Why are long-term experiments important?

Poulton, P. R. 2012. Why are long-term experiments important? Izvestiya Timiryazevskoi Sel'skokhozyaistvennoi Akademii. 3, pp. 36-45.

Related outputs

Decrease in soil test phosphorus levels under omitted phosphorus fertilizer application

A - Papers appearing in refereed journals

Steinfurth, K., Borjesson, G., Denoroy, P., Eichler-Lobermann, B., Gans, W., Heyn, J., Hirte, J., Jansen, F., Koch, D., Merbach, I., Mollier, A., Morel, C., Panten, K., Peiter, E., Poulton, P. R., Reitz, T., Rubæk, G. H., Spiegel, H., Laak, M. V., Tucher, S. V. and Buczko, U. 2024. Decrease in soil test phosphorus levels under omitted phosphorus fertilizer application. Soil Use and Management. 40 (3), p. e13088. https://doi.org/10.1111/sum.13088

Using long-term experiments to assess statistical models for determining critical P fertilisation thresholds

A - Papers appearing in refereed journals

Jordan-Meille, L., Mollier, A., Poulton, P. R., Glendining, M. J., Jouany, C., Gratecap, J. -., Hanocq, D., Montagnier, C. and Denoroy, P. 2024. Using long-term experiments to assess statistical models for determining critical P fertilisation thresholds. European Journal of Agronomy. 158 (August), p. 127220. https://doi.org/10.1016/j.eja.2024.127220

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

D1 - Technical reports: non-confidential

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

Thresholds of target phosphorus fertility classes in European fertilizer recommendations in relation to critical soil test phosphorus values derived from the analysis of 55 European long-term field experiment

A - Papers appearing in refereed journals

Steinfurth, K., Borjesson, G., Denoroy, P., Eichler-Lobermann, B., Gans, W., Heyn, J., Hirte, J., Huyghebaert, B., Jouany, C., Koch, D., Merbach, I., Mokry, M., Mollier, A., Morel, C., Panten, K., Peiter, E., Poulton, P. R., Reitz, T., Rubaek, G. H., Spiegel, H., Van Laak, M., Von Tucher, S. and Buczko, U. 2022. Thresholds of target phosphorus fertility classes in European fertilizer recommendations in relation to critical soil test phosphorus values derived from the analysis of 55 European long-term field experiment. Agriculture, Ecosystems & Environment. 332, p. 107926. https://doi.org/10.1016/j.agee.2022.107926

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

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

Agricultural Landscapes: History, Status and Challenges

B - Book chapters etc edited externally

Muller, L., Eulenstein, F., Dronin, N. M., Mirschel, W., McKensie, B. M., Antrop, M., Jones, M., Dannowski, R., Schindler, U., Behrendt, A., Rukhovich, O. V., Sychev, V. G., Scheudzhen, A. K., Romanenkov, V. A., Trofimov, I., Robinson, G. M., Schreg, R., Blum, W. E. H., Salnjikov, E., Saparov, A., Pachikin, K., Rombke, J., Manton, M., Angelstam, P., Hennings, V. and Poulton, P. R. 2021. Agricultural Landscapes: History, Status and Challenges. in: Mueller, L., Sychev, V. G., Dronin, N. M. and Eulenstein, F. (ed.) Exploring and Optimizing Agricultural Landscapes. Innovations in Landscape Research Springer.

Long-term agricultural research at Rothamsted

B - Book chapters etc edited externally

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

The effects of cropping sequence, fertilization, and straw management on the yield stability of winter wheat (1986–2017) in the Broadbalk Wheat Experiment, Rothamsted, UK.

A - Papers appearing in refereed journals

Macholdt, J., Piepho, H-P., Honermeier, B., Perryman, S. A. M., Macdonald, A. J. and Poulton, P. R. 2020. The effects of cropping sequence, fertilization, and straw management on the yield stability of winter wheat (1986–2017) in the Broadbalk Wheat Experiment, Rothamsted, UK. The Journal of Agricultural Science. 158 (1-2), pp. 65-79. https://doi.org/10.1017/S0021859620000301

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

A - Papers appearing in refereed journals

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

4 Per Mille – Is It Feasible to sequester

C2 - Non-edited contributions to conferences

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

Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive

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

Macdonald, A. J., Poulton, P. R., Clark, I. M., Scott, T., Glendining, M. J., Perryman, S. A. M., Storkey, J., Bell, J. R., Shield, I. F., Mcmillan, V. E. and Hawkins, J. M. B. Macdonald, A. J. (ed.) 2018. Rothamsted Long-term experiments : guide to the classical and other long-term experiments, datasets and sample archive. Rothamsted Research, Harpenden.

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

A - Papers appearing in refereed journals

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

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

C2 - Non-edited contributions to conferences

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

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

A - Papers appearing in refereed journals

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

The electronic Rothamsted Archive (e-RA): an online resource for data from the Rothamsted long-term experiments

A - Papers appearing in refereed journals

Perryman, S. A. M., Castells-Brooke, N. I. D., Glendining, M. J., Goulding, K. W. T., Hawkesford, M. J., Macdonald, A. J., Ostler, R. J., Poulton, P. R., Rawlings, C. J., Scott, T. and Verrier, P. J. 2018. The electronic Rothamsted Archive (e-RA): an online resource for data from the Rothamsted long-term experiments. Scientific Data. 5, p. 180072. https://doi.org/10.1038/sdata.2018.72

Sustainable Intensification - Lessons from the Rothamsted Long-term Experiments

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Potassium management in soils and crops: a review

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

Grassland biodiversity bounces back from long-term nitrogen addition

A - Papers appearing in refereed journals

Storkey, J., Macdonald, A. J., Poulton, P. R., Scott, T., Kohler, I. H., Schnyder, H., Goulding, K. W. T. and Crawley, M. J. 2015. Grassland biodiversity bounces back from long-term nitrogen addition. Nature. 528, pp. 401-404. https://doi.org/10.1038/nature16444

The Rothamsted Long-term Experiments

A - Papers appearing in refereed journals

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

High-resolution spatial patterns of soil organic carbon content derived from low-altitude aerial multi-band imagery on the Broadbalk Wheat Experiment at Rothamsted, UK

C2 - Non-edited contributions to conferences

Aldana Jague, E., Goulding, K. W. T., Heckrath, G., Macdonald, A. J., Poulton, P. R., Stevens, A., Van Wesemael, B. and Van Oost, K. 2014. High-resolution spatial patterns of soil organic carbon content derived from low-altitude aerial multi-band imagery on the Broadbalk Wheat Experiment at Rothamsted, UK. European Geosciences Union (EGU).

Critical soil phosphate for combinable crops in Southern Britain

C1 - Edited contributions to conferences/learned societies

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

Changing concepts for the efficient use of phosphorus in agriculture

C1 - Edited contributions to conferences/learned societies

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

The efficient use of phosphorus in agriculture

G - Articles in popular magazines and other technical publications

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

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

D1 - Technical reports: non-confidential

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

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

D1 - Technical reports: non-confidential

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

Phosphorus: its efficient use in agriculture

B - Book chapters etc edited externally

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

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

B - Book chapters etc edited externally

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

Critical soil phosphate levels for cereal and oilseed rape crop rotations

G - Articles in popular magazines and other technical publications

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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 .

