refereed journals

Hutsch, B. W., Webster, C. P. and Powlson, D. S. 1994. Methane oxidation in soil as affected by land use, soil pH and N fertilisation. Soil Biology and Biochemistry. 26, pp. 1613-1622.

Estimating nitrate leaching and denitrification by simultaneous use of Br and 15N tracers

A - Papers appearing in refereed journals

Abu Bakar, R., Goulding, K. W. T., Webster, C. P., Poulton, P. R. and Powlson, D. S. 1994. Estimating nitrate leaching and denitrification by simultaneous use of Br and 15N tracers. Journal of the Science of Food and Agriculture. 66 (4), pp. 509-519. https://doi.org/10.1002/jsfa.2740660414

Contamination of environmental samples prepared for PCB analysis

A - Papers appearing in refereed journals

Alcock, R. E., Halsall, C. J., Harris, C. A., Johnston, A. E., Lead, W. A., Sanders, G. and Jones, K. C. 1994. Contamination of environmental samples prepared for PCB analysis. Environmental Science & Technology. 28 (11), pp. 1838-1842. https://doi.org/10.1021/es00060a013

Effect of phosphate fertilisers and atmospheric deposition on long-term changes in the cadmium content of soils and crops

A - Papers appearing in refereed journals

Nicholson, F. A., Jones, K. C. and Johnston, A. E. 1994. Effect of phosphate fertilisers and atmospheric deposition on long-term changes in the cadmium content of soils and crops. Environmental Science & Technology. 28 (12), pp. 2170-2175. https://doi.org/10.1021/es00061a027

Long-term experiments in agricultural and ecological sciences

E - Books edited/written by staff member, alone/with others

Leigh, R. A. and Johnston, A. E. 1994. Long-term experiments in agricultural and ecological sciences. CABI International, Wallingford, Oxon (CABI).

The Park Grass Experiment: insights from the most long-term ecological study

B - Book chapters etc edited externally

Tilman, D., Dodd, M. E., Silvertown, J., Poulton, P. R., Crawley, M. J. and Johnston, A. E. 1994. The Park Grass Experiment: insights from the most long-term ecological study. in: Johnston, A. E. and Leigh, R. A. (ed.) Long-term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 287-303

Quantification of nutrient cycles using long-term experiments

B - Book chapters etc edited externally

Powlson, D. S. 1994. Quantification of nutrient cycles using long-term experiments. in: Johnston, A. E. and Leigh, R. A. (ed.) Long-term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 97-115

The Management of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical Experiments

B - Book chapters etc edited externally

Leigh, R. A., Prew, R. D. and Johnston, A. E. 1994. The Management of long-term agricultural field experiments: procedures and policies evolved from the Rothamsted Classical Experiments. in: Johnston, A. E. and Leigh, R. A. (ed.) Long term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 253-268

Historical monitoring of organic contaminants in soils

B - Book chapters etc edited externally

Jones, K. C., Johnston, A. E. and McGrath, S. P. 1994. Historical monitoring of organic contaminants in soils. in: Johnston, A. E. and Leigh, R. A. (ed.) Long-term experiments in agricultural and ecological sciences CABI International, Wallingford, Oxon (CABI). pp. 147-163

The Rothamsted Classical Experiments

B - Book chapters etc edited externally

Johnston, A. E. 1994. The Rothamsted Classical Experiments. in: Johnston, A. E. and Leigh, R. A. (ed.) Long-term experiments in agricultural and ecological sciences Wallingford, Oxon CABI International, Wallingford, Oxon (CABI). pp. 9-37

Water quality and fertilser use - understanding the nitrate problem

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1994. Water quality and fertilser use - understanding the nitrate problem. Miller, F. A. and Marshall, B. J. (ed.) Water services and agriculture. CAS Paper 29 . Centre for Agricultural Strategy (CAS), University of Reading. pp. 84-103

Soil organic nitrogen - its structure, dynamics and role in the nitrogen cycle of agricultural soils

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1994. Soil organic nitrogen - its structure, dynamics and role in the nitrogen cycle of agricultural soils. Proceedings 57th Winter Congress of the International Institute for Sugar Beet Research, Brussels, February 1994 . pp. 155-176

Mobilization of aluminium in soil by acid deposition and its uptake by grass cut for hay-a Chemical Time Bomb

A - Papers appearing in refereed journals

Blake, L., Johnston, A. E. and Goulding, K. W. T. 1994. Mobilization of aluminium in soil by acid deposition and its uptake by grass cut for hay-a Chemical Time Bomb. Soil Use and Management. 10 (2), pp. 51-55. https://doi.org/10.1111/j.1475-2743.1994.tb00458.x

Effects of one to six year old ryegrass-clover leys on soil nitrogen and on the subsequent yields and fertilizer nitrogen requirements of the arable sequence winter wheat, potatoes, winter wheat, winter beans (Vicia faba ) grown on a sandy loam soil

A - Papers appearing in refereed journals

Johnston, A. E., McEwen, J., Lane, P. W., Hewitt, M. V., Poulton, P. R. and Yeoman, D. P. 1994. Effects of one to six year old ryegrass-clover leys on soil nitrogen and on the subsequent yields and fertilizer nitrogen requirements of the arable sequence winter wheat, potatoes, winter wheat, winter beans (Vicia faba ) grown on a sandy loam soil. The Journal of Agricultural Science. 122 (1), pp. 73-89. https://doi.org/10.1017/S0021859600065825

Trends in herbage yields over the last century on the Rothamsted long-term continuous hay experiment

A - Papers appearing in refereed journals

Jenkinson, D. S., Potts, J. M., Perry, J. N., Barnett, V., Coleman, K. and Johnston, A. E. 1994. Trends in herbage yields over the last century on the Rothamsted long-term continuous hay experiment. The Journal of Agricultural Science. 122 (3), pp. 365-374. https://doi.org/10.1017/S0021859600067290

Long-term field experiments: their importance in understanding sustainable land use

B - Book chapters etc edited externally

Powlson, D. S. and Johnston, A. E. 1994. Long-term field experiments: their importance in understanding sustainable land use. in: Greenland, D. J. and Szabolcs, I. (ed.) Soil Resilience and Sustainable Land Use CABI International, Wallingford, Oxon (CABI). pp. 367-394

The soil microbial biomass - before, beyond and back

B - Book chapters etc edited externally

Powlson, D. S. 1994. The soil microbial biomass - before, beyond and back. in: Giller, K. E., Ritz, K. and Dighton, J. (ed.) Beyond the biomass: compositional and functional analysis of soil microbial communities John Wiley & Sons Chichester, West Sussex. pp. 3-20

The setting-up, conduct and applicability of long-term, continuing field experiments in agricultural research

B - Book chapters etc edited externally

Johnston, A. E. and Powlson, D. S. 1994. The setting-up, conduct and applicability of long-term, continuing field experiments in agricultural research. in: Greenland, D. J. and Szabolcs, I. (ed.) Soil Resilience and Sustainable Land Use CABI International, Wallingford, Oxon (CABI). pp. 395-421

SCI Agriculture and Environment Group symposium: use and value of organic materials in agriculture

A - Papers appearing in refereed journals

McGrath, S. P., Hall, J. E., Lopez-Real, J. M., Lee, H., Chambers, B. J., Smith, K., Stevens, R. J., Hadley, P., Smith, S., Pickering, J., Kendle, T., Allison, M. F., Johnston, A. E. and Prew, B. D. 1993. SCI Agriculture and Environment Group symposium: use and value of organic materials in agriculture. Journal of the Science of Food and Agriculture. 63 (1), pp. 97-102. https://doi.org/10.1002/jsfa.2740630117

Methane oxidation in agricultural soils as affected by the form of nitrogen fertilizer

C2 - Non-edited contributions to conferences

Webster, C. P., Hutsch, B. W., Goulding, K. W. T. and Powlson, D. S. 1993. Methane oxidation in agricultural soils as affected by the form of nitrogen fertilizer. Abstracts 4th AFRC Meeting on Plant and Soil Nitrogen Metabolism, Silsoe, 15-17 December 1993 .

Potassium leaching from a sandy loam soil

D1 - Technical reports: non-confidential

Johnston, A. E., Goulding, K. W. T. and Mercer, E. 1993. Potassium leaching from a sandy loam soil.

The availability of the nitrogen in the crop residues of winter wheat to subsequent crops

A - Papers appearing in refereed journals

Hart, P. B. S., Powlson, D. S., Poulton, P. R., Johnston, A. E. and Jenkinson, D. S. 1993. The availability of the nitrogen in the crop residues of winter wheat to subsequent crops. The Journal of Agricultural Science. 121 (3), pp. 355-362. https://doi.org/10.1017/S0021859600085555

The dynamics of nitrate fertilizer in soil in the autumn and the effect of farmyard manuring

C1 - Edited contributions to conferences/learned societies

Rosenani, A. B., Powlson, D. S., Webster, C. P., Goulding, K. W. T. and Poulton, P. R. 1993. The dynamics of nitrate fertilizer in soil in the autumn and the effect of farmyard manuring. Nuclear Methods in Soil/Plant Aspects of Sustainable Agriculture. Proceedings FAO/IAEA Regional Seminar for Asia and the Pacific, Colombo, April 1993 . pp. 51-59

Farming, fertilizers and the nitrate and phosphate problems

C2 - Non-edited contributions to conferences

Powlson, D. S. 1993. Farming, fertilizers and the nitrate and phosphate problems. Jordan, V. W. L. (ed.) Agriculture: scientific basis for codes of good agricultural practice . Commission of the European Communities (CEC), Luxembourg. pp. 43

Significance of organic matter in agricultural soils

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1993. Significance of organic matter in agricultural soils. Jones, K. C., Mingelgrin, U., Hayes, M. H. B. and Beck, A. J. (ed.) Organic substances in soil and water: natural constituents and their influences on contaminant behaviour . Royal Society of Chemistry (RSC), Cambridge. pp. 3-18

Movement of nonionic organic chemicals in agricultural soils

A - Papers appearing in refereed journals

Beck. A. J., Johnston, A. E. and Jones, K. C. 1993. Movement of nonionic organic chemicals in agricultural soils. Critical Reviews in Environmental Science and Technology. 23 (3), pp. 219-248. https://doi.org/10.1080/10643389309388452

Understanding the soil nitrogen cycle

A - Papers appearing in refereed journals

Powlson, D. S. 1993. Understanding the soil nitrogen cycle. Soil Use and Management. 9 (3), pp. 86-94. https://doi.org/10.1111/j.1475-2743.1993.tb00935.x

Potassium concentrations in surface and groundwaters and the loss of potassium in relation to land use

