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

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, pp. 517-523.

Related outputs

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.

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.

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 .

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., 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.

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.

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.

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.

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.

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.

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

C1 - Edited contributions to conferences/learned societies

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. Sustainable Intensification 2017, Aspects of Applied Biology 136, Rothamsted Research, 28-30 November 2017. Association of Applied Biologists (AAB).

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.

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. (9 August), pp. 1-35.

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.

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.

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.

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.

Development of a biotic index using stream macroinvertebrates to assess stress from deposited fine sediment

A - Papers appearing in refereed journals

Murphy, J. F., Jones, J. I., Pretty, J. L., Duerdoth, C. P., Hawczak, A., Arnold, A., Blackburn, J. H., Naden, P. S., Old, G., Sear, D. A., Hornby, D., Clarke, R. T. and Collins, A. L. 2015. Development of a biotic index using stream macroinvertebrates to assess stress from deposited fine sediment. Freshwater Biology. 60 (10), pp. 2019-2036.

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.

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.

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

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.

The Rothamsted Long-term Experiments

C1 - Edited contributions to conferences/learned societies

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. Valuing long-term sites and experiments for agriculture and ecology. Aspects of Applied Biology 128 . Association of Applied Biologists (AAB). pp. 1-10

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.

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.

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.

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.

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.

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 of the United States of America - PNAS. 110 (21), pp. 8375-8380.

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 of the United States of America - PNAS. 110, p. E984.

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 .

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.

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.

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.

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

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.

Obituary: 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. Obituary: David Stewart Jenkinson FRS: 25th February 1928-16th February 2011. Soil Biology and Biochemistry. 44, pp. 152-156.

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.

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 .

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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.

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.

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. T., 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.

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. 146 (2), pp. 193-201.

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.

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.

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

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.

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.

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.

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 .

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

Effects of sowing date and volunteers on the infectivity of soil infested with Gaeumannomyces graminis var. tritici and on take-all disease in successive crops of winter wheat

A - Papers appearing in refereed journals

Gutteridge, R. J. and Hornby, D. 2003. Effects of sowing date and volunteers on the infectivity of soil infested with Gaeumannomyces graminis var. tritici and on take-all disease in successive crops of winter wheat. Annals of Applied Biology. 143 (3), pp. 275-282.

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 .

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.

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.

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.

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

C1 - Edited contributions to conferences/learned societies

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. Biomass and Energy Crops II. 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.

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.

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, pp. 1121-1128.

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.

Balance upset

G - Articles in popular magazines and other technical publications

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

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

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.

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.

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, pp. 428-429.

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, pp. 209-216.

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.

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), p. 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.

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.

Tackling nitrate from agriculture

A - Papers appearing in refereed journals

Powlson, D. S. 2000. Tackling nitrate from agriculture. Soil Use and Management. 16, p. 141.

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.

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

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, pp. 659-668.

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.

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 .

Comparison of natural and artificial epidemics of take-all in sequences of winter wheat crops

A - Papers appearing in refereed journals

Bateman, G. L. and Hornby, D. 1999. Comparison of natural and artificial epidemics of take-all in sequences of winter wheat crops. Annals of Applied Biology. 135 (3), pp. 555-571.

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

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.

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

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.

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.

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

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

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.

Take-all disease of cereals. A regional perspective

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

Hornby, D., Bateman, G. L., Gutteridge, R. J., Lucas, P., Osbourn, A. E., Ward, E. and Yarham, D. J. 1998. Take-all disease of cereals. A regional perspective. CABI International, Wallingford, Oxon (CABI).

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.

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.

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, p. 123.

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, pp. 263-274.

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

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.

Using 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 long-term experiments at Rothamsted to address current agricultural and environmental issues. Archives of Agronomy and Soil Science. 42 (6), pp. 455-478.

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, pp. 25-38.

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.

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

C1 - Edited contributions to conferences/learned societies

Powlson, D. S. 1997. Managing nutrient supplies to meet agricultural and environmental goals. Optimising Cereal Inputs: its Scientific Basis. 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.

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.

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, pp. 125-154.

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.

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.

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.