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

A - Papers appearing in refereed journals

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

Long-term removal of wheat straw decreases soil amorphous silica at Broadbalk winter wheat experiment, Rothamsted

C2 - Non-edited contributions to conferences

Guntzer, F., Keller, C., Poulton, P. R., McGrath, S. P. and Meunier, J-D. 2012. Long-term removal of wheat straw decreases soil amorphous silica at Broadbalk winter wheat experiment, Rothamsted. Abstracts 4th International Congress Eurosoil 2012, Bari, 2-6 July 2012 . pp. 80

Long-term removal of wheat straw decreases soil amorphous silica at Broadbalk, Rothamsted

A - Papers appearing in refereed journals

Guntzer, F., Keller, C., Poulton, P. R., McGrath, S. P. and Meunier, J-D. 2012. Long-term removal of wheat straw decreases soil amorphous silica at Broadbalk, Rothamsted. Plant and Soil. 352 (1-2), pp. 173-184. https://doi.org/10.1007/s11104-011-0987-4

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

A - Papers appearing in refereed journals

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

Manuring and stable nitrogen isotope ratios in cereals and pulses: towards a new archaeobotanical approach to the inference of land use and dietary practices

A - Papers appearing in refereed journals

Fraser, R. A., Bogaard, A., Heaton, T., Charles, M., Jones, G., Christensen, B. T., Halstead, P., Merbach, I., Poulton, P. R., Sparkes, D. and Styring, A. K. 2011. Manuring and stable nitrogen isotope ratios in cereals and pulses: towards a new archaeobotanical approach to the inference of land use and dietary practices. Journal Of Archaeological Science. 38, pp. 2790-2804. https://doi.org/10.1016/j.jas.2011.06.024

Long-term bare fallow experiments: new opportunities for studying stable soil carbon

A - Papers appearing in refereed journals

Barre, P., Eglin, T., Christensen, B. T., Ciais, P., Houot, S., Katterer, T., Kogut, B., Van Oort, F., Peylin, P., Poulton, P. R., Romanenkov, V. and Chenu, C. 2011. Long-term bare fallow experiments: new opportunities for studying stable soil carbon. Agrokhimia. 12, pp. 28-36.

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

D1 - Technical reports: non-confidential

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

Corrigendum: Increases in soil organic carbon sequestration can reduce the global warming potential of long-term liming to permanent grassland

A - Papers appearing in refereed journals

Fornara, D. A., Steinbeiss, S., Mcnamara, N. P., Gleixner, G., Oakley, S., Poulton, P. R., Macdonald, A. J. and Bardgett, R. D. 2011. Corrigendum: Increases in soil organic carbon sequestration can reduce the global warming potential of long-term liming to permanent grassland. Global Change Biology. 17 (8), p. 2762. https://doi.org/10.1111/j.1365-2486.2011.02445.x

Increases in soil organic carbon sequestration can reduce the global warming potential of long-term liming to permanent grassland

A - Papers appearing in refereed journals

Fornara, D. A., Steinbeiss, S., Mcnamara, N. P., Gleixner, G., Oakley, S., Poulton, P. R., Macdonald, A. J. and Bardgett, R. D. 2011. Increases in soil organic carbon sequestration can reduce the global warming potential of long-term liming to permanent grassland. Global Change Biology. 17 (5), pp. 1925-1934. https://doi.org/10.1111/j.1365-2486.2010.02328.x

Quantifying and isolating stable soil organic carbon using long-term bare fallow experiments

A - Papers appearing in refereed journals

Barre, P., Eglin, T., Christensen, B. T., Ciais, P., Houot, S., Katterer, T., Van Oort, F., Peylin, P., Poulton, P. R., Romanenkov, V. and Chenu, C. 2010. Quantifying and isolating stable soil organic carbon using long-term bare fallow experiments. Biogeosciences. 7, pp. 3839-3850. https://doi.org/10.5194/bg-7-3839-2010

Environmental myopia: a diagnosis and a remedy

A - Papers appearing in refereed journals

Silvertown, J., Tallowin, J. R. B., Stevens, C., Power, S. A., Morgan, V., Emmett, B., Hester, A., Grime, P. J., Morecroft, M., Buxton, R., Poulton, P. R., Jinks, R. and Bardgett, R. D. 2010. Environmental myopia: a diagnosis and a remedy. Trends In Ecology & Evolution. 25, pp. 556-561. https://doi.org/10.1016/j.tree.2010.06.015

Effects of nutrient availability on intrinsic water-use efficiency of temperate semi-natural grassland under rising atmospheric CO2 during the last century

C2 - Non-edited contributions to conferences

Kohler, I., Poulton, P. R., Macdonald, A. J., Auerswald, K. and Schnyder, H. 2010. Effects of nutrient availability on intrinsic water-use efficiency of temperate semi-natural grassland under rising atmospheric CO2 during the last century. Abstracts Grassland in a Changing World: 23rd General Meeting of the European Grassland Federation, Kiel, 29 August-2 September 2010 . pp. 15

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

A - Papers appearing in refereed journals

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

Intrinsic water-use efficiency of temperate seminatural grassland has increased since 1857: an analysis of carbon isotope discrimination of herbage from the Park Grass Experiment

A - Papers appearing in refereed journals

Kohler, I. H., Poulton, P. R., Auerswald, K. and Schnyder, H. 2010. Intrinsic water-use efficiency of temperate seminatural grassland has increased since 1857: an analysis of carbon isotope discrimination of herbage from the Park Grass Experiment. Global Change Biology. 16 (5), pp. 1531-1541. https://doi.org/10.1111/j.1365-2486.2009.02067.x

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

C1 - Edited contributions to conferences/learned societies

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

Responses of soil clay mineralogy in the Rothamsted Classical Experiments in relation to management practice and changing land use

A - Papers appearing in refereed journals

Tye, A. M., Kemp, S. J. and Poulton, P. R. 2009. Responses of soil clay mineralogy in the Rothamsted Classical Experiments in relation to management practice and changing land use. Geoderma. 153, pp. 136-146. https://doi.org/10.1016/j.geoderma.2009.07.019

Soil organic carbon contents in long-term experimental grassland plots in the UK (Palace Leas and Park Grass) have not changed consistently in recent decades

A - Papers appearing in refereed journals

Hopkins, D. W., Waite, I. S., Mcnichol, J. W., Poulton, P. R., Macdonald, A. J. and O'donnell, A. G. 2009. Soil organic carbon contents in long-term experimental grassland plots in the UK (Palace Leas and Park Grass) have not changed consistently in recent decades. Global Change Biology. 15 (7), pp. 1739-1754. https://doi.org/10.1111/j.1365-2486.2008.01809.x

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

A - Papers appearing in refereed journals

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

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

Evidence of decreasing mineral density in wheat grain over the last 160 years

A - Papers appearing in refereed journals

Fan, M-S., Zhao, F-J., Fairweather-Tait, S. J., Poulton, P. R., Dunham, S. J. and McGrath, S. P. 2008. Evidence of decreasing mineral density in wheat grain over the last 160 years. Journal Of Trace Elements In Medicine And Biology. 22, pp. 315-324. https://doi.org/10.1016/j.jtemb.2008.07.002

Grain quality in the Broadbalk Wheat Experiment and the winter North Atlantic Oscillation

A - Papers appearing in refereed journals

Atkinson, M. D., Kettlewell, P. S., Poulton, P. R. and Hollins, P. D. 2008. Grain quality in the Broadbalk Wheat Experiment and the winter North Atlantic Oscillation. The Journal of Agricultural Science. 146, pp. 541-549. https://doi.org/10.1017/S0021859608007958

The turnover of organic carbon in subsoils. Part 1. Natural and bomb radiocarbon in soil profiles from the Rothamsted long-term field experiments

A - Papers appearing in refereed journals

Jenkinson, D. S., Poulton, P. R. and Bryant, C. 2008. The turnover of organic carbon in subsoils. Part 1. Natural and bomb radiocarbon in soil profiles from the Rothamsted long-term field experiments. European Journal of Soil Science. 59 (2), pp. 391-399. https://doi.org/10.1111/j.1365-2389.2008.01025.x

Historical changes in the concentrations of selenium in soil and wheat grain from the Broadbalk experiment over the last 160 years

A - Papers appearing in refereed journals

Fan, M-S., Zhao, F-J., Poulton, P. R. and McGrath, S. P. 2008. Historical changes in the concentrations of selenium in soil and wheat grain from the Broadbalk experiment over the last 160 years. Science of the Total Environment. 389, pp. 532-538. https://doi.org/10.1016/j.scitotenv.2007.08.024

Long-term research in the UK - lessons learned from the Rothamsted Classical Experiments

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T. and Poulton, P. R. 2007. Long-term research in the UK - lessons learned from the Rothamsted Classical Experiments.