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Goulding, K. W. T. 1993. Potassium concentrations in surface and groundwaters and the loss of potassium in relation to land use. Potassium in Ecosystems: Proceedings 23rd Colloquium of the International Potash Institute, Prague, October 1992 . International Potash Institute (IPI), Berne, Switzerland. pp. 135-158

Long-term effects of nitrogen fertilisation on methane oxidation in soil of the Broadbalk wheat experiment

A - Papers appearing in refereed journals

Hutsch, B. W., Webster, C. P. and Powlson, D. S. 1993. Long-term effects of nitrogen fertilisation on methane oxidation in soil of the Broadbalk wheat experiment. Soil Biology and Biochemistry. 25, pp. 1307-1315. https://doi.org/10.1016/0038-0717(93)90045-D

Long-term changes in the polychlorinated biphenyl content of United Kingdom soils

A - Papers appearing in refereed journals

Alcock, R. E., Johnston, A. E., McGrath, S. P., Berrow, M. L. and Jones, K. C. 1993. Long-term changes in the polychlorinated biphenyl content of United Kingdom soils. Environmental Science & Technology. 27, pp. 1918-1923. https://doi.org/10.1021/es00046a022

Quantification of nutrient cycles using long-term experiments

C2 - Non-edited contributions to conferences

Powlson, D. S. 1993. Quantification of nutrient cycles using long-term experiments. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

The Rothamsted long-term experiments - their relevance to modern agriculture

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. and Johnston, A. E. 1993. The Rothamsted long-term experiments - their relevance to modern agriculture. Proceedings International Symposium on Long-term Static Fertilizer Experiments, Warsaw and Krakow, June 1993 . pp. 5-30

Managing and maintaining long-term agricultural field experiments: the do's and the don'ts

C2 - Non-edited contributions to conferences

Leigh, R. A., Prew, R. D. and Johnston, A. E. 1993. Managing and maintaining long-term agricultural field experiments: the do's and the don'ts. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

Long-term monitoring of pollutants in soils

C2 - Non-edited contributions to conferences

Jones, K. C., Johnston, A. E. and McGrath, S. P. 1993. Long-term monitoring of pollutants in soils. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

The role of phosphorus in crop production and soil fertility: 150 years of field experiments at Rothamsted, United Kingdom

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Poulton, P. R. 1993. The role of phosphorus in crop production and soil fertility: 150 years of field experiments at Rothamsted, United Kingdom. Schultz, J. J. (ed.) Phosphate Fertilizers and the Environment . International Fertilizer Development Center, Muscle Shoals. pp. 45-63

The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Jones, K. C. 1993. The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them. Schultz, J. J. (ed.) Phosphate Fertilizers and the Environment . International Fertilizer Development Center, Muscle Shoals. pp. 255-269

The Rothamsted "Classical" Experiments

C2 - Non-edited contributions to conferences

Johnston, A. E. 1993. The Rothamsted "Classical" Experiments. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

Methane oxidation in the Broadbalk wheat experiment

C2 - Non-edited contributions to conferences

Hutsch, B., Webster, C. P. and Powlson, D. S. 1993. Methane oxidation in the Broadbalk wheat experiment. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

Denitrification losses of nitrogen fertilizer applied to winter wheat following ley and arable rotations as estimated by acetylene inhibition and 15N balance

A - Papers appearing in refereed journals

Goulding, K. W. T., Webster, C. P., Powlson, D. S. and Poulton, P. R. 1993. Denitrification losses of nitrogen fertilizer applied to winter wheat following ley and arable rotations as estimated by acetylene inhibition and 15N balance. Journal of Soil Science. 44 (1), pp. 63-72. https://doi.org/10.1111/j.1365-2389.1993.tb00434.x

A problem with straw?

G - Articles in popular magazines and other technical publications

Brookes, P. C. and Powlson, D. S. 1993. A problem with straw? Agriculture and Equipment International. 45(1/2), pp. 10-11.

Long-term change in the biogeochemical cycling of atmospheric selenium: deposition to plants and soil

A - Papers appearing in refereed journals

Haygarth, P. M., Cooke, A. I., Jones, K. C., Harrison, A. F. and Johnston, A. E. 1993. Long-term change in the biogeochemical cycling of atmospheric selenium: deposition to plants and soil. Journal of Geophysical Research. 98 (D9), pp. 769-776. https://doi.org/10.1029/93JD01023

Atmospheric deposition of selenium to herbage from archived samples at Rothamsted, SE England

C1 - Edited contributions to conferences/learned societies

Haygarth, P. M., Jones, K. C., Cooke, A. C., Harrison, A. F. and Johnston, A. E. 1993. Atmospheric deposition of selenium to herbage from archived samples at Rothamsted, SE England. Allan, R. J. and Nriagu, J. O. (ed.) Heavy Metals in the Environment. CEP Consultants Ltd, Edinburgh.

The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them", International Workshop on phosphate fertilizers and the environment. Mar 23-27, 1992 Tampa, Florida, USA

D1 - Technical reports: non-confidential

Johnston, A. E. and Jones, K. C. 1992. The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them", International Workshop on phosphate fertilizers and the environment. Mar 23-27, 1992 Tampa, Florida, USA.

Environmental consequences of changes in arable agriculture

C2 - Non-edited contributions to conferences

Powlson, D. S., Goulding, K. W. T., Macdonald, A. J. and Poulton, P. R. 1992. Environmental consequences of changes in arable agriculture. Land Use Change - the Cause and Consequences: Proceedings 27th ITE Symposium, 1992. HMSO, London. pp. 193

Improving nutrient-use efficiency

C1 - Edited contributions to conferences/learned societies

Leigh, R. A. and Powlson, D. S. 1992. Improving nutrient-use efficiency. Towards Sustainable Crop Production Systems: 9th Royal Show International Symposium, University of Cambridge, 1992. Royal Agricultural Society of England (RASE), Stoneleigh. pp. 55-58

The release of toxic heavy metals from acidifying derelict (abandoned) farmland

C2 - Non-edited contributions to conferences

Goulding, K. W. T., Blake, L. and Johnston, A. E. 1992. The release of toxic heavy metals from acidifying derelict (abandoned) farmland. Konsten, C. J. M. (ed.) Report International Workshop on Delayed Environmental Effects of Chemical Pollution with Focus on the Nordic Countries, Uppsala, September 1991. Chemical Time Bomb Project, Leidschendam. pp. 46

Mineralization and assimilation in soil-plant systems

B - Book chapters etc edited externally

Powlson, D. S. and Barraclough, D. 1992. Mineralization and assimilation in soil-plant systems. in: Blackburn, T. H. and Knowles, R. (ed.) Nitrogen isotope techniques Academic Press, San Diego. pp. 209-242

Autumn and winter management of the land

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Davies, D. B. 1992. Autumn and winter management of the land.

Advances in soil organic matter research: the impact on agriculture and the environment

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1992. Advances in soil organic matter research: the impact on agriculture and the environment. The Journal of Agricultural Science.

Improving nutrient use efficiency.

C1 - Edited contributions to conferences/learned societies

Leigh, R. A. and Powlson, D. S. 1992. Improving nutrient use efficiency. Proceedings RASE Conference on Sustainable Agriculture, July 1992.

Nitrogen uptake by cover crops

C1 - Edited contributions to conferences/learned societies

Christian, D. G., Goodlass, G. and Powlson, D. S. 1992. Nitrogen uptake by cover crops. Nitrate and Farming Systems. Aspects of Applied Biology .

The fate of residual fertilizer N in arable soils

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R. and Powlson, D. S. 1992. The fate of residual fertilizer N in arable soils. Scaife, A. (ed.) Proceedings 2nd Congress of the European Society for Agronomy, Warwick University, 1992. European Society for Agronomy, Wellesbourne. pp. 416-417

Managing nitrate

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1992. Managing nitrate. Landscape Design. July/August, pp. 45-49.

The relationship between inorganic N in soil and the rate of fertilizer N applied on the Broadbalk Wheat Experiment

A - Papers appearing in refereed journals

Glendining, M. J., Poulton, P. R. and Powlson, D. S. 1992. The relationship between inorganic N in soil and the rate of fertilizer N applied on the Broadbalk Wheat Experiment. Aspects of Applied Biology. 30, pp. 95-102.

Evidence for an increase in the cadmium content of herbage since the 1860s

A - Papers appearing in refereed journals

Jones, K. C., Jackson, A. and Johnston, A. E. 1992. Evidence for an increase in the cadmium content of herbage since the 1860s. Environmental Science & Technology. 26 (4), pp. 834-836. https://doi.org/10.1021/es00028a026

Evidence for a decline of PCBs and PAHs in rural vegetation and air in the United Kingdom

A - Papers appearing in refereed journals

Jones, K. C., Sanders, G., Wild, S. R., Burnett, V. and Johnston, A. E. 1992. Evidence for a decline of PCBs and PAHs in rural vegetation and air in the United Kingdom. Nature. 356 (6365), pp. 137-140. https://doi.org/10.1038/356137a0

The polynuclear aromatic hydrocarbon (PAH) content of herbage from a long-term grassland experiment

A - Papers appearing in refereed journals

Wild, S. R., Jones, K. C. and Johnston, A. E. 1992. The polynuclear aromatic hydrocarbon (PAH) content of herbage from a long-term grassland experiment. Atmospheric Environment. 26A (7), pp. 1299-1307. https://doi.org/10.1016/0960-1686(92)90390-7

NMR imaging of 14N in solution

A - Papers appearing in refereed journals

Kinchesh, P., Powlson, D. S., Randall, E. W. and Williams, S. C. R. 1992. NMR imaging of 14N in solution. Journal Of Magnetic Resonance. 97, pp. 208-212.

Leaching of nitrate from arable land: final report to MAFF on contract CSA 1058

D1 - Technical reports: non-confidential

Macdonald, A. J., Poulton, P. R., Powlson, D. S. and Jenkinson, D. S. 1992. Leaching of nitrate from arable land: final report to MAFF on contract CSA 1058.

Influence of soil type, crop management and weather on the recovery of 15N-labelled fertilizer applied to winter wheat in spring

A - Papers appearing in refereed journals

Powlson, D. S., Hart, P. B. S., Poulton, P. R., Johnston, A. E. and Jenkinson, D. S. 1992. Influence of soil type, crop management and weather on the recovery of 15N-labelled fertilizer applied to winter wheat in spring. The Journal of Agricultural Science. 118 (1), pp. 83-100. https://doi.org/10.1017/S0021859600068040

Partitioning losses of nitrogen fertilizer between leaching and denitrification

A - Papers appearing in refereed journals

Addiscott, T. M. and Powlson, D. S. 1992. Partitioning losses of nitrogen fertilizer between leaching and denitrification. The Journal of Agricultural Science. 118 (1), pp. 101-107. https://doi.org/10.1017/S0021859600068052

Organic matter/mineral matter in the context of clean technology

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1991. Organic matter/mineral matter in the context of clean technology. Seminar on Agriculture and Aquaculture: Environment Northern Seas Conference Report.