Potential use of plant root pathogens as bioindicators of soil health

B - Book chapters etc edited externally

Hornby, D. and Bateman, G. L. 1997. Potential use of plant root pathogens as bioindicators of soil health. in: E, Pankhurst, C., Gupta, V. V. S. R. and Doube, B. M. (ed.) Biological indicators of soil health CABI International, Wallingford, Oxon (CABI). pp. 179-200

Comparisons of isolates of the take-all fungus, Gaeumannomyces graminis var. tritici , from different cereal sequences using DNA probes and non-molecular methods

A - Papers appearing in refereed journals

Bateman, G. L., Ward, E., Hornby, D. and Gutteridge, R. J. 1997. Comparisons of isolates of the take-all fungus, Gaeumannomyces graminis var. tritici , from different cereal sequences using DNA probes and non-molecular methods. Soil Biology and Biochemistry. 29, pp. 1225-1232.

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

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

C2 - Non-edited contributions to conferences

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. Wiley.

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, pp. 76-85.

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

Plant genotype, micronutrient fertilization and take-all infection influence bacterial populations in the rhizosphere of wheat

A - Papers appearing in refereed journals

Rengel, Z., Gutteridge, R. J., Hirsch, P. R. and Hornby, D. 1996. Plant genotype, micronutrient fertilization and take-all infection influence bacterial populations in the rhizosphere of wheat. Plant and Soil. 183 (2), pp. 269-277.

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.

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.

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.

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

A - Papers appearing in refereed journals

Willison, T. W., Cook, R., Müller, A. and Powlson, D. S. 1996. CH4 oxidation in soils fertilized with organic and inorganic-N; differential effects. Soil Biology and Biochemistry. 28, pp. 135-136.

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

B - Book chapters etc edited externally

Jarvis, S. C., Stockdale, E. A., Shepherd, M. A. and Powlson, D. S. 1996. Nitrogen mineralization in temperate agricultural soils: processes and measurement. in: Sparks, D. L. (ed.) Advances in Agronomy (Vol. 57) Academic Press Inc Elsevier Science.

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, pp. 241-247.

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.

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 .

The natural biological control phenomenon of take-all decline in different sequences of cereals

B - Book chapters etc edited externally

Hornby, D. and Gutteridge, R. J. 1995. The natural biological control phenomenon of take-all decline in different sequences of cereals. in: Manka, M. (ed.) Environmental biotic factors in integrated plant disease control Polish Phytopathological Society, Poznan. pp. 53-60

Take-all of cereals: challenges of field experimentation on a patch-forming disease caused by a soil-borne pathogen

C1 - Edited contributions to conferences/learned societies

Bateman, G. L. and Hornby, D. 1995. Take-all of cereals: challenges of field experimentation on a patch-forming disease caused by a soil-borne pathogen. Field Experiment Techniques. Aspects of Applied Biology 43 . pp. 31-38

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.

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.

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 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.

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.

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.

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

Wanted! Omphalina pyxidata

G - Articles in popular magazines and other technical publications

Hornby, D. and Ward, E. 1995. Wanted! Omphalina pyxidata. Mycologist. 9, p. 36.

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

Different cereal sequences to manage the natural biological control phenomenon of take-all decline

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1994. Different cereal sequences to manage the natural biological control phenomenon of take-all decline. Abstracts 3rd EFPP Conference on Environmental Biotic Factors in Integrated Plant Disease Control, Poznan, 5th-9th September 1994 . pp. 28

Report on trials of Mon 41144 at Rothamsted 1992-93

D1 - Technical reports: non-confidential

Hornby, D. 1994. Report on trials of Mon 41144 at Rothamsted 1992-93. Confidential Report to Monsanto.

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.

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

Aspects of the autecology of the take-all fungus

B - Book chapters etc edited externally

Hornby, D. 1994. Aspects of the autecology of the take-all fungus. in: Blakeman, J. P. and Williamson, B. (ed.) Ecology of plant pathogens CABI International, Wallingford, Oxon (CABI). pp. 209-226

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

C2 - Non-edited contributions to conferences

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

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

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

Evaluation of fungicides applied to soil to control naturally- occurring take-all using a balanced-incomplete-block design and very small plots

A - Papers appearing in refereed journals

Bateman, G. L., Hornby, D., Payne, R. W. and Nicholls, P. H. 1994. Evaluation of fungicides applied to soil to control naturally- occurring take-all using a balanced-incomplete-block design and very small plots. Annals of Applied Biology. 124 (2), pp. 241-251.

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 .

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.

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

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.

Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs

A - Papers appearing in refereed journals

Gutteridge, R. J., Hornby, D., Hollins, T, W and Prew, R. D. 1993. Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs. Plant Pathology. 42 (3), pp. 425-431.

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.