Seasonal dynamics of carbon and nitrogen pools and fluxes under continuous arable and ley-arable rotations in a temperate environment

A - Papers appearing in refereed journals

Murphy, D. V., Stockdale, E. A., Poulton, P. R., Willison, T. W. and Goulding, K. W. T. 2007. Seasonal dynamics of carbon and nitrogen pools and fluxes under continuous arable and ley-arable rotations in a temperate environment. European Journal of Soil Science. 58 (6), pp. 1410-1424. https://doi.org/10.1111/j.1365-2389.2007.00946.x

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 .

Herbicidal control of Equisetum arvense (field horsetail)

C1 - Edited contributions to conferences/learned societies

Moss, S. R., Poulton, P. R., Lutman, P. J. and Peters, C. 2007. Herbicidal control of Equisetum arvense (field horsetail). Crop Protection in Southern Britain. Aspects of Applied Biology 83 . pp. 75-77

The impact of manuring on nitrogen isotope ratios in cereals: archaeological implications for reconstruction of diet and crop management practices

A - Papers appearing in refereed journals

Bogaard, A., Heaton, T. H. E., Poulton, P. R. and Merbach, I. 2007. The impact of manuring on nitrogen isotope ratios in cereals: archaeological implications for reconstruction of diet and crop management practices. Journal Of Archaeological Science. 34, pp. 335-343. https://doi.org/10.1016/j.jas.2006.04.009

The influence of long term manure and ignoring fertiliser applications on plant and soil

C2 - Non-edited contributions to conferences

Senbayram, M., Poulton, P. R. and Jones, J. A. 2007. The influence of long term manure and ignoring fertiliser applications on plant and soil. Annual meeting, Stable Isotope Mass Spectrometry User Group (SIMSUG 2007), Newcastle University.

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

A - Papers appearing in refereed journals

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

Long-term management impacts on soil C, N and physical fertility. Part 1: Broadbalk experiment

A - Papers appearing in refereed journals

Blair, N., Faulkner, R. D., Till, A. R. and Poulton, P. R. 2006. Long-term management impacts on soil C, N and physical fertility. Part 1: Broadbalk experiment. Soil & Tillage Research. 91, pp. 30-38. https://doi.org/10.1016/j.still.2005.11.002

Parsimonious modelling of nutrient fluxes for a terrestrial ecosystem on Svalbard

A - Papers appearing in refereed journals

Stapleton, L. M., Laybourn-Parry, J., Poulton, P. R., Tye, A. M., West, H. M., Young, S. D. and Crout, N. M. J. 2006. Parsimonious modelling of nutrient fluxes for a terrestrial ecosystem on Svalbard. Biogeochemistry. 80, pp. 57-69. https://doi.org/10.1007/s10533-006-6253-9

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

A - Papers appearing in refereed journals

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

Rothamsted Research: guide to the classical and other long-term experiments, datasets and sample archive

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

Poulton, P. R. 2006. Rothamsted Research: guide to the classical and other long-term experiments, datasets and sample archive. Rothamsted Research, Harpenden.

Soil moisture mediates association between the winter North Atlantic Oscillation and summer growth in the Park Grass Experiment

A - Papers appearing in refereed journals

Kettlewell, P. S., Easey, J., Stephenson, D. B. and Poulton, P. R. 2006. Soil moisture mediates association between the winter North Atlantic Oscillation and summer growth in the Park Grass Experiment. Proceedings of the Royal Society of London Series B Biological Sciences. 273, pp. 1149-1154. https://doi.org/10.1098/rspb.2005.3428

A celebration of 150 years of the Park Grass Experiment

G - Articles in popular magazines and other technical publications

Poulton, P. R. 2006. A celebration of 150 years of the Park Grass Experiment. https://doi.org/10.23637/ERADOC-1-253

The recovery over several seasons of 15N-labelled fertilizer applied to Miscanthus x giganteus ranging from 1 to 3 years old

A - Papers appearing in refereed journals

Christian, D. G., Poulton, P. R., Riche, A. B., Yates, N. E. and Todd, A. D. 2006. The recovery over several seasons of 15N-labelled fertilizer applied to Miscanthus x giganteus ranging from 1 to 3 years old. Biomass & Bioenergy. 30, pp. 125-133. https://doi.org/10.1016/j.biombioe.2005.11.002

The long term influence of manure and inorganic fertiliser applications on the 15N value of plants

C2 - Non-edited contributions to conferences

Senbayram, M., Poulton, P. R. and Bol, R. 2006. The long term influence of manure and inorganic fertiliser applications on the 15N value of plants. 5th International Conference on Applications of Stable Isotope Techniques to Ecological Studies, Belfast, 13-18 August 2006. pp. p136

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

A - Papers appearing in refereed journals

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

Microbial carbon dynamics in nitrogen amended Arctic tundra soil: measurement and model testing

A - Papers appearing in refereed journals

Stapleton, L. M., Crout, N. M. J., Sawstrom, C., Marshall, W. A., Poulton, P. R., Tye, A. M. and Laybourn-Parry, J. 2005. Microbial carbon dynamics in nitrogen amended Arctic tundra soil: measurement and model testing. Soil Biology and Biochemistry. 37, pp. 2088-2098.

Markedly different gene expression in wheat grown with organic or inorganic fertilizer

A - Papers appearing in refereed journals

Lu, C., Hawkesford, M. J., Barraclough, P. B., Poulton, P. R., Wilson, I. D., Barker, G. L. and Edwards, K. J. 2005. Markedly different gene expression in wheat grown with organic or inorganic fertilizer. Proceedings of the Royal Society of London Series B Biological Sciences. 272 (1575), pp. 1901-1908. https://doi.org/10.1098/rspb.2005.3161

The fate of 15N added to high Arctic tundra to mimic increased inputs of atmospheric nitrogen released from a melting snowpack

A - Papers appearing in refereed journals

Tye, A. M., Young, S. D., Crout, N. M. J., West, H. M., Stapleton, L. M., Poulton, P. R. and Laybourn-Parry, J. 2005. The fate of 15N added to high Arctic tundra to mimic increased inputs of atmospheric nitrogen released from a melting snowpack. Global Change Biology. 11 (10), pp. 1640-1654. https://doi.org/10.1111/j.1365-2486.2005.01044.x

The contribution of Rothamsted's long-term experiments to understanding losses of fertilisers to the environment and improving fertiliser use efficiency

C1 - Edited contributions to conferences/learned societies

Goulding, K. W. T., Brookes, P. C. and Poulton, P. R. 2005. The contribution of Rothamsted's long-term experiments to understanding losses of fertilisers to the environment and improving fertiliser use efficiency. Proceedings International Workshop on Where Do Fertilisers Go?, Belgirate, Italy, 28-29 June 2005 . pp. 3.1-3.9

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

A - Papers appearing in refereed journals

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

The missing link

G - Articles in popular magazines and other technical publications

Goulding, K. W. T. and Poulton, P. R. 2005. The missing link. Geoscientist. 15(6), pp. 4-7.