Increases in the polychlorinated dibenzo-p-dioxin and -furan content of soils and vegetation since the 1840s

A - Papers appearing in refereed journals

Kjeller, L-O., Jones, K. C., Johnston, A. E. and Rappe, C. 1991. Increases in the polychlorinated dibenzo-p-dioxin and -furan content of soils and vegetation since the 1840s. Environmental Science & Technology. 25 (9), pp. 1619-1627.

Benefits from long-term ecosystem research: some examples from Rothamsted

B - Book chapters etc edited externally

Johnston, A. E. 1991. Benefits from long-term ecosystem research: some examples from Rothamsted. in: Risser, P. G. (ed.) Long-term ecological research John Wiley & Sons Chichester, West Sussex. pp. 89-113

The efficiency of use of nitrogen fertiliser at Brimstone Farm with special reference to denitrification losses

C1 - Edited contributions to conferences/learned societies

Powlson, D. S., Goulding, K. W. T., Webster, C. P., Poulton, P. R. and Abu Bakar, R. 1991. The efficiency of use of nitrogen fertiliser at Brimstone Farm with special reference to denitrification losses. Catt, J. A. (ed.) The Brimstone Experiment Proceedings of a Conference on Collaborative Work by ADAS Field Drainage Experimental Unit and Rothamsted Experimental Station, 15-16 October, 1991. Lawes Agricultural Trust, (LAT) Harpenden. pp. 79-80

Transport and fate of isoproturon in a mole drained Denchworth clay soil at Brimstone Farm

C1 - Edited contributions to conferences/learned societies

Beck, A. J., Jones, K. C. and Johnston, A. E. 1991. Transport and fate of isoproturon in a mole drained Denchworth clay soil at Brimstone Farm. Catt, J. A. (ed.) The Brimstone Experiment Proceedings of a Conference on Collaborative Work by ADAS Field Drainage Experimental Unit and Rothamsted Experimental Station, 15-16 October, 1991. Lawes Agricultural Trust, (LAT) Harpenden. pp. 75-76

Farming, fertilizers and the nitrate problem

E - Books edited/written by staff member, alone/with others

Addiscott, T. M., Whitmore, A. P. and Powlson, D. S. 1991. Farming, fertilizers and the nitrate problem. CABI International, Wallingford, Oxon (CABI).

The effect of long-term applications of inorganic nitrogen fertilizer on soil organic nitrogen

B - Book chapters etc edited externally

Glendining, M. J. and Powlson, D. S. 1991. The effect of long-term applications of inorganic nitrogen fertilizer on soil organic nitrogen. in: Wilson, W. S. (ed.) Advances in soil organic matter research: the impact on agriculture and the environment Royal Society of Chemistry (RSC), Cambridge. pp. 329-338

The long-term (100 years) accumulation and release of toxic metals in acidified soils under grassland and naturally-regenerating woodland

C2 - Non-edited contributions to conferences

Blake, L., Goulding, K. W. T. and Johnston, A. E. 1991. The long-term (100 years) accumulation and release of toxic metals in acidified soils under grassland and naturally-regenerating woodland. Selinus, O. (ed.) Abstracts 2nd International Symposium on Environmental Geochemistry. Sveriges Geologiska Undersokning, Uppsala.

Potential changes in soil fertility from arable farming including organic systems

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1991. Potential changes in soil fertility from arable farming including organic systems.

Soil fertility and soil organic matter

B - Book chapters etc edited externally

Johnston, A. E. 1991. Soil fertility and soil organic matter. in: Wilson, W. S. (ed.) Advances in soil organic matter research: the impact on agriculture and the environment Royal Society of Chemistry (RSC), Cambridge. pp. 299-314

Managing the nitrogen cycle to minimise losses

C2 - Non-edited contributions to conferences

Powlson, D. S. 1991. Managing the nitrogen cycle to minimise losses.

Arable crops and farming practices: effects on nitrate in arable soils

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R. and Powlson, D. S. 1991. Arable crops and farming practices: effects on nitrate in arable soils. Proceedings, 1st Congress of the European Society of Agronomy, Paris, 5-7 December, 1990. pp. Session 5 P 28

Significance of atmospheric inputs of lead to grassland at one site in the United Kingdom since 1860

A - Papers appearing in refereed journals

Jones, K. C. and Johnston, A. E. 1991. Significance of atmospheric inputs of lead to grassland at one site in the United Kingdom since 1860. Environmental Science & Technology. 25 (6), pp. 1174-1178. https://doi.org/10.1021/es00018a025

Evidence for a decline in rural herbage lead levels in the U.K.

A - Papers appearing in refereed journals

Jones, K. C., Symon, C., Taylor, P. J. L., Walsh, J. and Johnston, A. E. 1991. Evidence for a decline in rural herbage lead levels in the U.K. Atmospheric Environment. 25 (2), pp. 361-369. https://doi.org/10.1016/0960-1686(91)90307-S

Liebig and the Rothamsted experiments

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1990. Liebig and the Rothamsted experiments. Berichte der Justus Liebig-Gesellschaft zu Giessen: Vortrage des Symposiums 150 Jahre Agrikulturchemie, 27 Oktober 1990. Justus Liebig-Gesellschaft, Giessen. pp. 37-64

Soil fertility-how can we define it in intensive agricultural systems?

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1990. Soil fertility-how can we define it in intensive agricultural systems? International Scientific Conference on Agrochemical Criteria of Soil Fertility, 11th, Wrotslav, September 1989. Polish Academy of Science, Pulawy. pp. 212-230

The use of plant and soil analyses to predict the potassium supplying capacity of the soil

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. and Goulding, K. W. T. 1990. The use of plant and soil analyses to predict the potassium supplying capacity of the soil. Proceedings of the 22nd Colloquium of the International Potash Institute., Soligorek, USSR, 1990. International Potash Institute (IPI), Berne, Switzerland. pp. 177-204

Evaluation of the benfit of substituting foliar urea for soil-applied nitrogen for winter wheat

A - Papers appearing in refereed journals

Poulton, P. R., Vaidyanathan, L. V., Powlson, D. S. and Jenkinson, D. S. 1990. Evaluation of the benfit of substituting foliar urea for soil-applied nitrogen for winter wheat. Aspects of Applied Biology. 25, pp. 301-308.

North European outlook of plant nutrition guidelines - experience in the UK

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1990. North European outlook of plant nutrition guidelines - experience in the UK. Seminar 191, Nordiska Jordbruksforskares Forening, Sigtuna, Sweden, 1990.

Sources of nitrate leaching from arable soil to aquifers

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R. and Powlson, D. S. 1990. Sources of nitrate leaching from arable soil to aquifers. Merckx, R., Vlassak, K. and Vereecken, H. (ed.) Fertilization and the environment. University Press, Leuven. pp. 281-288

Some agricultural and environmental consequences of long-term applications of inorganic nitrogen fertilizer

C1 - Edited contributions to conferences/learned societies

Glendining, M. J., Powlson, D. S. and Poulton, P. R. 1990. Some agricultural and environmental consequences of long-term applications of inorganic nitrogen fertilizer. Merckx, R., Vlassak, K. and Vereecken, H. (ed.) Fertilization and the environment. University Press, Leuven. pp. 189-196

Losses of nitrate from arable land by leaching and their effect on nitrates in drainage and groundwater

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., Johnston, A. E., Webster, C. P. and Howe, M. 1990. Losses of nitrate from arable land by leaching and their effect on nitrates in drainage and groundwater. Merckx, R., Vlassak, K. and Vereecken, H. (ed.) Fertilization and the environment. University Press, Leuven. pp. 26-34

Straw incorporation - its effects on soil fertility.

C2 - Non-edited contributions to conferences

Johnston, A. E. 1990. Straw incorporation - its effects on soil fertility. Straw disposal and soil management after 1992. Proceedings Lincolnshire Agricultural Society, November, 1990. pp. 1-10.

Low input agriculture - is it sustainable?

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1990. Low input agriculture - is it sustainable? Journal of the Fertilizer Society of South Africa .

Recent advances in the use of isotopes in organic matter studies.

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1990. Recent advances in the use of isotopes in organic matter studies. Transactions of the 14th Congress of the International Society of Soil Science, ppIV.92-97. ISSI, Kyoto.

130 years of inorganic nitrogen fertilizer applications to the Broadbalk Wheat Experiment: the effect on soil organic nitrogen.

C1 - Edited contributions to conferences/learned societies

Glendining, M. J. and Powlson, D. S. 1990. 130 years of inorganic nitrogen fertilizer applications to the Broadbalk Wheat Experiment: the effect on soil organic nitrogen. Transactions of the 14th Congress of the International Society of Soil Science , pp IV.9-13. ISSS, Kyoto..

An overview of the nitrogen cycle.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1990. An overview of the nitrogen cycle. Nitrates and irrigation. UK Irrigation Association Technical Monograph 3 . Eds P.J.C. Hamer & P.B. Leeds-Harrison. Cranfield Press and UK Irrigation Association, Silsoe.. pp. 1-14

Direct methods for estimating denitrification losses of nitrogen fertiliser.

B - Book chapters etc edited externally

Goulding, K. W. T., Webster, C. P., Powlson, D. S., Poulton, P. R. and Abu Bakar, R. 1990. Direct methods for estimating denitrification losses of nitrogen fertiliser. in: Harrison, A. F., Ineson, P. and Heal, O. W. (ed.) Nutrient cycling in terrestial ecosystems. Field methods, application and interpretation. A.F. Harrison, P. Ineson & O.W. Heal, eds Elsevier, London. pp. 153-163

Quantifying inputs of non-fertiliser nitrogen into an agro-ecosystem.

B - Book chapters etc edited externally

Powlson, D. S. and Jenkinson, D. S. 1990. Quantifying inputs of non-fertiliser nitrogen into an agro-ecosystem. in: Harrison, A. F., Ineson, P. and Heal, O. W. (ed.) Nutrient cycling in terrestial ecosystems. Field methods, application and interpretation. A.F. Harrison, P. Ineson & O.W. Heal, eds Elsevier, London. pp. 56-68

Atmospheric inputs of heavy metals and organic contaminants to agroecosystems

C2 - Non-edited contributions to conferences

Jones, K. C., Haygarth, P. M. and Johnston, A. E. 1990. Atmospheric inputs of heavy metals and organic contaminants to agroecosystems. Agriculture Group Symposium, Agriculture and the Atmosphere.

