Paul Poulton

NamePaul Poulton
Job titleEmeritus / Honorary
Email addresspaul.poulton@rothamsted.ac.uk
DepartmentSustainable Agriculture Sciences Harpenden
Preferred citationPoulton, P. R.
OfficeHarpenden

Research outputs

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

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.

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

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

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.

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

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

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.

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

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.

Sustainable Intensification - Lessons from the Rothamsted Long-term Experiments

Macdonald, A. J., Poulton, P. R., Glendining, M. J., Goulding, K. W. T., Perryman, S. A. M. and Powlson, D. S. 2017. Sustainable Intensification - Lessons from the Rothamsted Long-term Experiments. Sustainable Intensification 2017, Aspects of Applied Biology 136, Rothamsted Research, 28-30 November 2017. Association of Applied Biologists (AAB).

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

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.

Potassium management in soils and crops: a review

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

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.

Grassland biodiversity bounces back from long-term nitrogen addition

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.

The Rothamsted Long-term Experiments

Macdonald, A. J., Powlson, D. S., Poulton, P. R., Watts, C. W., Clark, I. M., Storkey, J., Hawkins, N. J., Glendining, M. J., Goulding, K. W. T. and McGrath, S. P. 2015. The Rothamsted Long-term Experiments. Valuing long-term sites and experiments for agriculture and ecology. Aspects of Applied Biology 128 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 1-10

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

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. EGU.

Critical soil phosphate for combinable crops in Southern Britain

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

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

Johnston, A. E., Fixen, P. and Poulton, P. R. 2014. The efficient use of phosphorus in agriculture. IPNI.

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

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)

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

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

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

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. National Institute of Agricultural Botany, (NIAB) Cambridge . doi:NONE

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

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.

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

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.

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.

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

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

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.

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

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

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.

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

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.

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

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.

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

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)

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

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.

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

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.

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

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.

Environmental myopia: a diagnosis and a remedy

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.

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

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

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.

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

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.

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

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.

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

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.

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

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, York. pp. 48pp

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

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.

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

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.

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

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.

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

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

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.

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

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.

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

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.

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

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.

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

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

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.

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

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)

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

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.

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

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

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.

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

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.

Parsimonious modelling of nutrient fluxes for a terrestrial ecosystem on Svalbard

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.

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

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.

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

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

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.

A celebration of 150 years of the Park Grass Experiment

Poulton, P. R. 2006. A celebration of 150 years of the Park Grass Experiment. Rothamsted Research, Harpenden.

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

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.

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

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)

Johnston, A. E. and Poulton, P. R. 2005. Soil organic matter: its importance in sustainable agricultural systems (Proceedings International Fertiliser Society No 565). pp. 46pp

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

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

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.

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

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.

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

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

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

The missing link

Goulding, K. W. T. and Poulton, P. R. 2005. The missing link.

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

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

Goulding, K. W. T. and Poulton, P. R. 2004. The Park Grass Experiment.

Turnover of nitrogen-15-labeled fertilizer in old grassland

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

Goulding, K. W. T. and Poulton, P. R. 2003. The Broadbalk Wheat Experiment.

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

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

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?

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

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

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

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.

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

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)

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

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

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.

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

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.

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

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

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

Goulding, K. W. T. and Poulton, P. R. 2001. Sustainability of cereal yields.

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

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

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.

Reducing fertiliser inputs: endangering arable soil fertility?

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

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.

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

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

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.

Phosphorus, potassium and sulphur cycles in agricultural soils

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

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, pp. 137-149.

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

Goulding, K. W. T., Poulton, P. R., Webster, C. P. and Howe, M. T. 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.

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

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.

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

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.

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

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, pp. 389-408.

Soluble organic nitrogen in agricultural soils

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.

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

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.

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

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

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.

Are the Rothamsted experiments still relevant to modern farming?

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

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

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, pp. 99-109.

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

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

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

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

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.

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

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

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.

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

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.