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

C2 - Non-edited contributions to conferences

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

The Park Grass Experiment

G - Articles in popular magazines and other technical publications

Goulding, K. W. T. and Poulton, P. R. 2004. The Park Grass Experiment. RRA Newsletter. No 15, pp. 2-3.

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.

The Broadbalk Wheat Experiment

G - Articles in popular magazines and other technical publications

Goulding, K. W. T. and Poulton, P. R. 2003. The Broadbalk Wheat Experiment. RRA Newsletter. No 12, pp. 1-2.

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.

Mechanisms of phosphorus solubilisation in a limed soil as a function of pH

A - Papers appearing in refereed journals

Mcdowell, R. W., Mahieu, N., Brookes, P. C. and Poulton, P. R. 2003. Mechanisms of phosphorus solubilisation in a limed soil as a function of pH. Chemosphere. 51, pp. 685-692.

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

Des experimentations de longue duree sur la recherche en environnement. Un exemple pris en Grande Bretagne

A - Papers appearing in refereed journals

Goulding, K. W. T. and Poulton, P. R. 2003. Des experimentations de longue duree sur la recherche en environnement. Un exemple pris en Grande Bretagne. Etude et Gestion des Sols. 10, pp. 253-261.

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

A - Papers appearing in refereed journals

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

Accumulation of carbon and nitrogen by old arable land reverting to woodland

A - Papers appearing in refereed journals

Poulton, P. R., Pye, E., Hargreaves, P. R. and Jenkinson, D. S. 2003. Accumulation of carbon and nitrogen by old arable land reverting to woodland. Global Change Biology. 9 (6), pp. 942-955. https://doi.org/10.1046/j.1365-2486.2003.00633.x

Temporal changes in chemical properties of air-dried soils and their interpretation for long-term experiments (in Russian)

B - Book chapters etc edited externally

Blake, L., Goulding, K. W. T., Mott, C. J. B. and Poulton, P. R. 2003. Temporal changes in chemical properties of air-dried soils and their interpretation for long-term experiments (in Russian). in: Shevtsova, L. K., Romanenkov, V. A. and Semenov, V. A. (ed.) Progress in the long-term trials methodology and the mathematical methods of experimental data processing Agroconsult, Moscow. pp. 135-155

Practical considerations for the sampling and storage of soils and crops from long-term experiments (in Russian)

B - Book chapters etc edited externally

Poulton, P. R. 2003. Practical considerations for the sampling and storage of soils and crops from long-term experiments (in Russian). in: Shevtsova, L. K., Romanenkov, V. A. and Semenov, V. A. (ed.) Progress in the long-term trials methodology and the mathematical methods of experimental data processing Agroconsult, Moscow. pp. 239-257

Evaluating soil microbial biomass carbon as an indicator of long-term environmental change

A - Papers appearing in refereed journals

Hargreaves, P. R., Brookes, P. C., Ross, G. J. S. and Poulton, P. R. 2003. Evaluating soil microbial biomass carbon as an indicator of long-term environmental change. Soil Biology and Biochemistry. 35, pp. 401-407.

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

How the Rothamsted long-term experiments have been modified to ensure their continued relevance

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 2002. How the Rothamsted long-term experiments have been modified to ensure their continued relevance. Tartamkiserletek, Tajtermesztes, Videkfejlesztes, Debrecen, Hungary, 6-8 June 2002 . pp. 149-161

Analysis of potentially mobile phosphorus in arable soils using solid state nuclear magnetic resonance

A - Papers appearing in refereed journals

Mcdowell, R. W., Condron, L. M., Mahieu, N., Brookes, P. C., Poulton, P. R. and Sharpley, A. N. 2002. Analysis of potentially mobile phosphorus in arable soils using solid state nuclear magnetic resonance. Journal of Environmental Quality. 31, pp. 450-456.

Sustainability of cereal yields

G - Articles in popular magazines and other technical publications

Goulding, K. W. T. and Poulton, P. R. 2001. Sustainability of cereal yields. Institute Of Arable Crops Research Annual Report.

Losses of dissolved organic N (DON) from soils of contrasting organic matter content on the Broadbalk Continuous Wheat Experiment

C2 - Non-edited contributions to conferences

Macdonald, A. J., Webster, C. P., Poulton, P. R., Wilmer, W. S. and Goulding, K. W. T. 2001. Losses of dissolved organic N (DON) from soils of contrasting organic matter content on the Broadbalk Continuous Wheat Experiment. Abstracts 11th Nitrogen Workshop, Reims, 9-12 September 2001 .

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

C1 - Edited contributions to conferences/learned societies

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

Reducing fertiliser inputs: endangering arable soil fertility?

C1 - Edited contributions to conferences/learned societies

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

Vegetation changes during 100 years of development of two secondary woodlands on abandoned arable land

A - Papers appearing in refereed journals

Harmer, R., Peterken, G., Kerr, G. and Poulton, P. R. 2001. Vegetation changes during 100 years of development of two secondary woodlands on abandoned arable land. Biological Conservation. 101, pp. 291-304. https://doi.org/10.1016/S0006-3207(01)00072-6

The effectiveness of nitrogen derived from organic matter: results from long-term experiments

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 2001. The effectiveness of nitrogen derived from organic matter: results from long-term experiments. Ae, N., Srinivasan, A., Okada, K. and Arihara, J. (ed.) Plant nutrient acquisition . Springer, Berlin. pp. 355-375

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

A - Papers appearing in refereed journals

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

Phosphorus, potassium and sulphur cycles in agricultural soils

C1 - Edited contributions to conferences/learned societies

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

Relationship between soil test phosphorus and phosphorus release to solution

A - Papers appearing in refereed journals

Mcdowell, R. W., Sharpley, A. N., Brookes, P. C. and Poulton, P. R. 2001. Relationship between soil test phosphorus and phosphorus release to solution. Soil Science. 166 (2), pp. 137-149. https://doi.org/10.1097/00010694-200102000-00007

Nitrate leaching from the Broadbalk wheat experiment, Rothamsted, UK, as controlled by fertiliser and manure inputs and the weather

A - Papers appearing in refereed journals

Goulding, K. W. T., Poulton, P. R., Webster, C. P. and Howe, M. 2000. Nitrate leaching from the Broadbalk wheat experiment, Rothamsted, UK, as controlled by fertiliser and manure inputs and the weather. Soil Use and Management. 16 (4), pp. 244-250. https://doi.org/10.1111/j.1475-2743.2000.tb00203.x

Temporal changes in chemical properties of air-dried stored soils and their interpretation for long-term experiments

A - Papers appearing in refereed journals

Blake, L., Goulding, K. W. T., Mott, C. J. B. and Poulton, P. R. 2000. Temporal changes in chemical properties of air-dried stored soils and their interpretation for long-term experiments. European Journal of Soil Science. 51 (2), pp. 345-353. https://doi.org/10.1046/j.1365-2389.2000.00307.x

Organic geochemical studies of soils from the Rothamsted classical experiments VI The occurrence and source of organic acids in an experimental grassland soil

A - Papers appearing in refereed journals

Bull, I. D., Nott, C. J., Van Bergen, P. F., Poulton, P. R. and Evershed, R. P. 2000. Organic geochemical studies of soils from the Rothamsted classical experiments VI The occurrence and source of organic acids in an experimental grassland soil. Soil Biology and Biochemistry. 32, pp. 1367-1376. https://doi.org/10.1016/S0038-0717(00)00054-7

Organic geochemical studies of soils from the Rothamsted Classical Experiments - V. The fate of lipids in different long-term soil experiments