Effects of irrigation, N fertilizer, cutting frequency and pesticides on ryegrass, ryegrass–clover mixtures, clover and lucerne grown on heavy and light land

A - Papers appearing in refereed journals

McEwen, J., Day, W., Henderson, I. F., Johnston, A. E., Plumb, R. T., Poulton, P. R., Spaull, A. M., Stribley, D. P., Todd, A. D. and Yeoman, D. P. 1989. Effects of irrigation, N fertilizer, cutting frequency and pesticides on ryegrass, ryegrass–clover mixtures, clover and lucerne grown on heavy and light land. The Journal of Agricultural Science. 112 (2), pp. 227-247. https://doi.org/10.1017/S0021859600085130

Rational potassium manuring for arable cropping systems.

A - Papers appearing in refereed journals

Johnston, A. E. and Goulding, K. W. T. 1989. Rational potassium manuring for arable cropping systems. Potash Review. 12 (2), pp. 1-7.

The value of long-term experiments - a personal view

B - Book chapters etc edited externally

Johnston, A. E. 1989. The value of long-term experiments - a personal view. in: Likens, G. E. (ed.) In Long-term studies in ecology : approaches and alternatives Springer-Verlag, New York. pp. 175-179

The value of long-term experiments in agricultural research

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1989. The value of long-term experiments in agricultural research. In Proceedings of the Sanborn Field Centenniel, University of Missouri, 1989. University of Missouri, Columbia. pp. 1-20

The nitrogen cycle in UK arable agriculture.

A - Papers appearing in refereed journals

Johnston, A. E. and Jenkinson, D. S. 1989. The nitrogen cycle in UK arable agriculture. Proceedings - Fertiliser Society, London. 286, pp. 1-24.

The role of nitrogen in agriculture.

C2 - Non-edited contributions to conferences

Johnston, A. E. 1989. The role of nitrogen in agriculture. Living with nitrates. Conference Proceedings of the Licolnshire Agricultural Society, 1989. pp. 1-11

Leaching of nitrate from soils receiving organic or inorganic fertilizers continuously for 135 years.

C1 - Edited contributions to conferences/learned societies

Powlson, D. S., Poulton, P. R., Addiscott, T. M. and Mccann, D. S. 1989. Leaching of nitrate from soils receiving organic or inorganic fertilizers continuously for 135 years. Nitrogen in organic wastes applied to soils , J.A. Hansen & K. Henriksen eds. Academic Press, London. pp. 334-345

Influence of sorghum residues and tillage on soil organic matter and soil microbial biomass in an Australian vertisol.

A - Papers appearing in refereed journals

Saffigna, P. G., Powlson, D. S., Brookes, P. C. and Thomas, G. A. 1989. Influence of sorghum residues and tillage on soil organic matter and soil microbial biomass in an Australian vertisol. Soil Biology and Biochemistry. 21 (6), pp. 759-765. https://doi.org/10.1016/0038-0717(89)90167-3

Accumulation and loss of nitrogen from manure, sludge and compost: long-term experiments at Rothamsted and Woburn.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E., McGrath, S. P., Poulton, P. R. and Lane, P. W. 1989. Accumulation and loss of nitrogen from manure, sludge and compost: long-term experiments at Rothamsted and Woburn. Nitrogen in organic wastes applied to soils , J.A. Hansen & K. Henriksen eds. Academic Press, London. pp. 126-139

Ways of overcoming constraints to reduced tillage; effect of changing straw disposal on soil nitrogen.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1989. Ways of overcoming constraints to reduced tillage; effect of changing straw disposal on soil nitrogen. Agriculture. Energy saving by reduced soil tillage. Proceedings of a workshop, Gottingen, 1987. K. Baumer & W. Ehlers eds. Commission of the European Communities (CEC) Brussels, Belgium. pp. 133-143

Benefits from long-term ecological research; some examples from Rothamsted.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1989. Benefits from long-term ecological research; some examples from Rothamsted. Final Report of the International Workshop "Long-term ecological research - a global perspective", Man and the Biosphere Program, Berchtesgaden, 1989 . UNESCO, MAB, Bonn. pp. 288-312

Laying the ground rules for nitrate.

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Powlson, D. S. 1989. Laying the ground rules for nitrate. New Scientist. 29 April, pp. 28-29.

Predicting the lime requirement of soils under permanent grassland and arable crops.

A - Papers appearing in refereed journals

Goulding, K. W. T., McGrath, S. P. and Johnston, A. E. 1989. Predicting the lime requirement of soils under permanent grassland and arable crops. Soil Use and Management. 5 (2), pp. 54-57. https://doi.org/10.1111/j.1475-2743.1989.tb00760.x

Uptake of foliar-applied urea by winter-wheat (Triticum aestivum) the influence of application time and the use of a new 15N technique.

A - Papers appearing in refereed journals

Powlson, D. S., Poulton, P. R., Moller, N. E., Hewitt, M. V., Penny, A. and Jenkinson, D. S. 1989. Uptake of foliar-applied urea by winter-wheat (Triticum aestivum) the influence of application time and the use of a new 15N technique. Journal of the Science of Food and Agriculture. 48 (4), pp. 429-440. https://doi.org/10.1002/jsfa.2740480405

The nitrogen cycle in Broadbalk wheat experiment: 15N-labelled fertilizer residues in the soil and in the soil microbial biomass.

A - Papers appearing in refereed journals

Shen, S. M., Hart, P. B. S., Powlson, D. S. and Jenkinson, D. S. 1989. The nitrogen cycle in Broadbalk wheat experiment: 15N-labelled fertilizer residues in the soil and in the soil microbial biomass. Soil Biology and Biochemistry. 21 (4), pp. 529-533. https://doi.org/10.1016/0038-0717(89)90126-0

Cadmium in cereal grain and herbage from long-term experimental plots at Rothamsted, UK.

A - Papers appearing in refereed journals

Jones, K. C. and Johnston, A. E. 1989. Cadmium in cereal grain and herbage from long-term experimental plots at Rothamsted, UK. Environmental Pollution. 57 (3), pp. 199-216. https://doi.org/10.1016/0269-7491(89)90012-2

Long-term atmospheric deposition and soil acidification at Rothamsted Experimental Station, England.

B - Book chapters etc edited externally

Goulding, K. W. T. and Johnston, A. E. 1989. Long-term atmospheric deposition and soil acidification at Rothamsted Experimental Station, England. in: Longhurst, J. W. S. (ed.) Acid deposition, sources, effects and controls . J.W.S. Longhurst, ed. British Library (BL). pp. 213-228

More about nitrate leaching.

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1989. More about nitrate leaching. Farmers Weekly. 110 (18), pp. 12-13.

Implications to N losses of a switch from inorganic towards organic manures and from continuous arable cropping to ley-arable rotations. Agriculture Group Symposium : future use of nitrogen fertilisers.

A - Papers appearing in refereed journals

Goulding, K. W. T., Powlson, D. S., Poulton, P. R., Webster, C. P., Macdonald, A. J. and Glendining, M. J. 1989. Implications to N losses of a switch from inorganic towards organic manures and from continuous arable cropping to ley-arable rotations. Agriculture Group Symposium : future use of nitrogen fertilisers. Journal of the Science of Food and Agriculture. 48 (1), pp. 115-129. https://doi.org/10.1002/jsfa.2740480113

Unused fertiliser nitrogen in arable soils - its contribution to nitrate leaching.

A - Papers appearing in refereed journals

Mcdonald, A. J., Powlson, D. S., Poulton, P. R. and Jenkinson, D. S. 1989. Unused fertiliser nitrogen in arable soils - its contribution to nitrate leaching. Journal of the Science of Food and Agriculture. 46 (4), pp. 407-419. https://doi.org/10.1002/jsfa.2740460404

Polynuclear aromatic hydrocarbons in an agricultural soil: long term changes in profile distribution.

A - Papers appearing in refereed journals

Jones, K. C., Stratford, J. A., Tidridge, P., Waterhouse, K. S. and Johnston, A. E. 1989. Polynuclear aromatic hydrocarbons in an agricultural soil: long term changes in profile distribution. Environmental Pollution. 56 (4), pp. 337-351. https://doi.org/10.1016/0269-7491(89)90079-1

Phosphorus cycling in intensive arable agriculture.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1989. Phosphorus cycling in intensive arable agriculture. Phosphorus cycles in terrestial and aquatic ecosystems. Proceedings of a Workshop arranged by SCOPE, Czerniejewo, Poland, 1988, . H. Tiesse ed. University of Saskatchewan, Saskatoon.. pp. 123-136

Changes in the polynuclear aromatic hydrocarbon content of wheat grain and pasture grassland over the last century from one site in the UK.

A - Papers appearing in refereed journals

Jones, K. C., Grimmer, G., Jacob, J. and Johnston, A. E. 1989. Changes in the polynuclear aromatic hydrocarbon content of wheat grain and pasture grassland over the last century from one site in the UK. Science of the Total Environment. 78 (1), pp. 117-130. https://doi.org/10.1016/0048-9697(89)90026-0

Increases in the polynuclear aromatic hydrocarbon content of an agricultural soil over the last century

A - Papers appearing in refereed journals

Jones, K. C., Stratford, J. A., Waterhouse, K. S., Furlong, E. T., Giger, W., Hites, R. A., Schaffner, C. and Johnston, A. E. 1989. Increases in the polynuclear aromatic hydrocarbon content of an agricultural soil over the last century. Environmental Science & Technology. 23, pp. 95-101. https://doi.org/10.1021/es00178a012

Measuring and minimising losses of fertilizer nitrogen in arable agriculture

B - Book chapters etc edited externally

Powlson, D. S. 1988. Measuring and minimising losses of fertilizer nitrogen in arable agriculture. in: Nitrogen efficiency in agricultural soils London Elsevier. pp. 231-245

Rothamsted and the nitrogen story.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1988. Rothamsted and the nitrogen story. Property News. Autumn/Winter, p. 6.

A Rothamsted view of nitrogen management.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1988. A Rothamsted view of nitrogen management. The Agronomist. No.3, pp. 10-12.

No help for N pollution from organic farming.

G - Articles in popular magazines and other technical publications

Powlson, D. S. 1988. No help for N pollution from organic farming. Farmers Weekly. 108, p. (18), 12.

Optimization of lime applications to soils under permanent grassland and arable crops.

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., McGrath, S. P. and Johnston, A. E. 1988. Optimization of lime applications to soils under permanent grassland and arable crops. Proceedings 7th Colloquium International Association for the Optimization of Plant Nutrition, Nyborg, Denmark, 1988. Paper 402. 6pp..

Potassium fertilisation to maintain a K-balance under various farming systems.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1988. Potassium fertilisation to maintain a K-balance under various farming systems. Nutrient balances and the need for potassium. Proceedings 13th IPI Congress, Rheims, 1986. Worblaufen-Bern : IPI. pp. 199-226

Atmospheric inputs of cadmium to an arable agricultural system.

