Potassium in soils under different cropping systems. 2. The effects of cropping systems on the retention by the soils of added K not used by crops

Addiscott, T. M. and Johnston, A. E. 1971. Potassium in soils under different cropping systems. 2. The effects of cropping systems on the retention by the soils of added K not used by crops. The Journal of Agricultural Science. 76, pp. 553-561.

Related outputs

Management choices in cereal production: Lessons from the Broadbalk Long-term trial

A - Papers appearing in refereed journals

Poulton, P. R., Powlson, D. S., Gregory, A. S., Glendining, M. J., Clark, S. J., Wilmer, W. S., Macdonald, A. J., Johnston, A. E. and White, R. P. 2024. Management choices in cereal production: Lessons from the Broadbalk Long-term trial. Proceedings of the International Fertiliser Society. 891, p. all. https://doi.org/10.23637/rothamstedlong-term-experiments-guide-2018

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

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

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

Outputs: Potassium Losses from Agricultural Systems

B - Book chapters etc edited externally

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

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 .

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

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

A - Papers appearing in refereed journals

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

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

Potassium fertilization: paradox or K management dilemma?

A - Papers appearing in refereed journals

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

Phosphorus use efficiency and management in agriculture

A - Papers appearing in refereed journals

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

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

D1 - Technical reports: non-confidential

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

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.

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

Letter to the editors of Nutrient Cycling in Agroecosystems

G - Articles in popular magazines and other technical publications

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

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

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.

Emergence or self-organization? Look to the soil population

A - Papers appearing in refereed journals

Addiscott, T. M. 2011. Emergence or self-organization? Look to the soil population. Communicative and Integrative Biology. 4 (4), pp. 469-470. https://doi.org/10.4161/cib.15547

Leaching of chemicals in relation to soil structure

B - Book chapters etc edited externally

Addiscott, T. M. 2011. Leaching of chemicals in relation to soil structure. in: Glinski, J., Lipiec, J. and Horabik, J. (ed.) Encyclopedia of agrophysics Dordrecht Springer. pp. 421-423

Entropy, non-linearity and hierarchy in ecosystems

A - Papers appearing in refereed journals

Addiscott, T. M. 2010. Entropy, non-linearity and hierarchy in ecosystems. Geoderma. 160 (1), pp. 57-63. https://doi.org/10.1016/j.geoderma.2009.11.029

Soil mineralization: an emergent process?

A - Papers appearing in refereed journals

Addiscott, T. M. 2010. Soil mineralization: an emergent process? Geoderma. 160 (1), pp. 31-35. https://doi.org/10.1016/j.geoderma.2010.03.016

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

A new approach to assessing phosphorus use efficiency in agriculture

G - Articles in popular magazines and other technical publications

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

Reply to Kuzyakov et al.'s comments on our paper:'Kemmitt, S., Lanyon, C. V., Waite, I. S., Wen, Q., O'Donnell, A. G., Brookes, P. C., 2008. Mineralization of native soil organic matter is not regulated by the size, activity or composition of the soil microbial biomass - a new perspective. Soil Biology and Biochemistry 40, 61-73'

A - Papers appearing in refereed journals

Brookes, P. C., Kemmitt, S. J., Addiscott, T. M. and Bird, N. R. A. 2009. Reply to Kuzyakov et al.'s comments on our paper:'Kemmitt, S., Lanyon, C. V., Waite, I. S., Wen, Q., O'Donnell, A. G., Brookes, P. C., 2008. Mineralization of native soil organic matter is not regulated by the size, activity or composition of the soil microbial biomass - a new perspective. Soil Biology and Biochemistry 40, 61-73'. Soil Biology and Biochemistry. 41, pp. 440-443. https://doi.org/10.1016/j.soilbio.2008.09.002

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

A - Papers appearing in refereed journals

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

Resource or waste: the reality of nutrient recycling to land

A - Papers appearing in refereed journals

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

Soil and fertilizer phosphorus in relation to crop nutrition

B - Book chapters etc edited externally

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

The first risk benefit assessment of nitrate in vegetables: a European perspective