Take-all disease patterns in fields

C2 - Non-edited contributions to conferences

Hornby, D. and Bateman, G. L. 1993. Take-all disease patterns in fields. Abstracts 6th International Congress of Plant Pathology, Montreal, 28 July-6 August 1993 . pp. 99

Comparison of take-all in different cereals in monoculture and in cereal rotations

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1993. Comparison of take-all in different cereals in monoculture and in cereal rotations. Abstracts 6th International Congress of Plant Pathology, Montreal, 28 July-6 August 1993 . pp. 265

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 .

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.

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.

Field tests of bacteria and soil-applied fungicides as control agents for take-all in winter wheat

A - Papers appearing in refereed journals

Hornby, D., Bateman, G. L., Payne, R. W., Brown, M. E., Henden, D. R. and Campbell, R. 1993. Field tests of bacteria and soil-applied fungicides as control agents for take-all in winter wheat. Annals of Applied Biology. 122 (2), pp. 253-270.

Experiments for testing treatments to control take-all

C2 - Non-edited contributions to conferences

Payne, R. W., Hornby, D. and Bateman, G. L. 1992. Experiments for testing treatments to control take-all. Proceedings XVIth International Biometric Conference, Hamilton, New Zealand, 7-11 December 1992 . pp. 176

New information about take-all decline and its relevance to research on the control of take-all by biological control agents

B - Book chapters etc edited externally

Hornby, D. 1992. New information about take-all decline and its relevance to research on the control of take-all by biological control agents. in: Cook, R. J., Tjamos, E. C. and Papavizas, G. (ed.) Biological control of plant diseases: progress and challenges for the future Plenum, New York. pp. 95-98

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

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.

The changing face of take-all: evidence, causes and implications

C1 - Edited contributions to conferences/learned societies

Hornby, D. 1992. The changing face of take-all: evidence, causes and implications. Mercer, P. C. and Mccracken, A. R. (ed.) Proceedings BSPP/SIPP Conference on Disease Management in Relation to Changing Agricultural Practice, Belfast, April 1992. pp. 58-64

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

C1 - Edited contributions to conferences/learned societies

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. Nitrate and Farming Systems. Aspects of Applied Biology .

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.

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, pp. 101-107.

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

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

Managing the nitrogen cycle to minimise losses

C2 - Non-edited contributions to conferences

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

Analysis of disease-progress curves for take-all in consecutive crops of winter wheat

A - Papers appearing in refereed journals

Werker, A. R., Gilligan, C. A. and Hornby, D. 1991. Analysis of disease-progress curves for take-all in consecutive crops of winter wheat. Plant Pathology. 40 (1), pp. 8-24.

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

Analysis of disease-progress curves for take-all in consectuive crops of winter whaet

A - Papers appearing in refereed journals

Werker, A. R., Gilligan, C. A. and Hornby, D. 1991. Analysis of disease-progress curves for take-all in consectuive crops of winter whaet. Plant Pathology. 40, pp. 8-24.

Special thematic issue

B - Book chapters etc edited externally

Hornby, D. 1990. Special thematic issue. in: Hornby, D. (ed.)

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

C1 - Edited contributions to conferences/learned societies

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. Cereal Quality II. Aspects of Applied Biology 25. pp. 301-308

Effects of take-all on some aspects of grain quality of winter wheat

C1 - Edited contributions to conferences/learned societies

Bateman, G. L., Hornby, D. and Gutteridge, R. J. 1990. Effects of take-all on some aspects of grain quality of winter wheat. Cereal Quality II. Aspects of Applied Biology 25. pp. 339-348

Artificial infestation of soil with Gaeumannomyces graminis var. tritici to study the relationship between take-all and wheat yields in field experiments

A - Papers appearing in refereed journals

Hornby, D. and Bateman, G. L. 1990. Artificial infestation of soil with Gaeumannomyces graminis var. tritici to study the relationship between take-all and wheat yields in field experiments. Soil Use and Management. 6 (4), pp. 209-217.

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

Experiments in England and France on fertilisers, fungicides and agronomic practices to decrease take-all.

C1 - Edited contributions to conferences/learned societies

Hornby, D., Bateman, G. L. and Gutteridge, R. J. 1990. Experiments in England and France on fertilisers, fungicides and agronomic practices to decrease take-all. Proceedings Brighton Crop Protection Conference - Pests and Diseases, 1990.. pp. 771-776.

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..

Root diseases.