C1 - Edited contributions to conferences/learned societies

Jones, K. C., Symon, C. J. and Johnston, A. E. 1988. Atmospheric inputs of cadmium to an arable agricultural system. Air pollution and ecosystems. Proceedings International Symposium, Grenoble, 1987. Ed. P. Mathy. Dordrecht : Reidel. pp. 548-553

Keeping the balance - a Rothamsted guide.

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Powlson, D. S. 1988. Keeping the balance - a Rothamsted guide.

Nitrogen.

G - Articles in popular magazines and other technical publications

Addiscott, T. M., Jenkinson, D. S. and Powlson, D. S. 1988. Nitrogen. New Scientist. 116, p. (1594), 75.

The value of long-term experiments - a personal view.

B - Book chapters etc edited externally

Johnston, A. E. 1988. The value of long-term experiments - a personal view. in: Long-term studies in ecology : approaches and alternatives. Ed. G.E. Likens.

Rational potassium manuring for arable cropping systems.

A - Papers appearing in refereed journals

Johnston, A. E. and Goulding, K. W. T. 1988. Rational potassium manuring for arable cropping systems. Journal of the Science of Food and Agriculture. 46 (1), pp. 1-11. https://doi.org/10.1002/jsfa.2740460102

Denitrification at sub-optimal temperatures in soils from different climatic zones.

A - Papers appearing in refereed journals

Powlson, D. S., Saffigna, P. G. and Kragt-Cottaar, M. 1988. Denitrification at sub-optimal temperatures in soils from different climatic zones. Soil Biology and Biochemistry. 20 (5), pp. 719-723. https://doi.org/10.1016/0038-0717(88)90157-5

Rational K manuring. Agriculture Group Symposium : sodium and potassium in plant nutrition.

C2 - Non-edited contributions to conferences

Johnston, A. E. and Goulding, K. W. T. 1988. Rational K manuring. Agriculture Group Symposium : sodium and potassium in plant nutrition. Wiley.

Uptake by maize (Zea Mays L.) of nitrogen from 15N-labelled dazomet, 15N-labelled fertilizer and from the soil microbial biomass

A - Papers appearing in refereed journals

Chabrol, M., Powlson, D. S. and Hornby, D. 1988. Uptake by maize (Zea Mays L.) of nitrogen from 15N-labelled dazomet, 15N-labelled fertilizer and from the soil microbial biomass. Soil Biology and Biochemistry. 20 (4), pp. 517-523. https://doi.org/10.1016/0038-0717(88)90067-3

Measuring and minimising losses of fertiliser nitrogen in arable agriculture

B - Book chapters etc edited externally

Powlson, D. S. 1988. Measuring and minimising losses of fertiliser nitrogen in arable agriculture. in: Jenkinson, D. and Smith, K. A. (ed.) Nitrogen efficiency in agricultural soils London Elsevier. pp. 231-245

Kaliumdungung zur Aufrechterhaltung eines ausgeglichenen K-Versorgungsgrades unter verschiedenen Anbausystemen.

C1 - Edited contributions to conferences/learned societies

Johnston, A. E. 1988. Kaliumdungung zur Aufrechterhaltung eines ausgeglichenen K-Versorgungsgrades unter verschiedenen Anbausystemen.

Long-term changes in the polynuclear aromatic hydrocarbon content of agricultural soils.

C1 - Edited contributions to conferences/learned societies

Jones, K. C., Stratford, J. A., Waterhouse, K. S. and Johnston, A. E. 1988. Long-term changes in the polynuclear aromatic hydrocarbon content of agricultural soils. Air pollution and ecosystems. Proceedings International Symposium, Grenoble, 1987. Ed. P. Mathy. Dordrecht : Reidel. pp. 792-797

The effect of atmospheric deposition, especially of nitrogen, on grassland and woodland at Rothamsted Experimental Station, England, measured over more than 100 years.

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., Johnston, A. E. and Poulton, P. R. 1988. The effect of atmospheric deposition, especially of nitrogen, on grassland and woodland at Rothamsted Experimental Station, England, measured over more than 100 years. Air pollution and ecosystems. Proceedings International Symposium, Grenoble, 1987. Ed. P. Mathy. Dordrecht : Reidel. pp. 841-846

Rothamsted Soils and Crop Production Division and publications

A - Papers appearing in refereed journals

Johnston, A. E. 1987. Rothamsted Soils and Crop Production Division and publications. Rothamsted Experimental Station Report. 1987 (part 1), pp. 93-131;133-159.

Saxmundham Experimental Station 1899-1986 A review of the achievements during 1965-1986

A - Papers appearing in refereed journals

Johnston, A. E. 1987. Saxmundham Experimental Station 1899-1986 A review of the achievements during 1965-1986. Rothamsted Experimental Station Report. 1986 (part 2), pp. 265-279.

Effects of soil organic matter on yields of crops in long-term experiments at Rothamsted and Woburn.

A - Papers appearing in refereed journals

Johnston, A. E. 1987. Effects of soil organic matter on yields of crops in long-term experiments at Rothamsted and Woburn. INTECOL Bulletin. 15, pp. 9-16.

Retrospective analysis of an archived soil collection. I. Metals.

A - Papers appearing in refereed journals

Jones, K. C., Symon, C. J. and Johnston, A. E. 1987. Retrospective analysis of an archived soil collection. I. Metals. Science of the Total Environment. 61, pp. 131-144. https://doi.org/10.1016/0048-9697(87)90363-9

Measurement of soil microbial biomass provides an early indication of changes in total soil organic matter due to straw incorporation.

A - Papers appearing in refereed journals

Powlson, D. S., Brookes, P. C. and Christensen, B. T. 1987. Measurement of soil microbial biomass provides an early indication of changes in total soil organic matter due to straw incorporation. Soil Biology and Biochemistry. 19 (2), pp. 159-164. https://doi.org/10.1016/0038-0717(87)90076-9

Efficiency of use of spring-applied nitrogen in arable agriculture.

G - Articles in popular magazines and other technical publications

Jenkinson, D. S. and Powlson, D. S. 1987. Efficiency of use of spring-applied nitrogen in arable agriculture.

Recovery of 15N-labelled urea applied to the foliage of winter wheat.

A - Papers appearing in refereed journals

Powlson, D. S., Poulton, P. R., Penny, A. and Hewitt, M. V. 1987. Recovery of 15N-labelled urea applied to the foliage of winter wheat. Journal of the Science of Food and Agriculture. 41 (3), pp. 195-203. https://doi.org/10.1002/jsfa.2740410302

The usefulness of expressing nitrogen concentrations in crops on the basis of tissue water.

G - Articles in popular magazines and other technical publications

Leigh, R. A. and Johnston, A. E. 1987. The usefulness of expressing nitrogen concentrations in crops on the basis of tissue water. Journal of the Science of Food and Agriculture. 38 (4), pp. 317-318.

Retrospective analysis of an archived soil collection. II. Cadmium.

A - Papers appearing in refereed journals

Jones, K., Symon, C. J. and Johnston, A. E. 1987. Retrospective analysis of an archived soil collection. II. Cadmium. Science of the Total Environment. 67 (1), pp. 75-89. https://doi.org/10.1016/0048-9697(87)90067-2.

Will Europe return to fallowing?

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Will Europe return to fallowing? SPAN. 30, pp. 53-54.

Reducing nitrate pollution.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Reducing nitrate pollution.

Straw incorporation and its implications for crop protection and wildlife.

G - Articles in popular magazines and other technical publications

Johnston, A. E., Smith, B. and Patterson, D. 1987. Straw incorporation and its implications for crop protection and wildlife.

Non-fertilizer inputs of nitrogen to arable and grassland systems.

G - Articles in popular magazines and other technical publications

Powlson, D. S. and Jenkinson, D. S. 1987. Non-fertilizer inputs of nitrogen to arable and grassland systems.

Le soufre en Grande-Bretagne.

G - Articles in popular magazines and other technical publications

McGrath, S. P. and Johnston, A. E. 1987. Le soufre en Grande-Bretagne. Perspectives Agricoles. 111, pp. 45-47.

Nitrogen - maximising benefits and minimising problems.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Nitrogen - maximising benefits and minimising problems.

This week's citation classic.

G - Articles in popular magazines and other technical publications

Jenkinson, D. S. and Powlson, D. S. 1987. This week's citation classic. Current Contents. No.23, p. 18.

Rothamsted Soils Division

A - Papers appearing in refereed journals

Johnston, A. E. 1986. Rothamsted Soils Division. Rothamsted Experimental Station Report. 1986 (part 1), pp. 137-166;186-191.

Cadmium : temporal trends in archived soils from a semi-rural location in the UK In: Chemicals in the environment ed. J.M. Lester, R. Perry and, R.M. Sterritt, 553-559

D1 - Technical reports: non-confidential

Jones, K. C., Symon, C. J. and Johnston, A. E. 1986. Cadmium : temporal trends in archived soils from a semi-rural location in the UK In: Chemicals in the environment ed. J.M. Lester, R. Perry and, R.M. Sterritt, 553-559.

Recovery of 15N-labelled fertilizer applied in autumn to winter wheat at four sites in eastern England.

A - Papers appearing in refereed journals

Powlson, D. S., Hart, P. B. S., Pruden, G. and Jenkinson, D. S. 1986. Recovery of 15N-labelled fertilizer applied in autumn to winter wheat at four sites in eastern England. The Journal of Agricultural Science. 107, pp. 611-620. https://doi.org/10.1017/S002185960006977X

The nitrogen cycle in the Broadbalk Wheat Experiment : recovery and losses of 15N-labelled fertilizer applied in spring and inputs of nitrogen from the atmosphere

A - Papers appearing in refereed journals

Powlson, D. S., Pruden, G., Johnston, A. E. and Jenkinson, D. S. 1986. The nitrogen cycle in the Broadbalk Wheat Experiment : recovery and losses of 15N-labelled fertilizer applied in spring and inputs of nitrogen from the atmosphere. The Journal of Agricultural Science. 107 (3), pp. 591-609. https://doi.org/10.1017/S0021859600069768

The nitrogen cycle under continuous winter wheat

G - Articles in popular magazines and other technical publications

Jenkinson, D. S., Powlson, D. S. and Johnston, A. E. 1986. The nitrogen cycle under continuous winter wheat.

AFRC Research on straw disposal.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1986. AFRC Research on straw disposal.

Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley

A - Papers appearing in refereed journals

Leigh, R. A., Chater, M., Storey, R. and Johnston, A. E. 1986. Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley. Plant, Cell and Environment. 9 (7), pp. 595-604. https://doi.org/10.1111/1365-3040.ep11616346

An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley.

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1986. An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley. The Journal of Agricultural Science. 107 (2), pp. 329-333. https://doi.org/10.1017/S0021859600087128

Microbial phosphorus in soils.