A - Papers appearing in refereed journals

Bull, I. D., Van Bergen, P. F., Nott, C. J., Poulton, P. R. and Evershed, R. P. 2000. Organic geochemical studies of soils from the Rothamsted Classical Experiments - V. The fate of lipids in different long-term soil experiments. Organic Geochemistry. 31 (5), pp. 389-408. https://doi.org/10.1016/S0146-6380(00)00008-5

Soluble organic nitrogen in agricultural soils

A - Papers appearing in refereed journals

Murphy, D. V., Macdonald, A. J., Stockdale, E. A., Goulding, K. W. T., Fortune, S., Gaunt, J. L., Poulton, P. R., Wakefield, J. A., Webster, C. P. and Wilmer, W. S. 2000. Soluble organic nitrogen in agricultural soils. Biology And Fertility Of Soils. 30, pp. 374-387. https://doi.org/10.1007/s003740050018

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

A - Papers appearing in refereed journals

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

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. https://doi.org/10.1023/A:1004730023746

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

Assessing the importance of soluble organic nitrogen in agricultural soils

C1 - Edited contributions to conferences/learned societies

Murphy, D. V., Fortune, S., Wakefield, J. A., Stockdale, E. A., Poulton, P. R., Webster, C. P., Wilmer, W. S., Goulding, K. W. T. and Gaunt, J. L. 1999. Assessing the importance of soluble organic nitrogen in agricultural soils. 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. 65-86

Nitrogen leaching from winter cereals grown as part of a 5-year ley-arable rotation

A - Papers appearing in refereed journals

Webster, C. P., Poulton, P. R. and Goulding, K. W. T. 1999. Nitrogen leaching from winter cereals grown as part of a 5-year ley-arable rotation. European Journal of Agronomy. 10 (2), pp. 99-109. https://doi.org/10.1016/S1161-0301(98)00058-6

Use of Sulfur Isotope Ratios To Determine Anthropogenic Sulfur Signals in a Grassland Ecosystem

A - Papers appearing in refereed journals

Zhao, F-J., Spiro, B., Poulton, P. R. and McGrath, S. P. 1998. Use of Sulfur Isotope Ratios To Determine Anthropogenic Sulfur Signals in a Grassland Ecosystem. Environmental Science & Technology. 32 (15), pp. 2288-2291. https://doi.org/10.1021/es980157f

Organic geochemical studies of soils from Rothamsted Experimental Station: III Nitrogen-containing organic matter in soil from Geescroft Wilderness

B - Book chapters etc edited externally

Van Bergen, P. F., Flannery, M. B., Poulton, P. R. and Evershed, R. P. 1998. Organic geochemical studies of soils from Rothamsted Experimental Station: III Nitrogen-containing organic matter in soil from Geescroft Wilderness. in: Stankiewicz, B. A. and Vanbergen, P. F. (ed.) Nitrogen-containing macromolecules in bio- and geosphere. (American Chemical Society Symposium Series 707) pp. 321-338

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

The effectiveness of nitrogen derived from organic matter; results from long-term experiments

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1998. The effectiveness of nitrogen derived from organic matter; results from long-term experiments. Proceedings Conference on New Concepts on Plant Nutrition Acquisition, Tsukuba, Japan, March 1998 .

Organic geochemical studies of soils from the Rothamsted Classical Experiments - IV. Preliminary results from a study of the effect of soil pH on organic matter decay

A - Papers appearing in refereed journals

Van Bergen, P. F., Nott, C. J., Bull, I. D., Poulton, P. R. and Evershed, R. P. 1998. Organic geochemical studies of soils from the Rothamsted Classical Experiments - IV. Preliminary results from a study of the effect of soil pH on organic matter decay. Organic Geochemistry. 29, pp. 1779-1795. https://doi.org/10.1016/S0146-6380(98)00188-0

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

C1 - Edited contributions to conferences/learned societies

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

Use of sulfur isotope ratios to determine anthropogenic sulfur signals in a grassland ecosystem

A - Papers appearing in refereed journals

Zhao, F-J., Spiro, B., Poulton, P. R. and McGrath, S. P. 1998. Use of sulfur isotope ratios to determine anthropogenic sulfur signals in a grassland ecosystem. Environmental Science & Technology. 32, pp. 2288-2291. https://doi.org/10.1021/es980157f

Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes

A - Papers appearing in refereed journals

Goulding, K. W. T., Bailey, N. J., Bradbury, N. J., Hargreaves, P., Howe, M., Murphy, D. V., Poulton, P. R. and Willison, T. W. 1998. Nitrogen deposition and its contribution to nitrogen cycling and associated soil processes. New Phytologist. 139 (1), pp. 49-58. https://doi.org/10.1046/j.1469-8137.1998.00182.x

Phosphorus movement in drainage water from the Broadbalk Experiment

C2 - Non-edited contributions to conferences

Brookes, P. C., Heckrath, G., Poulton, P. R. and Goulding, K. W. T. 1998. Phosphorus movement in drainage water from the Broadbalk Experiment. Proceedings 16th World Congress of Soil Science, Montpellier, 20-26 August 1998 . pp. 263

The effect of long-term fertilizer nitrogen and farmyard manure on soluble forms of nitrogen in the soil

C2 - Non-edited contributions to conferences

Wakefield, J. A., Poulton, P. R., Murphy, D. V. and Webster, C. P. 1998. The effect of long-term fertilizer nitrogen and farmyard manure on soluble forms of nitrogen in the soil. Abstracts British Society for Soil Science Down to Earth Conference, University of Reading, 31 March-1 April 1998 .

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

A - Papers appearing in refereed journals

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

Organic geochemical studies of soils from the Rothamsted Classical Experiments II: soils from the Hoosfield Spring Barley experiment treated with different quantities of manure

A - Papers appearing in refereed journals

Bull, I. D., Van Bergen, P. F., Poulton, P. R. and Evershed, R. P. 1998. Organic geochemical studies of soils from the Rothamsted Classical Experiments II: soils from the Hoosfield Spring Barley experiment treated with different quantities of manure. Organic Geochemistry. 28 (1-2), pp. 11-26. https://doi.org/10.1016/S0146-6380(97)00114-9

Simulating trends in soil organic carbon in long-term experiments using the Verberne/MOTOR model

A - Papers appearing in refereed journals

Whitmore, A. P., Klein-Gunnewiek, H., Crocker, G. J., Klir, J., Korschens, M. and Poulton, P. R. 1997. Simulating trends in soil organic carbon in long-term experiments using the Verberne/MOTOR model. Geoderma. 81 (1-2), pp. 137-151. https://doi.org/10.1016/S0016-7061(97)00086-4

Simulating trends in soil organic carbon in long-term experiments using the NCSOIL and NCSWAP models

A - Papers appearing in refereed journals

Molina, J. A. E., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M., Poulton, P. R. and Richter, D. D. 1997. Simulating trends in soil organic carbon in long-term experiments using the NCSOIL and NCSWAP models. Geoderma. 81 (1/2), pp. 91-107. https://doi.org/10.1016/S0016-7061(97)00083-9

Simulating trends in soil organic carbon in long-term experiments using the century model

A - Papers appearing in refereed journals

Kelly, R. H., Parton, W. J., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M., Poulton, P. R. and Richter, D. D. 1997. Simulating trends in soil organic carbon in long-term experiments using the century model. Geoderma. 81 (1/2), pp. 75-90. https://doi.org/10.1016/S0016-7061(97)00082-7

Simulating trends in soil organic carbon in long-term experiments using the soil-plant-atmosphere model DAISY

A - Papers appearing in refereed journals

Jensen, L. S., Mueller, T., Nielsen, N. E., Hansen, S., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M. and Poulton, P. R. 1997. Simulating trends in soil organic carbon in long-term experiments using the soil-plant-atmosphere model DAISY. Geoderma. 81 (1/2), pp. 5-28. https://doi.org/10.1016/S0016-7061(97)88181-5