B - Book chapters etc edited externally

Hornby, D. 1990. Root diseases. in: The rhizosphere . J.M. Lynch, ed. pp. 233-258

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: 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: Nutrient cycling in terrestial ecosystems. Field methods, application and interpretation. A.F. Harrison, P. Ineson & O.W. Heal, eds Elsevier, London. pp. 56-68

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.

An experimental design and procedures for testing putative controls against naturally-occurring take-all in the field.

A - Papers appearing in refereed journals

Hornby, D., Bateman, G. L., Payne, R. W., Brown, M. E. and Henden, D. R. 1989. An experimental design and procedures for testing putative controls against naturally-occurring take-all in the field. Annals of Applied Biology. 115 (2), pp. 195-208.

Artificial epidemics to study the effects of take-all on yield.

B - Book chapters etc edited externally

Bateman, G. L. and Hornby, D. 1989. Artificial epidemics to study the effects of take-all on yield. in: Roots and the soil environment. Aspects of Applied Biology 22 pp. 435-436

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.

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.

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, pp. 529-533.

Effects of aldicarb, benomyl, dazomet, permethrin, pirimicarb, phorate and nitrogen fertiliser on maize (Zea mays ) grown for 14 consecutive years on the same site.

A - Papers appearing in refereed journals

Barnard, A. J., McEwen, J., Hornby, D. and Beane, J. 1989. Effects of aldicarb, benomyl, dazomet, permethrin, pirimicarb, phorate and nitrogen fertiliser on maize (Zea mays ) grown for 14 consecutive years on the same site. The Journal of Agricultural Science. 112, pp. 339-349.

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.

C1 - Edited contributions to conferences/learned societies

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.

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.

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.

Known and supposed factors affecting take-all in winter wheat.

C2 - Non-edited contributions to conferences

Hornby, D. and Gutteridge, R. J. 1988. Known and supposed factors affecting take-all in winter wheat. Abstracts 5th International Congress of Plant Pathology, Kyoto, 1988, 191  .

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.

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, pp. 719-723.

Field testing putative biological controls of take-all: rationale and results.

C1 - Edited contributions to conferences/learned societies

Hornby, D. 1988. Field testing putative biological controls of take-all: rationale and results.

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

Take-all control : first understand the enemy.

G - Articles in popular magazines and other technical publications

Hornby, D. 1988. Take-all control : first understand the enemy. Farmers Weekly. 108 (9), p. 24.

Comparison of the effects of spring applications of ammonium chloride and other nitrogen fertilizers on take-all in winter wheat.

A - Papers appearing in refereed journals

Gutteridge, R. J., Bateman, G. L. and Hornby, D. 1987. Comparison of the effects of spring applications of ammonium chloride and other nitrogen fertilizers on take-all in winter wheat. The Journal of Agricultural Science. 108, pp. 567-572.

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.

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.

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.

Effects of nitrate and ammonium on wheat roots in gnotobiotic culture: amino acids, cortical cell death and take-all (caused by Gaeumannomyces graminis var. tritici)

A - Papers appearing in refereed journals

Brown, M. E. and Hornby, D. 1987. Effects of nitrate and ammonium on wheat roots in gnotobiotic culture: amino acids, cortical cell death and take-all (caused by Gaeumannomyces graminis var. tritici). Soil Biology and Biochemistry. 19 (5), pp. 567-573.

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.

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.

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.

The nitrogen cycle under continuous 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 wheat.

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.

Epidemics of take-all during 16 years of continuous spring barley.

A - Papers appearing in refereed journals

Hornby, D. and Henden, D. R. 1986. Epidemics of take-all during 16 years of continuous spring barley. Annals of Applied Biology. 108 (2), pp. 251-264.

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.

Gibellina cerealis , an unusual pathogen of wheat

A - Papers appearing in refereed journals

Glynne, M. D., Fitt, B. D. L. and Hornby, D. 1985. Gibellina cerealis , an unusual pathogen of wheat. Transactions of the British Mycological Society. 84 (4), pp. 653-659.

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.

Soil nutrients and take-all

A - Papers appearing in refereed journals

Hornby, D. 1985. Soil nutrients and take-all. Outlook on Agriculture. 14, pp. 122-128.

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.

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.

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.

Akenomyces-costatus sp-nov and the validation of akenomyces arnaud

A - Papers appearing in refereed journals

Hornby, D. 1984. Akenomyces-costatus sp-nov and the validation of akenomyces arnaud. Transactions of the British Mycological Society. 82 (JUN), pp. 653-664.

Suppressive soils

A - Papers appearing in refereed journals

Hornby, D. 1983. Suppressive soils. Annual Review of Phytopathology. 21, pp. 65-85.