Phosphorus movement in drainage water from the Broadbalk Experiment

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

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

Powlson, D. S. and Poulton, P. R. 1998. Using long-term experiments at Rothamsted to address current agricultural and environmental issues. Archiv fur Acker- und Pflanzenbau und Bodenkunde. 42 (6), pp. 455-478.

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

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.

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

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, pp. 137-151.

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

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, pp. 91-107.

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

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, pp. 75-90.

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

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, pp. 5-28.

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

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, pp. 109-120.

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

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, pp. 29-44.

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

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, pp. 121-135.

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

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, pp. 45-60.

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

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, pp. 61-74.

Nitrogen-containing macromolecular moieties in soil organic matter

Van Bergen, P. F., Poulton, P. R. and Evershed, R. P. 1997. Nitrogen-containing macromolecular moieties in soil organic matter.

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

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

Peat - a valuable resource

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

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.

Comparison of fertilizer phosphorus recommendations in Ireland and England and Wales

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

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

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

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

Heckrath, G., Poulton, P. R. and Goulding, K. W. T. 1997. Phosphorus losses in drainage water from an arable silty clay loam soil. 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. 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

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.

Importance of farming practice on the isolation frequency of Thermoactinomyces species

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.

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

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.

Application of 15N labelled materials to soil research

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

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

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

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

Park Grass

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

Hoosfield Continuous Barley

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

Geescroft Wilderness

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

Broadbalk Wheat Experiment

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?

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.

Management and modification procedures for long-term field experiments

Poulton, P. R. 1996. Management and modification procedures for long-term field experiments. Canadian Journal of Plant Science. 76, pp. 587-594.

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

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?

Poulton, P. R. 1996. The Rothamsted long-term experiments: are they still relevant? Canadian Journal of Plant Science. 76, pp. 559-571.

The effect of organic manures on N mineralisation

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

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

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

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. Rotations and Cropping Systems. Aspects of Applied Biology 47 . pp. 453-458

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

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

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.

Modelling changes in soil organic nitrogen on the Broadbalk experiment

Bradbury, N. J., Glendining, M. J. and Poulton, P. R. 1996. Modelling changes in soil organic nitrogen on the Broadbalk experiment. Wiley.

Interpretation difficulties with long-term experiments

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

Geescroft Wilderness, 1883-1995

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

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

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, pp. 825-834.

Modelling changes in soil organic nitrogen on Broadbalk

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

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

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, pp. 1131-1137.

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

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

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

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

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

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.

Phosphorus losses in drainage waters from an arable clay loam soil

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

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

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

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

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

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

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.

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

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

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.

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

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

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

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

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

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

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

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

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.

Environmental consequences of changes in arable agriculture

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

Goulding, K. W. T. and Poulton, P. R. 1992. Unwanted nitrate.

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

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

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

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

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

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

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

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

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.

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

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

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

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

Sources of nitrate leaching from arable soil to aquifers

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

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.

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

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

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.

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.

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.

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.

Goulding, K. W. T., Powlson, D. S., Poulton, P. R., Webster, C. P., Macdonald, A. J. and Glendining, M. J. 1989. Implications to N losses of a switch from inorganic towards organic manures and from continuous arable cropping to ley-arable rotations. Agriculture Group Symposium : future use of nitrogen fertilisers.

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

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.

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

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.

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.

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

Johnston, A. E., Poulton, P. R. and Lane, P. 1986. Modelling the long-term residual effects of phosphorus residues in soil. Journal of the Science of Food and Agriculture. 37 (1), p. 8.

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

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, pp. 27-49.

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

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.

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

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.

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

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.

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

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. Rothamsted Experimental Station Report. 2, pp. 225-237.

Rothamsted garden clover - red clover grown continuously since 1854

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

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. Lawes Agricultural Trust. doi: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

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. 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

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. 2, pp. 99-117.

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

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

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.

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

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. Report - Agricultural Research Council and Ministry of Agriculture Rothamsted Experimental Station. 1973 (2), pp. 134-151.

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