A - Papers appearing in refereed journals

Brookes, P. C., Powlson, D. S. and Jenkinson, D. S. 1986. Microbial phosphorus in soils. Journal of the Science of Food and Agriculture. 37 (1), pp. 18-19.

Phosphate fertilisers - is water solubility important?

A - Papers appearing in refereed journals

Copestake, K. G., Johnston, A. E., Paulson, G. A. and Richards, I. R. 1986. Phosphate fertilisers - is water solubility important? Journal of the Science of Food and Agriculture. 37 (1), pp. 18-19.

Modelling the long-term residual effects of phosphorus residues in soil.

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and Lane, P. W. 1986. Modelling the long-term residual effects of phosphorus residues in soil. Journal of the Science of Food and Agriculture. 37 (1), pp. 8-19. https://doi.org/10.1002/jsfa.2740370103

Cadmium accumulation in soils from long-continued applications of superphosphate.

A - Papers appearing in refereed journals

Rothbaum, H. P., Goguel, R. L., Johnston, A. E. and Mattingly, G. E. G. 1986. Cadmium accumulation in soils from long-continued applications of superphosphate. Journal of Soil Science. 37 (1), pp. 99-107. https://doi.org/10.1111/j.1365-2389.1986.tb00011.x

Soil organic matter, effects on soils and crops

A - Papers appearing in refereed journals

Johnston, A. E. 1986. Soil organic matter, effects on soils and crops. Soil Use and Management. 2 (3), pp. 97-105. https://doi.org/10.1111/j.1475-2743.1986.tb00690.x

Sulphur - crop nutrient and fungicide.

G - Articles in popular magazines and other technical publications

McGrath, S. P. and Johnston, A. E. 1986. Sulphur - crop nutrient and fungicide. SPAN. 29, pp. 57-59.

Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted

A - Papers appearing in refereed journals

Johnston, A. E., Goulding, K. W. T. and Poulton, P. R. 1986. Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted. Soil Use and Management. 2 (1), pp. 3-10. https://doi.org/10.1111/j.1475-2743.1986.tb00669.x

Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Johnston, A. E., Lane, P. W., Mattingly, G. E. G., Poulton, P. R. and Hewitt, M. V. 1986. Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk. The Journal of Agricultural Science. 106 (1), pp. 155-167. https://doi.org/10.1017/S0021859600061864

Nitrogen concentrations in field-grown spring barley: an examination of the usefulness of expressing concentrations on the basis of tissue water

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1985. Nitrogen concentrations in field-grown spring barley: an examination of the usefulness of expressing concentrations on the basis of tissue water. The Journal of Agricultural Science. 105 (2), pp. 397-406. https://doi.org/10.1017/S0021859600056458

Yield and nitrogen-fixation of melilotus-alba

A - Papers appearing in refereed journals

McEwen, J. and Johnston, A. E. 1985. Yield and nitrogen-fixation of melilotus-alba. Field Crops Research. 12 (2), pp. 187-188. https://doi.org/10.1016/0378-4290(85)90065-6

Some applications of nuclear magnetic-resonance spectroscopy in soil science

A - Papers appearing in refereed journals

Powlson, D. S. and Randall, E. W. 1985. Some applications of nuclear magnetic-resonance spectroscopy in soil science. Journal of the Science of Food and Agriculture. 36 (4), pp. 270-271.

New techniques for analysis of N-15 in crops and soils

A - Papers appearing in refereed journals

Pruden, G., Powlson, D. S., Kalembasa, S. J. and Jenkinson, D. S. 1985. New techniques for analysis of N-15 in crops and soils. Journal of the Science of Food and Agriculture. 36 (4), pp. 277-278.

The measurement of N-15 in soil and plant-material

A - Papers appearing in refereed journals

Pruden, G., Powlson, D. S. and Jenkinson, D. S. 1985. The measurement of N-15 in soil and plant-material. Fertilizer Research. 6 (3), pp. 205-218. https://doi.org/10.1007/bf01048795

Chloroform fumigation and the release of soil nitrogen: the effects of fumigation time and temperature

A - Papers appearing in refereed journals

Brookes, P. C., Kragt, J. F., Powlson, D. S. and Jenkinson, D. S. 1985. Chloroform fumigation and the release of soil nitrogen: the effects of fumigation time and temperature. Soil Biology and Biochemistry. 17 (6), pp. 831-835. https://doi.org/10.1016/0038-0717(85)90143-9

The effect of straw incorporation on the uptake of nitrogen by winter wheat.

A - Papers appearing in refereed journals

Powlson, D. S., Jenkinson, D. S., Pruden, G. and Johnston, A. E. 1985. The effect of straw incorporation on the uptake of nitrogen by winter wheat. Journal of the Science of Food and Agriculture. 36 (1), pp. 26-30. https://doi.org/10.1002/jsfa.2740360105

Recovery of 15N-labelled fertilizer by winter wheat

B - Book chapters etc edited externally

Powlson, D. S., Pruden, G. and Jenkinson, D. S. 1984. Recovery of 15N-labelled fertilizer by winter wheat . in: In : The nitrogen requirement of cereals : proceedings of a conference organised by ADAS September 1982 London HMSO. pp. 119-120

Rothamsted Garden Clover - Red clover grown continuously since 1854 Yields, crop and soil analyses 1956-82

A - Papers appearing in refereed journals

McEwen, J., Johnston, A. E., Poulton, P. R. and Yeoman, D. P. 1984. Rothamsted Garden Clover - Red clover grown continuously since 1854 Yields, crop and soil analyses 1956-82. Rothamsted Experimental Station Report. 1983 (part 2), pp. 225-237.

Phosphorus in the soil microbial biomass

A - Papers appearing in refereed journals

Brookes, P. C., Powlson, D. S. and Jenkinson, D. S. 1984. Phosphorus in the soil microbial biomass. Soil Biology and Biochemistry. 16 (2), pp. 169-175. https://doi.org/10.1016/0038-0717(84)90108-1

A 31P nuclear magnetic resonance study of the phosphorus species in alkali extracts of soils from long-term field experiments

A - Papers appearing in refereed journals

Hawkes, G. E., Powlson, D. S., Randall, E. W. and Tate, K. R. 1984. A 31P nuclear magnetic resonance study of the phosphorus species in alkali extracts of soils from long-term field experiments. Journal of Soil Science. 35 (1), pp. 35-45. https://doi.org/10.1111/j.1365-2389.1984.tb00257.x

Rothamsted garden clover - red clover grown continuously since 1854

A - Papers appearing in refereed journals

McEwen, J., Johnston, A. E., Poulton, P. R. and Yeoman, D. P. 1983. Rothamsted garden clover - red clover grown continuously since 1854. Rothamsted Experimental Station Report. 2, pp. 225-237.

The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation

A - Papers appearing in refereed journals

Dyke, G. V., George, B. J., Johnston, A. E., Poulton, P. R. and Todd, A. D. 1983. The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation. Rothamsted Experimental Station Report. (2), pp. 5-44. https://doi.org/10.23637/ERADOC-1-34179

Towards a better understanding of critical nutrient concentrations in crops

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. Towards a better understanding of critical nutrient concentrations in crops. Journal of the Science of Food and Agriculture. 34 (3), pp. 265-266. https://doi.org/10.1002/jsfa.2740340310

The effects of fertilizers and drought on the concentrations of potassium in the dry-matter and tissue water of field-grown spring barley

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. The effects of fertilizers and drought on the concentrations of potassium in the dry-matter and tissue water of field-grown spring barley. The Journal of Agricultural Science. 101 (DEC), pp. 741-748. https://doi.org/10.1017/s0021859600038788

Concentrations of potassium in the dry-matter and tissue water of field-grown spring barley and their relationships to grain-yield

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. Concentrations of potassium in the dry-matter and tissue water of field-grown spring barley and their relationships to grain-yield. The Journal of Agricultural Science. 101 (DEC), pp. 675-685. https://doi.org/10.1017/s0021859600038703

Apparatus for applying 15N-labelled fertilizer uniformly to field micro-plots

A - Papers appearing in refereed journals

Woodcock, T. M., Pruden, G., Powlson, D. S. and Jenkinson, D. S. 1982. Apparatus for applying 15N-labelled fertilizer uniformly to field micro-plots. Journal of Agricultural Engineering Research. 27 (4), pp. 369-372. https://doi.org/10.1016/0021-8634(82)90076-2

Measurement of microbial biomass phosphorus in soil

A - Papers appearing in refereed journals

Brookes, P. C., Powlson, D. S. and Jenkinson, D. S. 1982. Measurement of microbial biomass phosphorus in soil. Soil Biology and Biochemistry. 14 (4), pp. 319-329. https://doi.org/10.1016/0038-0717(82)90001-3

Preventing phosphorus losses during perchloric acid digestion of sodium bicarbonate soil extracts

A - Papers appearing in refereed journals

Brookes, P. C. and Powlson, D. S. 1981. Preventing phosphorus losses during perchloric acid digestion of sodium bicarbonate soil extracts. Journal of the Science of Food and Agriculture. 32 (7), pp. 671-674. https://doi.org/10.1002/jsfa.2740320707

Microbially bound phosphates in soils

A - Papers appearing in refereed journals

Brookes, P. C., Powlson, D. S. and Jenkinson, D. S. 1981. Microbially bound phosphates in soils. Journal of the Science of Food and Agriculture. 32 (6), pp. 632-632.

Growth of spring barley under drought - crop development, photosynthesis, dry-matter accumulation and nutrient content

A - Papers appearing in refereed journals

Lawlor, D. W., Day, W., Johnston, A. E., Legg, B. J. and Parkinson, K. J. 1981. Growth of spring barley under drought - crop development, photosynthesis, dry-matter accumulation and nutrient content. The Journal of Agricultural Science. 96 (FEB), pp. 167-186. https://doi.org/10.1017/s002185960003197x

A comparison of the organic matter, biomass, adenosine triphosphate and mineralizable nitrogen contents of ploughed and direct-drilled soils

A - Papers appearing in refereed journals

Powlson, D. S. and Jenkinson, D. S. 1981. A comparison of the organic matter, biomass, adenosine triphosphate and mineralizable nitrogen contents of ploughed and direct-drilled soils. The Journal of Agricultural Science. 97 (3), pp. 713-721. https://doi.org/10.1017/s0021859600037084

Agricultural use of lime

A - Papers appearing in refereed journals

Johnston, A. E. 1981. Agricultural use of lime. Journal of the Science of Food and Agriculture. 32 (10), pp. 991-992.

The use of lime on agricultural soils

A - Papers appearing in refereed journals

Johnston, A. E. and Whinham, W. N. 1980. The use of lime on agricultural soils. Proceedings of the Fertiliser Society. 189, pp. 3-31.