C2 - Non-edited contributions to conferences

Heppner, C., Dorne, J. L. C. M., Fabiansson, S., Verger, P., Fuerst, P., Fernandez-Cruz, M. L., Van Den Brandt, P., Darnerud, P. O., Speijers, G., Addiscott, T. M. and Cockburn, A. 2008. The first risk benefit assessment of nitrate in vegetables: a European perspective. https://doi.org/10.1016/j.toxlet.2008.06.555

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

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

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

When does nitrate become a risk for humans?

A - Papers appearing in refereed journals

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

Mineralization of native soil organic matter is not regulated by the size, activity or composition of the soil microbial biomass - a new perspective

A - Papers appearing in refereed journals

Kemmitt, S. J., Lanyon, C. V., Waite, I. S., Wen, Q., Addiscott, T. M., Bird, N. R. A., O'donnell, A. G. and Brookes, P. C. 2008. Mineralization of native soil organic matter is not regulated by the size, activity or composition of the soil microbial biomass - a new perspective. Soil Biology and Biochemistry. 40, pp. 61-73. https://doi.org/10.1016/j.soilbio.2007.06.021

Potassium and nitrogen interactions in crop production

A - Papers appearing in refereed journals

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

Nitrate from agriculture: a hazard to health and the environment?

A - Papers appearing in refereed journals

Addiscott, T. M. 2007. Nitrate from agriculture: a hazard to health and the environment? CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources. 2, p. 088 (29pp). https://doi.org/10.1079/PAVSNNR20072088

Haber-Bosch process for the synthesis of ammonia

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2007. Haber-Bosch process for the synthesis of ammonia. Spiked.

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Is it nitrate that threatens life or the scare about nitrate?

A - Papers appearing in refereed journals

Addiscott, T. M. 2006. Is it nitrate that threatens life or the scare about nitrate? Journal of the Science of Food and Agriculture. 86 (13), pp. 2005-2009. https://doi.org/10.1002/jsfa.2573

Dietary nitrate: where is the risk?

G - Articles in popular magazines and other technical publications

L'hirondel, J-L., Avery, A. A. and Addiscott, T. M. 2006. Dietary nitrate: where is the risk? Environmental Health Perspectives. 114, pp. A458-A459.

Soils and environmental issues [Chapter 17]

B - Book chapters etc edited externally

Addiscott, T. M. 2006. Soils and environmental issues [Chapter 17]. in: Warkentin, B. P. (ed.) Footprints in the soil: people and ideas in soil history San Diego Elsevier. pp. 455-503

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

Karl Popper and climate models: reflections on an essay by Henk Tennekes

A - Papers appearing in refereed journals

Addiscott, T. M. 2006. Karl Popper and climate models: reflections on an essay by Henk Tennekes. Energy and Environment. 17, pp. 613-617. https://doi.org/10.1260/095830506778644242

Phosphorus nutrition of arable crops

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Nitrate, agriculture and the environment

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

Addiscott, T. M. 2005. Nitrate, agriculture and the environment. CABI International, Wallingford, Oxon (CABI).

Assessment of phosphorus leaching losses from arable land

A - Papers appearing in refereed journals

Fortune, S., Lu, J., Addiscott, T. M. and Brookes, P. C. 2005. Assessment of phosphorus leaching losses from arable land. Plant and Soil. 269, pp. 99-108. https://doi.org/10.1007/s11104-004-1659-4

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

A - Papers appearing in refereed journals

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

The contribution of commercial fertilizer nutrients to food production

A - Papers appearing in refereed journals

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

Determinants of species richness in the Park Grass Experiment

A - Papers appearing in refereed journals

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

Wavelet analysis of the scale- and location-dependent correlation of modelled and measured nitrous oxide emissions from soil

A - Papers appearing in refereed journals

Milne, A. E., Lark, R. M., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2005. Wavelet analysis of the scale- and location-dependent correlation of modelled and measured nitrous oxide emissions from soil. European Journal of Soil Science. 56 (1), pp. 3-17. https://doi.org/10.1111/j.1365-2389.2004.00650.x

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

Diffusion

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Leeds-Harrison, P. 2005. Diffusion.