Some causes of yield variation in an intensive spring barley experiment at Woburn, 1972-8

A - Papers appearing in refereed journals

Hornby, D., Henden, D. R. and Catt, J. A. 1983. Some causes of yield variation in an intensive spring barley experiment at Woburn, 1972-8. The Journal of Agricultural Science. 100 (FEB), pp. 175-189.

Use of triple-labeled nutrient solution to study the effects of root-infecting fungi on uptake of potassium, calcium and phosphorus by wheat

A - Papers appearing in refereed journals

Fitt, B. D. L., Smith, G. J. and Hornby, D. 1982. Use of triple-labeled nutrient solution to study the effects of root-infecting fungi on uptake of potassium, calcium and phosphorus by wheat. Plant and Soil. 66 (3), pp. 405-410.

The effects of dazomet and nitrogen-fertilizer on successive crops of maize (zea-mays-l) grown for either grain or forage

A - Papers appearing in refereed journals

Barnard, A. J. and Hornby, D. 1982. The effects of dazomet and nitrogen-fertilizer on successive crops of maize (zea-mays-l) grown for either grain or forage. The Journal of Agricultural Science. 98 (FEB), pp. 7-15.

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.

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.

Effects of root-infecting fungi on structure and function of cereal roots

A - Papers appearing in refereed journals

Hornby, D. and Fitt, B. D. L. 1981. Effects of root-infecting fungi on structure and function of cereal roots. Effects of disease on the physiology of the growing plant.

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.

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.

Methods of producing perithecia of gaeumannomyces-graminis and their application to related fungi

A - Papers appearing in refereed journals

Holden, M. and Hornby, D. 1981. Methods of producing perithecia of gaeumannomyces-graminis and their application to related fungi. Transactions of the British Mycological Society. 77 (AUG), pp. 107-118.

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.

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.

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.

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.

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.

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.

Microbial antagonisms in rhizosphere

A - Papers appearing in refereed journals

Hornby, D. 1978. Microbial antagonisms in rhizosphere. Annals of Applied Biology. 89 (1), pp. 97-100.

Effects of root-infecting fungi on wheat transport processes and growth

A - Papers appearing in refereed journals

Fitt, B. D. L. and Hornby, D. 1978. Effects of root-infecting fungi on wheat transport processes and growth. Physiological Plant Pathology. 13 (3), pp. 335-346.

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.

Nitrate and ammonium in rhizosphere of wheat crops and concurrent observations of take-all

A - Papers appearing in refereed journals

Hornby, D. and Brown, M. E. 1977. Nitrate and ammonium in rhizosphere of wheat crops and concurrent observations of take-all. Plant and Soil. 48 (2), pp. 455-471.

Gaeumannomyces-cylindrosporus, a new ascomycete from cereal roots

A - Papers appearing in refereed journals

Hornby, D., Slope, D. B., Gutteridge, R. J. and Sivanesan, A. 1977. Gaeumannomyces-cylindrosporus, a new ascomycete from cereal roots. Transactions of the British Mycological Society. 69 (AUG), pp. 21-25.

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.

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.

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.

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.

Decrease of take-all by a transmissible factor in take-all decline soils

A - Papers appearing in refereed journals

Pope, A. M. S. and Hornby, D. 1975. Decrease of take-all by a transmissible factor in take-all decline soils. Annals of Applied Biology. 81 (2), pp. 145-160.

Virus-like particles in take-all fungus, gaeumannomyces-graminis

A - Papers appearing in refereed journals

Rawlinson, C. J., Hornby, D., Pearson, V. and Carpenter, J. M. 1973. Virus-like particles in take-all fungus, gaeumannomyces-graminis. Annals of Applied Biology. 74 (2), pp. 197-+.

Microbial populations and nitrogen in soil growing consecutive cereal crops infected with take-all

A - Papers appearing in refereed journals

Brown, M. E., Hornby, D. and Pearson, V. 1973. Microbial populations and nitrogen in soil growing consecutive cereal crops infected with take-all. Journal of Soil Science. 24 (3), pp. 296-310.

Effects of dazomet and fertilizer nitrogen on field beans (Vicia faba L.)

A - Papers appearing in refereed journals

McEwen, J., Salt, G. A. and Hornby, D. 1973. Effects of dazomet and fertilizer nitrogen on field beans (Vicia faba L.). The Journal of Agricultural Science. 80 (FEB), pp. 105-110.

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.

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.