Soils of Rothamsted Farm. The carbon and nitrogen content of the soils and the effect of changes in crop rotation and manuring on soil pH, P, K and Mg

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and McEwen, J. 1980. Soils of Rothamsted Farm. The carbon and nitrogen content of the soils and the effect of changes in crop rotation and manuring on soil pH, P, K and Mg. Rothamsted Experimental Station Report. 1980 (part 2), pp. 5-20.

Release of potassium as measured in field experiments

A - Papers appearing in refereed journals

Johnston, A. E. 1980. Release of potassium as measured in field experiments. Journal of the Science of Food and Agriculture. 31 (10), pp. 1078-1078.

Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Widdowson, F. V., Johnston, A. E. and Penny, A. 1980. Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk. The Journal of Agricultural Science. 94 (FEB), pp. 155-170. https://doi.org/10.1017/s002185960002801x

Measurement of microbial biomass in intact soil cores and in sieved soil

A - Papers appearing in refereed journals

Jenkinson, D. S. and Powlson, D. S. 1980. Measurement of microbial biomass in intact soil cores and in sieved soil. Soil Biology and Biochemistry. 12 (6), pp. 579-581. https://doi.org/10.1016/0038-0717(80)90040-1

The effects of grinding on microbial and non-microbial organic matter in soil

A - Papers appearing in refereed journals

Powlson, D. S. 1980. The effects of grinding on microbial and non-microbial organic matter in soil. Journal of Soil Science. 31 (1), pp. 77-85. https://doi.org/10.1111/j.1365-2389.1980.tb02066.x

Effect of cultivation on the mineralization of nitrogen in soil

A - Papers appearing in refereed journals

Powlson, D. S. 1980. Effect of cultivation on the mineralization of nitrogen in soil. Plant and Soil. 57 (1), pp. 151-153. https://doi.org/10.1007/bf02139653

Results from an Experiment on All-grass and Grass-clover Leys at Saxmundham, 1969-76, and Changes in Soil pH, Nitrogen, Phosphorus and Potassium due to Cropping and Manuring

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and Williams, R. J. B. 1979. Results from an Experiment on All-grass and Grass-clover Leys at Saxmundham, 1969-76, and Changes in Soil pH, Nitrogen, Phosphorus and Potassium due to Cropping and Manuring. Rothamsted Experimental Station Report. 1978 (2), pp. 99-117.

Yields of and P, K ,Ca, Mg uptakes by crops grown in an experiment testing the effects of adding peat to a sandy loam soil at Woburn 1963-1977

A - Papers appearing in refereed journals

Johnston, A. E. and Brookes, P. C. 1979. Yields of and P, K ,Ca, Mg uptakes by crops grown in an experiment testing the effects of adding peat to a sandy loam soil at Woburn 1963-1977. Rothamsted Experimental Station Report. 2, pp. 83-98.

Uranium accumulation in soils from long-continued applications of superphosphate

A - Papers appearing in refereed journals

Rothbaum, H. P., McGaveston, D. A., Wall, T., Johnston, A. E. and Mattingly, G. E. G. 1979. Uranium accumulation in soils from long-continued applications of superphosphate. Journal of Soil Science. 30 (1), pp. 147-153. https://doi.org/10.1111/j.1365-2389.1979.tb00972.x

Effects of subsoiling and deep incorporation of p-fertilizers and k-fertilizers on the yield and nutrient-uptake of barley, potatoes, wheat and sugar-beet grown in rotation

A - Papers appearing in refereed journals

McEwen, J. and Johnston, A. E. 1979. Effects of subsoiling and deep incorporation of p-fertilizers and k-fertilizers on the yield and nutrient-uptake of barley, potatoes, wheat and sugar-beet grown in rotation. The Journal of Agricultural Science. 92 (JUN), pp. 695-702. https://doi.org/10.1017/s0021859600053946

Effects of direct drilling on the amount and behavior of organic-matter in soil

A - Papers appearing in refereed journals

Powlson, D. S. and Jenkinson, D. S. 1979. Effects of direct drilling on the amount and behavior of organic-matter in soil. Journal of the Science of Food and Agriculture. 30 (3), pp. 331-332.

Effects of different watering methods, soil weights, soil diluents and soil coverings on the yield and nutrient uptake by ryegrass grown in a controlled environment

A - Papers appearing in refereed journals

Brookes, P. C., Gildon, A., Lane, P. W. and Johnston, A. E. 1979. Effects of different watering methods, soil weights, soil diluents and soil coverings on the yield and nutrient uptake by ryegrass grown in a controlled environment. Journal of the Science of Food and Agriculture. 30 (5), pp. 528-531. https://doi.org/10.1002/jsfa.2740300514

Effect of soil improvers on seedling emergence, early growth and final yield

A - Papers appearing in refereed journals

Johnston, A. E. 1979. Effect of soil improvers on seedling emergence, early growth and final yield. Journal of the Science of Food and Agriculture. 30 (3), pp. 338-338.

Adenosine-triphosphate and microbial biomass in soil

A - Papers appearing in refereed journals

Jenkinson, D. S., Davidson, S. A. and Powlson, D. S. 1979. Adenosine-triphosphate and microbial biomass in soil. Soil Biology and Biochemistry. 11 (5), pp. 521-527. https://doi.org/10.1016/0038-0717(79)90012-9

Drought experiment using mobile shelters - effect of drought on barley yield, water-use and nutrient-uptake

A - Papers appearing in refereed journals

Day, W., Legg, B. J., French, B. K., Johnston, A. E., Lawlor, D. W. and Jeffers, W. D. C. 1978. Drought experiment using mobile shelters - effect of drought on barley yield, water-use and nutrient-uptake. The Journal of Agricultural Science. 91 (DEC), pp. 599-623. https://doi.org/10.1017/s0021859600059992

The improvement of acid sulphate soils for crops other than padi

A - Papers appearing in refereed journals

Bloomfield, C. and Powlson, D. S. 1977. The improvement of acid sulphate soils for crops other than padi. Malaysian Agricultural Journal. 51 (1), pp. 62-76 ref.32.

Soil organic matter in the Hoosfield continuous barley experiment

A - Papers appearing in refereed journals

Jenkinson, D. S. and Johnston, A. E. 1977. Soil organic matter in the Hoosfield continuous barley experiment. Rothamsted Experimental Station Report. 2, pp. 87-101.

Yields on the Exhaustion Land and changes in NPK content of the soils due to cropping and manuring, 1852-1975

A - Papers appearing in refereed journals

Johnston, A. E. and Poulton, P. R. 1977. Yields on the Exhaustion Land and changes in NPK content of the soils due to cropping and manuring, 1852-1975. Rothamsted Experimental Station Report. 2, pp. 53-85.

Effect of phosphate residues on soil phosphorus values and crop yields. I. Experiments on barley, potatoes and sugar beet on sandy loam soils at Woburn England

A - Papers appearing in refereed journals

Johnston, A. E., Mattingly, G. E. G. and Poulton, P. R. 1976. Effect of phosphate residues on soil phosphorus values and crop yields. I. Experiments on barley, potatoes and sugar beet on sandy loam soils at Woburn England. Rothamsted Experimental Station Report. 1975 (2), pp. 5-35. https://doi.org/10.23637/ERADOC-1-10

Additions and removals of nitrogen and phosphorus in long-term experiments at Rothamsted and Woburn and the effect of the residues on total soil nitrogen and phosphorus [wheat, barley, England]

A - Papers appearing in refereed journals

Johnston, A. E. 1976. Additions and removals of nitrogen and phosphorus in long-term experiments at Rothamsted and Woburn and the effect of the residues on total soil nitrogen and phosphorus [wheat, barley, England]. Technical Bulletin Ministry of Agriculture Fisheries and Food. pp. 111-144.

Some factors affecting crop response to soil-phosphorus

A - Papers appearing in refereed journals

Johnston, A. E. 1976. Some factors affecting crop response to soil-phosphorus. Journal of the Science of Food and Agriculture. 27 (6), pp. 590-590.

Modern developments in an experiment on permanent grassland started in 1856 - effects of fertilizers and lime on botanical composition and crop and soil analyses

A - Papers appearing in refereed journals

Thurston, J. M., Williams, E. D. and Johnston, A. E. 1976. Modern developments in an experiment on permanent grassland started in 1856 - effects of fertilizers and lime on botanical composition and crop and soil analyses. Annales Agronomiques. 27 (5-6), pp. 1043-1082. https://doi.org/10.23637/rothamsted.8vwq8

Long-term rotation experiments at Rothamsted and Saxmundham-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Johnston, A. E. 1976. Long-term rotation experiments at Rothamsted and Saxmundham-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design. Annales Agronomiques. 27 (5-6), pp. 743-769.

Experiments on the continuous growth of arable crops at Rothamsted and Woburn-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design

A - Papers appearing in refereed journals

Johnston, A. E. and Mattingly, G. E. G. 1976. Experiments on the continuous growth of arable crops at Rothamsted and Woburn-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design. Annales Agronomiques. 27 (5-6), pp. 927-956. https://doi.org/10.23637/rothamsted.8vq51

Effects of biocidal treatments on metabolism in soil .5. Method for measuring soil biomass

A - Papers appearing in refereed journals

Jenkinson, D. S. and Powlson, D. S. 1976. Effects of biocidal treatments on metabolism in soil .5. Method for measuring soil biomass. Soil Biology and Biochemistry. 8 (3), pp. 209-213. https://doi.org/10.1016/0038-0717(76)90005-5

The effects of biocidal treatments on metabolism in soil .3. The relationship between soil biovolume, measured by optical microscopy, and the flush of decomposition caused by fumigation

A - Papers appearing in refereed journals

Jenkinson, D. S., Powlson, D. S. and Wedderburn, R. W. M. 1976. The effects of biocidal treatments on metabolism in soil .3. The relationship between soil biovolume, measured by optical microscopy, and the flush of decomposition caused by fumigation. Soil Biology and Biochemistry. 8 (3), pp. 189-202. https://doi.org/10.1016/0038-0717(76)90003-1

The effects of biocidal treatments on metabolism in soil .2. Gamma-irradiation, autoclaving, air-drying and fumigation

A - Papers appearing in refereed journals

Powlson, D. S. and Jenkinson, D. S. 1976. The effects of biocidal treatments on metabolism in soil .2. Gamma-irradiation, autoclaving, air-drying and fumigation. Soil Biology and Biochemistry. 8 (3), pp. 179-188. https://doi.org/10.1016/0038-0717(76)90002-x

The effects of biocidal treatments on metabolism in soil .1. Fumigation with chloroform

A - Papers appearing in refereed journals

Jenkinson, D. S. and Powlson, D. S. 1976. The effects of biocidal treatments on metabolism in soil .1. Fumigation with chloroform. Soil Biology and Biochemistry. 8 (3), pp. 167-177. https://doi.org/10.1016/0038-0717(76)90001-8

Woburn Experimental Farm: a hundred years of agricultural research

A - Papers appearing in refereed journals

Johnston, A. E. 1975. Woburn Experimental Farm: a hundred years of agricultural research. Journal of the Royal Agricultural Society of England. 138, pp. 18-26.