Simulating trends in soil organic carbon in long-term experiments using the CANDY model

A - Papers appearing in refereed journals

Franko, U., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M., Poulton, P. R. and Richter, D. D. 1997. Simulating trends in soil organic carbon in long-term experiments using the CANDY model. Geoderma. 81 (1/2), pp. 109-120. https://doi.org/10.1016/S0016-7061(97)00084-0

Simulating trends in soil organic carbon in long-term experiments using RothC-26.3

A - Papers appearing in refereed journals

Coleman, K., Jenkinson, D. S., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M., Poulton, P. R. and Richter, D. D. 1997. Simulating trends in soil organic carbon in long-term experiments using RothC-26.3. Geoderma. 81 (1/2), pp. 29-44. https://doi.org/10.1016/S0016-7061(97)00079-7

Simulating trends of soil organic carbon in seven long-term experiments using the SOMM model of the humus types

A - Papers appearing in refereed journals

Chertov, O. G., Komarov, A. S., Crocker, G., Grace, P., Klir, J., Korschens, M., Poulton, P. R. and Richter, D. 1997. Simulating trends of soil organic carbon in seven long-term experiments using the SOMM model of the humus types. Geoderma. 81 (1/2), pp. 121-135. https://doi.org/10.1016/S0016-7061(97)00085-2

Simulating trends in soil organic carbon in long-term experiments using the DNDC model

A - Papers appearing in refereed journals

Changsheng, L., Frolking, S., Crocker, G. J., Grace, P. R., Klir, J., Korschens, M. and Poulton, P. R. 1997. Simulating trends in soil organic carbon in long-term experiments using the DNDC model. Geoderma. 81 (1/2), pp. 45-60. https://doi.org/10.1016/S0016-7061(97)00080-3

Simulating trends in soil organic carbon in long-term experiments using the ITE (Edinburgh) Forest and Hurley pasture ecosystem models

A - Papers appearing in refereed journals

Arah, J. R. M., Thornley, J. H. M., Poulton, P. R. and Richter, D. D. 1997. Simulating trends in soil organic carbon in long-term experiments using the ITE (Edinburgh) Forest and Hurley pasture ecosystem models. Geoderma. 81 (1/2), pp. 61-74. https://doi.org/10.1016/S0016-7061(97)00081-5

Nitrogen-containing macromolecular moieties in soil organic matter

C2 - Non-edited contributions to conferences

Van Bergen, P. F., Poulton, P. R. and Evershed, R. P. 1997. Nitrogen-containing macromolecular moieties in soil organic matter. American Chemical Society (ACS).

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

A - Papers appearing in refereed journals

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

Peat - a valuable resource

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

Comparison of fertilizer phosphorus recommendations in Ireland and England and Wales

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1997. Comparison of fertilizer phosphorus recommendations in Ireland and England and Wales. Brookes, P. C., Johnston, A. E., Tunney, H. and Carton, O. T. (ed.) Phosphorus loss from soil to water . CABI International, Wallingford, Oxon (CABI). pp. 449-452

Factors affecting critical soil phosphorus values

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1997. Factors affecting critical soil phosphorus values. Brookes, P. C., Johnston, A. E., Tunney, H. and Carton, O. T. (ed.) Phosphorus loss from soil to water . CABI International, Wallingford, Oxon (CABI). pp. 445-448

Defining critical levels of available soil phosphorus for agricultural crops

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1997. Defining critical levels of available soil phosphorus for agricultural crops. Brookes, P. C., Johnston, A. E., Tunney, H. and Carton, O. T. (ed.) Phosphorus loss from soil to water . CABI International, Wallingford, Oxon (CABI). pp. 441-445

The downward movement and retention of phosphorus in agricultural soils

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1997. The downward movement and retention of phosphorus in agricultural soils. Brookes, P. C., Johnston, A. E., Tunney, H. and Carton, O. T. (ed.) Phosphorus loss from soil to water . CABI International, Wallingford, Oxon (CABI). pp. 422-425

Phosphorus losses in drainage water from an arable silty clay loam soil

B - Book chapters etc edited externally

Heckrath, G., Poulton, P. R. and Goulding, K. W. T. 1997. Phosphorus losses in drainage water from an arable silty clay loam soil. in: Brookes, P. C., Johnston, A. E., Tunney, H. and Carton, O. T. (ed.) Phosphorus loss from soil water CABI International, Wallingford, Oxon (CABI). pp. 367-369

Organic geochemical studies of soils from the Rothamsted Classical experiments. I. Total lipid extracts, solvent insoluble residues and humic acids from Broadbalk Wilderness

A - Papers appearing in refereed journals

Van Bergen, P. F., Bull, I. D., Poulton, P. R. and Evershed, R. P. 1997. Organic geochemical studies of soils from the Rothamsted Classical experiments. I. Total lipid extracts, solvent insoluble residues and humic acids from Broadbalk Wilderness. Organic Geochemistry. 26 (1-2), pp. 117-135. https://doi.org/10.1016/S0146-6380(96)00134-9

Importance of farming practice on the isolation frequency of Thermoactinomyces species

A - Papers appearing in refereed journals

Jackson, A. M., Poulton, P. R. and Ball, A. S. 1997. Importance of farming practice on the isolation frequency of Thermoactinomyces species. Soil Biology and Biochemistry. 29, pp. 207-210. https://doi.org/10.1016/S0038-0717(96)00295-7

The recovery of 15N-labelled fertilizer applied to Miscanthus x giganteus

A - Papers appearing in refereed journals

Christian, D. G., Poulton, P. R., Riche, A. B. and Yates, N. E. 1997. The recovery of 15N-labelled fertilizer applied to Miscanthus x giganteus. Biomass & Bioenergy. 12 (1), pp. 21-24. https://doi.org/10.1016/S0961-9534(96)00060-8

Application of 15N labelled materials to soil research

C2 - Non-edited contributions to conferences

Mepham, N., Poulton, P. R. and Murphy, D. V. 1996. Application of 15N labelled materials to soil research. Abstracts Stable Isotope Mass Spectrometry Users Group 2nd Annual Conference (SIMSUG '96), Llandudno, 10-12 Januery 1996 .

The effect of organic manures on N mineralisation

C2 - Non-edited contributions to conferences

Gaunt, J. L., Murphy, D. V. and Poulton, P. R. 1996. The effect of organic manures on N mineralisation. Abstracts British Society of Soil Science Meeting, Dundee, 23-25 September 1996 . pp. 61

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.

Woburn Ley-Arable

D1 - Technical reports: non-confidential

Poulton, P. R. 1996. Woburn Ley-Arable. GCTE Focus 3 Office, Wallingford.

Park Grass

D1 - Technical reports: non-confidential

Poulton, P. R. 1996. Park Grass. GCTE Focus 3 Office, Wallingford.

Hoosfield Continuous Barley

D1 - Technical reports: non-confidential

Poulton, P. R. 1996. Hoosfield Continuous Barley. GCTE Focus 3 Office, Wallingford.

Geescroft Wilderness

D1 - Technical reports: non-confidential

Poulton, P. R. 1996. Geescroft Wilderness. GCTE Focus 3 Office, Wallingford.

Broadbalk Wheat Experiment

D1 - Technical reports: non-confidential

Poulton, P. R. 1996. Broadbalk Wheat Experiment. GCTE Focus 3 Office, Wallingford.

A polymorphism for phosphate uptake/arsenate tolerance in Holcus lanatus L.: is there a correlation with edaphic or environmental factors?

A - Papers appearing in refereed journals

Naylor, J., Macnair, M. R., Williams, E. N. D. and Poulton, P. R. 1996. A polymorphism for phosphate uptake/arsenate tolerance in Holcus lanatus L.: is there a correlation with edaphic or environmental factors? Heredity. 77, pp. 509-517. https://doi.org/10.1038/hdy.1996.178

Management and modification procedures for long-term field experiments

A - Papers appearing in refereed journals

Poulton, P. R. 1996. Management and modification procedures for long-term field experiments. Canadian journal of plant science. 76, pp. 587-594. https://doi.org/10.4141/cjps96-106

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

C1 - Edited contributions to conferences/learned societies

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

The Rothamsted long-term experiments: are they still relevant?

A - Papers appearing in refereed journals

Poulton, P. R. 1996. The Rothamsted long-term experiments: are they still relevant? Canadian journal of plant science. 76, pp. 559-571. https://doi.org/10.4141/cjps96-103

The effect of organic manures on N mineralisation

C2 - Non-edited contributions to conferences

Gaunt, J. L., Murphy, D. V. and Poulton, P. R. 1996. The effect of organic manures on N mineralisation. Transactions 9th Nitrogen Workshop, Braunschweig, 9-12 September 1996 . pp. 225

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

Nitrification and N2O emissions from soil with a long-term history of different pH

C1 - Edited contributions to conferences/learned societies

Dendooven, L., Ellis, S., Murphy, E. and Poulton, P. R. 1996. Nitrification and N2O emissions from soil with a long-term history of different pH. Transactions 9th Nitrogen Workshop, Braunschweig, 9-12 September 1996 . pp. 137-140

Occurrence of severe take-all in winter wheat after many years of growing spring barley, and effects of soil phosphate

A - Papers appearing in refereed journals

Gutteridge, R. J., Jenkyn, J. F. and Poulton, P. R. 1996. Occurrence of severe take-all in winter wheat after many years of growing spring barley, and effects of soil phosphate. Aspects of Applied Biology. 47, pp. 453-458.

Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1996. Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses. Proceedings 2nd EC Concerted Action on Cover Crops (CA 2108), Gumpenstein, Austria, 4-7 November 1996 .

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

A - Papers appearing in refereed journals

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

Modelling changes in soil organic nitrogen on the Broadbalk experiment

A - Papers appearing in refereed journals

Bradbury, N. J., Glendining, M. J. and Poulton, P. R. 1996. Modelling changes in soil organic nitrogen on the Broadbalk experiment. Soil Use and Management. 12, p. 105.

Interpretation difficulties with long-term experiments

C1 - Edited contributions to conferences/learned societies

Glendining, M. J. and Poulton, P. R. 1996. Interpretation difficulties with long-term experiments. Powlson, D. S., Smith, J. U. and Smith, P. (ed.) Evaluation of soil organic models using existing long-term datasets (NATO ASI Series I, Vol. 38) . Springer, Berlin. pp. 99-110 https://doi.org/10.1007/978-3-642-61094-3_8

Geescroft Wilderness, 1883-1995

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1996. Geescroft Wilderness, 1883-1995. Powlson, D. S., Smith, J. U. and Smith, P. (ed.) Evaluation of soil organic matter models using existing long-term datasets (NATO ASI Series I, Vol. 38) . Springer, Berlin. pp. 385-390

The Park Grass Experiment, 1856-1995

C1 - Edited contributions to conferences/learned societies

Poulton, P. R. 1996. The Park Grass Experiment, 1856-1995. Powlson, D. S., Smith, J. U. and Smith, P. (ed.) Evaluation of soil organic matter models using existing long-term datasets (NATO ASI Series I, Vol. 38) . Springer, Berlin. pp. 377-384

The importance of long-term field trials in understanding sustainable farming systems: the Rothamsted experience

A - Papers appearing in refereed journals

Poulton, P. R. 1995. The importance of long-term field trials in understanding sustainable farming systems: the Rothamsted experience. Australian Journal Of Experimental Agriculture. 35 (7), pp. 825-834. https://doi.org/10.1071/EA9950825

Modelling changes in soil organic nitrogen on Broadbalk

C2 - Non-edited contributions to conferences

Bradbury, N. J., Glendining, M. J. and Poulton, P. R. 1995. Modelling changes in soil organic nitrogen on Broadbalk. Abstracts SCI Meeting on Soil Organic Matter, London, 21 November 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 .

The nodulation of micro-propagated plants of Parasponia andersonii by tropical legume rhizobia

A - Papers appearing in refereed journals

Webster, G., Poulton, P. R., Cocking, E. C. and Davey, M. R. 1995. The nodulation of micro-propagated plants of Parasponia andersonii by tropical legume rhizobia. Journal of Experimental Botany. 46 (9), pp. 1131-1137. https://doi.org/10.1093/jxb/46.9.1131

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

C1 - Edited contributions to conferences/learned societies

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

Factors affecting critical soil P values

C1 - Edited contributions to conferences/learned societies

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

Defining critical levels of available soil P for agricultural soils

C1 - Edited contributions to conferences/learned societies

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

The downward movement and retention of P in agricultural soils

C1 - Edited contributions to conferences/learned societies

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

Phosphorus leaching from soils containing different phosphorus concentrations in the Broadbalk Experiment

A - Papers appearing in refereed journals

Heckrath, G., Brookes, P. C., Poulton, P. R. and Goulding, K. W. T. 1995. Phosphorus leaching from soils containing different phosphorus concentrations in the Broadbalk Experiment. Journal of Environmental Quality. 24 (5), pp. 904-910. https://doi.org/10.2134/jeq1995.00472425002400050018x

Phosphorus losses in drainage waters from an arable clay loam soil

C1 - Edited contributions to conferences/learned societies

Heckrath, G., Brookes, P. C., Poulton, P. R. and Goulding, K. W. T. 1995. Phosphorus losses in drainage waters from an arable clay loam soil. Proceedings International Workshop on Phosphorus Loss to Water from Agriculture, Wexford, 27-29 September 1995 . pp. 41-42

Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses

C1 - Edited contributions to conferences/learned societies

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1995. Mineralization of cover crop N: its contribution to subsequent crop N uptake and losses. Proceedings 1st EC Concerted Action on Cover Crops (CA 2108), Wageningen, May 1995 .

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1995. Effects of cover crops on soil N transformations and losses from arable land. Proceedings of the ARIA Nitrate Workshop, Rothamsted, 25 January 1995 .

Simulating soil and fertiliser dynamics using the SUNDIAL model

C2 - Non-edited contributions to conferences

Bradbury, N. J., Glendining, M. J., Poulton, P. R. and Cowie, G. 1994. Simulating soil and fertiliser dynamics using the SUNDIAL model. Abstracts RASE Meeting on Computer Technology in Agriculture, Cambridge, July 1994 .

The Rothamsted Classical Experiments

A - Papers appearing in refereed journals

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

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1994. Effects of cover crops on soil N transformations and losses from arable land. Abstracts 8th Nitrogen Workshop, University of Ghent, 5-8 September 1994 .

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

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

Effects of cover crops on soil N transformations and losses from arable land

C2 - Non-edited contributions to conferences

Macdonald, A. J., Poulton, P. R., Christian, D. G. and Howe, M. T. 1993. Effects of cover crops on soil N transformations and losses from arable land. Abstracts AFRC Meeting on Nitrogen Metabolism in Plants and Soil, Silsoe College, 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. https://doi.org/10.1017/S0021859600085555

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

C1 - Edited contributions to conferences/learned societies

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

Long-term changes of soil sulphur status and plant sulphur uptake in the Park Grass Experiment, Rothamsted

C2 - Non-edited contributions to conferences

Zhao, F-J., McGrath, S. P. and Poulton, P. R. 1993. Long-term changes of soil sulphur status and plant sulphur uptake in the Park Grass Experiment, Rothamsted. Insight from Foresight. Abstracts Rothamsted 150th Anniversary Conference, Harpenden, July 1993 .