Experiments made on Stackyard Field, Woburn, 1876-1974. I. History of the Field, Details of the Cropping and Manuring and the Yields in the Continuous Wheat and Barley Experiments

A - Papers appearing in refereed journals

Johnston, A. E. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. I. History of the Field, Details of the Cropping and Manuring and the Yields in the Continuous Wheat and Barley Experiments. Rothamsted Experimental Station Report. 2, pp. 29-44. https://doi.org/10.23637/ERADOC-1-33158

The Woburn Market Garden experiment, 1942-1969. II: The effect of the treatments on soil pH, soil carbon, nitrogen, phosphorus and potassium

A - Papers appearing in refereed journals

Johnston, A. E. 1975. The Woburn Market Garden experiment, 1942-1969. II: The effect of the treatments on soil pH, soil carbon, nitrogen, phosphorus and potassium. Rothamsted Experimental Station Report. 2, pp. 102-132. https://doi.org/10.23637/ERADOC-1-33161

Experiments made on Stackyard Field, Woburn, 1876-1974. II. Effects of treatments on soil pH, P and K in the Continuous Wheat and Barley Experiments

A - Papers appearing in refereed journals

Johnston, A. E. and Chater, M. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. II. Effects of treatments on soil pH, P and K in the Continuous Wheat and Barley Experiments. Rothamsted Experimental Station Report. 2, pp. 45-60. https://doi.org/10.23637/ERADOC-1-33159

The Woburn Market Garden experiment 1942-1969 I. A history of the experiment, details of the treatments and yields of the crops

A - Papers appearing in refereed journals

Johnston, A. E. and Wedderburn, R. W. M. 1975. The Woburn Market Garden experiment 1942-1969 I. A history of the experiment, details of the treatments and yields of the crops. Rothamsted Experimental Station Report. 2, pp. 79-101. https://doi.org/10.23637/ERADOC-1-33161

Experiments made on Stackyard Field, Woburn, 1876-1974. III. Effects of NPK Fertilisers and Farmyard Manure on Soil Carbon, Nitrogen and Organic Phosphorus

A - Papers appearing in refereed journals

Mattingly, G. E. G., Chater, M. and Johnston, A. E. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. III. Effects of NPK Fertilisers and Farmyard Manure on Soil Carbon, Nitrogen and Organic Phosphorus. Rothamsted Experimental Station Report. 1974 (2), pp. 61-77. https://doi.org/10.23637/ERADOC-1-33160

Potassium in soils under different cropping systems 3. Non-exchangeable potassium in soils from long-term experiments at Rothamsted and Woburn

A - Papers appearing in refereed journals

Addiscott, T. M. and Johnston, A. E. 1975. Potassium in soils under different cropping systems 3. Non-exchangeable potassium in soils from long-term experiments at Rothamsted and Woburn. The Journal of Agricultural Science. 84, pp. 513-524.

The behaviour of K remaining in soils from the Agdell experiment at Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments

A - Papers appearing in refereed journals

Johnston, A. E. and Mitchell, J. D. D. 1974. The behaviour of K remaining in soils from the Agdell experiment at Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments. Rothamsted Experimental Station Report. 1973 (2), pp. 74-94.

The effects of ley arable systems of farming on soil potassium reserves - Report from potassium systems of grassland farming

D1 - Technical reports: non-confidential

Johnston, A. E. 1973. The effects of ley arable systems of farming on soil potassium reserves - Report from potassium systems of grassland farming. Lawes Agricultural Trust, (LAT) Harpenden. https://doi.org/10.23637/ERADOC-1-34692

Changes in soil properties caused by the new liming scheme on Park Grass

A - Papers appearing in refereed journals

Johnston, A. E. 1972. Changes in soil properties caused by the new liming scheme on Park Grass. Rothamsted Experimental Station Report. 1971 (2), pp. 177-180.

The effects of ley and arable cropping systems on the amounts of soil organic matter in the Rothamsted and Woburn ley-arable experiment

A - Papers appearing in refereed journals

Johnston, A. E. 1972. The effects of ley and arable cropping systems on the amounts of soil organic matter in the Rothamsted and Woburn ley-arable experiment. Rothamsted Experimental Station Report. 1972 (2), pp. 131-159.

The effects of ley arable systems of farming on soil potassium reserves

A - Papers appearing in refereed journals

Johnston, A. E. 1971. The effects of ley arable systems of farming on soil potassium reserves . Report from potassium systems of grassland farming. pp. 1-5.

Inhibition of nitrification in soil by carbon disulphide from rubber bungs

A - Papers appearing in refereed journals

Powlson, D. S. and Jenkinson, D. S. 1971. Inhibition of nitrification in soil by carbon disulphide from rubber bungs. Soil Biology and Biochemistry. 3 (3), pp. 267-269. https://doi.org/10.1016/0038-0717(71)90023-X

Potassium residues in soils from experiments at Rothamsted and Woburn

A - Papers appearing in refereed journals

Johnston, A. E. 1971. Potassium residues in soils from experiments at Rothamsted and Woburn. Technical Bulletin Ministry of Agriculture Fisheries and Food. 20, pp. 220-236.

The Agdell experiment - Estimates of the P and K accumulated from fertiliser dressings given between 1848-1951 their recovery by grass between 1958 and 1970 and their effect on the response by grass to new dressings of P and K

A - Papers appearing in refereed journals

Johnston, A. E. and Penny, A. 1971. The Agdell experiment - Estimates of the P and K accumulated from fertiliser dressings given between 1848-1951 their recovery by grass between 1958 and 1970 and their effect on the response by grass to new dressings of P and K. Rothamsted Experimental Station Report. 1970 (2), pp. 38-68.

Potassium in soils under different cropping systems 1. Behaviour of K remaining in soils from classical and rotation experiments at Rothamsted and Woburn and evaluation of methods of measuring soil potassium

A - Papers appearing in refereed journals

Johnston, A. E. and Addiscott, T. M. 1971. Potassium in soils under different cropping systems 1. Behaviour of K remaining in soils from classical and rotation experiments at Rothamsted and Woburn and evaluation of methods of measuring soil potassium. The Journal of Agricultural Science. 76 (3), pp. 539-552. https://doi.org/10.1017/S0021859600069549

Potassium in soils under different cropping systems. 2. The effects of cropping systems on the retention by the soils of added K not used by crops

A - Papers appearing in refereed journals

Addiscott, T. M. and Johnston, A. E. 1971. Potassium in soils under different cropping systems. 2. The effects of cropping systems on the retention by the soils of added K not used by crops. The Journal of Agricultural Science. 76, pp. 553-561.

Residual effects of soil fumigation on soil respiration and mineralization

A - Papers appearing in refereed journals

Jenkinson, D. S. and Powlson, D. S. 1970. Residual effects of soil fumigation on soil respiration and mineralization. Soil Biology and Biochemistry. 2 (2), pp. 99-108. https://doi.org/10.1016/0038-0717(70)90012-X

The value of residues from long-period manuring at Rothamsted and Woburn I Introduction

A - Papers appearing in refereed journals

Johnston, A. E. 1970. The value of residues from long-period manuring at Rothamsted and Woburn I Introduction. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 5-6. https://doi.org/10.23637/ERADOC-1-34860

The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert

A - Papers appearing in refereed journals

Johnston, A. E. 1970. The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 7-21. https://doi.org/10.23637/ERADOC-1-34861

The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made

A - Papers appearing in refereed journals

Johnston, A. E. and Warren, R. G. 1970. The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 22-38. https://doi.org/10.23637/ERADOC-1-34862

The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate

A - Papers appearing in refereed journals

Johnston, A. E., Warren, R. G. and Penny, A. 1970. The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 39-68. https://doi.org/10.23637/ERADOC-1-34863

The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers

A - Papers appearing in refereed journals

Johnston, A. E., Warren, R. G. and Penny, A. 1970. The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 69-90. https://doi.org/10.23637/ERADOC-1-34864

The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968

A - Papers appearing in refereed journals

Mattingly, G. E. G., Johnston, A. E. and Margaret Chater 1970. The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 91-112. https://doi.org/10.23637/ERADOC-1-4

The plant nutrients in crops grown on Broadbalk

A - Papers appearing in refereed journals

Johnston, A. E. 1969. The plant nutrients in crops grown on Broadbalk. Rothamsted Experimental Station Report. 2, pp. 93-115. https://doi.org/10,23637/ERADOC-1-34923

The soils of Broadbalk : Plant nutrients in Broadbalk soils

A - Papers appearing in refereed journals

Johnston, A. E. 1969. The soils of Broadbalk : Plant nutrients in Broadbalk soils. Rothamsted Experimental Station Report. 2, pp. 93-115.

Broadbalk: Historical Introduction

A - Papers appearing in refereed journals

Johnston, A. E. and Garner, H. V. 1968. Broadbalk: Historical Introduction. Rothamsted Experimental Station Report. 2, pp. 12-25.

Hoosfield Continuous Barley

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1967. Hoosfield Continuous Barley. Rothamsted Experimental Station Report. 1966, pp. 320-338.

Changes in the Park Grass experiment

A - Papers appearing in refereed journals

Warren, R. G., Johnston, A. E. and Cooke, G. W. 1965. Changes in the Park Grass experiment. Rothamsted Experimental Station Report. 1964, pp. 224-228.

Notes on the use of soil analysis for estimating available P in Rothamsted soils

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1965. Notes on the use of soil analysis for estimating available P in Rothamsted soils. Technical Bulletin Ministry of Agriculture Fisheries and Food. 13, pp. 30-37.

The Park Grass Experiment

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1964. The Park Grass Experiment. Rothamsted Experimental Station Report. 1963, pp. 240-262.

Barnfield

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1962. Barnfield. Rothamsted Experimental Station Report. 1961, pp. 227-247. https://doi.org/10.23637/ERADOC-1-37013

The accumulation and loss of soil potassium in long-term experiments, Rothamsted and Woburn

A - Papers appearing in refereed journals

Warren, R. G., Johnston, A. E. and Arnold, P. W. 1962. The accumulation and loss of soil potassium in long-term experiments, Rothamsted and Woburn. Proceedings of the Fertiliser Society. 72, pp. 5-24.

The Exhaustion Land site

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1960. The Exhaustion Land site. Rothamsted Experimental Station Report. 1959, pp. 230-239.