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

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

Unwanted nitrate

G - Articles in popular magazines and other technical publications

Goulding, K. W. T. and Poulton, P. R. 1992. Unwanted nitrate. Chemistry in Britain. 28, pp. 1100-1102.

El enterrado de la paja de cereal como practica para reducir la contaminacion de las aguas por nitratos

C1 - Edited contributions to conferences/learned societies

Ocio, J. A., Brookes, P. C., Poulton, P. R. and Corcuera, P. 1992. El enterrado de la paja de cereal como practica para reducir la contaminacion de las aguas por nitratos. Proceedings Zaragoza Workshop, Spain, 1992.

Microbial transformations of N following field incorporation of straw at cereal harvest

C2 - Non-edited contributions to conferences

Ocio, J. A., Poulton, P. R. and Brookes, P. C. 1992. Microbial transformations of N following field incorporation of straw at cereal harvest. Abstracts Sixth International Symposium on Microbial Ecology, Barcelona, September 1992. pp. 265

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

The effectiveness of winter cover crops in minimising nitrogen leaching loss

C1 - Edited contributions to conferences/learned societies

Webster, C. P., Macdonald, A. J., Poulton, P. R. and Christian, D. G. 1992. The effectiveness of winter cover crops in minimising nitrogen leaching loss. Scaife, A. (ed.) Proceedings Second Congress of the European Society for Agronomy, Warwick University, 23-28 August 1992. European Society for Agronomy, Wellesbourne. pp. 380-381

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

A - Papers appearing in refereed journals

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

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

D1 - Technical reports: non-confidential

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

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

A - Papers appearing in refereed journals

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

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

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

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

A - Papers appearing in refereed journals

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

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

Direct methods for estimating denitrification losses of nitrogen fertiliser.

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

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

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

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

C1 - Edited contributions to conferences/learned societies

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

Recovery of 15N-labelled urea applied to the foliage of winter wheat.

A - Papers appearing in refereed journals

Powlson, D. S., Poulton, P. R., Penny, A. and Hewitt, M. V. 1987. Recovery of 15N-labelled urea applied to the foliage of winter wheat. Journal of the Science of Food and Agriculture. 41 (3), pp. 195-203. https://doi.org/10.1002/jsfa.2740410302

Modelling the long-term residual effects of phosphorus residues in soil.

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and Lane, P. W. 1986. Modelling the long-term residual effects of phosphorus residues in soil. Journal of the Science of Food and Agriculture. 37 (1), pp. 8-19. https://doi.org/10.1002/jsfa.2740370103

Atmospheric deposition at Rothamsted, Saxmundham and Woburn Experimental Stations, England, 1969-1984.

A - Papers appearing in refereed journals

Goulding, K. W. T., Poulton, P. R., Thomas, V. H. and Williams, R. J. B. 1986. Atmospheric deposition at Rothamsted, Saxmundham and Woburn Experimental Stations, England, 1969-1984. Water Air And Soil Pollution. 29 (1), pp. 27-49. https://doi.org/10.1007/BF00149327

Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted

A - Papers appearing in refereed journals

Johnston, A. E., Goulding, K. W. T. and Poulton, P. R. 1986. Soil acidification during more than 100 years under permanent grassland and woodland at Rothamsted. Soil Use and Management. 2 (1), pp. 3-10. https://doi.org/10.1111/j.1475-2743.1986.tb00669.x

Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Johnston, A. E., Lane, P. W., Mattingly, G. E. G., Poulton, P. R. and Hewitt, M. V. 1986. Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk. The Journal of Agricultural Science. 106 (1), pp. 155-167. https://doi.org/10.1017/S0021859600061864

Acid deposition at Rothamsted, Saxmundham and Woburn, 1969–83

A - Papers appearing in refereed journals

Goulding, K. W. T. and Poulton, P. R. 1985. Acid deposition at Rothamsted, Saxmundham and Woburn, 1969–83. Soil Use and Management. 1 (1), pp. 6-7. https://doi.org/10.1111/j.1475-2743.1985.tb00641.x

Rothamsted Garden Clover - Red clover grown continuously since 1854 Yields, crop and soil analyses 1956-82

A - Papers appearing in refereed journals

McEwen, J., Johnston, A. E., Poulton, P. R. and Yeoman, D. P. 1984. Rothamsted Garden Clover - Red clover grown continuously since 1854 Yields, crop and soil analyses 1956-82. Rothamsted Experimental Station Report. 1983 (part 2), pp. 225-237.

Rothamsted garden clover - red clover grown continuously since 1854

A - Papers appearing in refereed journals

McEwen, J., Johnston, A. E., Poulton, P. R. and Yeoman, D. P. 1983. Rothamsted garden clover - red clover grown continuously since 1854. Rothamsted Experimental Station Report. 2, pp. 225-237.

The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation

A - Papers appearing in refereed journals

Dyke, G. V., George, B. J., Johnston, A. E., Poulton, P. R. and Todd, A. D. 1983. The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation. Rothamsted Experimental Station Report. (2), pp. 5-44. https://doi.org/10.23637/ERADOC-1-34179

Soils of Rothamsted Farm. The carbon and nitrogen content of the soils and the effect of changes in crop rotation and manuring on soil pH, P, K and Mg

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and McEwen, J. 1980. Soils of Rothamsted Farm. The carbon and nitrogen content of the soils and the effect of changes in crop rotation and manuring on soil pH, P, K and Mg. Rothamsted Experimental Station Report. 1980 (part 2), pp. 5-20.

Results from an Experiment on All-grass and Grass-clover Leys at Saxmundham, 1969-76, and Changes in Soil pH, Nitrogen, Phosphorus and Potassium due to Cropping and Manuring

A - Papers appearing in refereed journals

Johnston, A. E., Poulton, P. R. and Williams, R. J. B. 1979. Results from an Experiment on All-grass and Grass-clover Leys at Saxmundham, 1969-76, and Changes in Soil pH, Nitrogen, Phosphorus and Potassium due to Cropping and Manuring. Rothamsted Experimental Station Report. 1978 (2), pp. 99-117.

Yields on the Exhaustion Land and changes in NPK content of the soils due to cropping and manuring, 1852-1975

A - Papers appearing in refereed journals

Johnston, A. E. and Poulton, P. R. 1977. Yields on the Exhaustion Land and changes in NPK content of the soils due to cropping and manuring, 1852-1975. Rothamsted Experimental Station Report. 2, pp. 53-85.

Effect of phosphate residues on soil phosphorus values and crop yields. I. Experiments on barley, potatoes and sugar beet on sandy loam soils at Woburn England

A - Papers appearing in refereed journals

Johnston, A. E., Mattingly, G. E. G. and Poulton, P. R. 1976. Effect of phosphate residues on soil phosphorus values and crop yields. I. Experiments on barley, potatoes and sugar beet on sandy loam soils at Woburn England. Rothamsted Experimental Station Report. 1975 (2), pp. 5-35. https://doi.org/10.23637/ERADOC-1-10

The Woburn Organic Manuring Experiment II. Soil Analyses, 1964-72, With Special Reference to Changes in Carbon and Nitrogen

A - Papers appearing in refereed journals

Mattingly, G. E. G., Chater, M. and Poulton, P. R. 1974. The Woburn Organic Manuring Experiment II. Soil Analyses, 1964-72, With Special Reference to Changes in Carbon and Nitrogen. Rothamsted Experimental Station Report. 1973 (2), pp. 134-151. https://doi.org/10.23637/ERADOC-1-8