Nitrates

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2005. Nitrates.

Lawes, John Bennet and Gilbert, Joseph Henry

G - Articles in popular magazines and other technical publications

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

Micronutrients in soil and agrosystems: occurrence and availability.

A - Papers appearing in refereed journals

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

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

C2 - Non-edited contributions to conferences

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

Quantifying phosphate leaching losses under field conditions

C2 - Non-edited contributions to conferences

Brookes, P. C., Fortune, S. and Addiscott, T. M. 2004. Quantifying phosphate leaching losses under field conditions. Abstracts Eurosoil 2004, Freiburg, 4-12 September 2004 . pp. 160

The dangers of coffee and cabbage

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2004. The dangers of coffee and cabbage. Spiked-health debates.

Risk-assessment for natural chemicals, too?

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2004. Risk-assessment for natural chemicals, too? Spiked-health debates. http://www.spiked-online.com/Articles/0000000CA7CE.htm.

Phosphorus and crop nutrition: principles and practice

B - Book chapters etc edited externally

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

Observations on historical, contemporary, and natural PCDD/Fs

A - Papers appearing in refereed journals

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

Nitrate and health

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Benjamin, N. 2004. Nitrate and health. Proceedings 10th Conference of the Pan-Hellenic Soil Science Society, 22-25 September 2004 . Praktika, Thessalonika. pp. 215-230

Scale- and location-dependent correlation of nitrous oxide emissions with soil properties: an analysis using wavelets

A - Papers appearing in refereed journals

Lark, R. M., Milne, A. E., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2004. Scale- and location-dependent correlation of nitrous oxide emissions with soil properties: an analysis using wavelets. European Journal of Soil Science. 55 (3), pp. 611-627. https://doi.org/10.1111/j.1365-2389.2004.00620.x

Analysing spatially intermittent variation of nitrous oxide emissions from soil with wavelets and the implications for sampling

A - Papers appearing in refereed journals

Lark, R. M., Milne, A. E., Addiscott, T. M., Goulding, K. W. T., Webster, C. P. and O'flaherty, S. 2004. Analysing spatially intermittent variation of nitrous oxide emissions from soil with wavelets and the implications for sampling. European Journal of Soil Science. 55 (3), pp. 601-610. https://doi.org/10.1111/j.1365-2389.2004.00629.x

Nitrate and human health

A - Papers appearing in refereed journals

Addiscott, T. M. and Benjamin, N. 2004. Nitrate and human health. Soil Use and Management. 20 (2), pp. 98-104. https://doi.org/10.1111/j.1475-2743.2004.tb00344.x

Turnover of nitrogen-15-labeled fertilizer in old grassland

A - Papers appearing in refereed journals

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

Sustainable management of potassium

B - Book chapters etc edited externally

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

Soil acidity - resilience and thresholds

B - Book chapters etc edited externally

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

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

C1 - Edited contributions to conferences/learned societies

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

Modeling: potential and limitations

B - Book chapters etc edited externally

Addiscott, T. M. 2003. Modeling: potential and limitations. in: Benbi, D. K. and Nieder, R. (ed.) Handbook of processes and modeling in the soil-plant system Haworth Press, Binghampton. pp. 707-730

Nitrate in groundwater

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2003. Nitrate in groundwater.

Understanding potassium and its use in agriculture

G - Articles in popular magazines and other technical publications

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

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

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

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Effectiveness of different precipitated phosphates as phosphorus sources for plants

A - Papers appearing in refereed journals

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

Soil analysis: it's interpretation and nutrient management practices

G - Articles in popular magazines and other technical publications

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

Using the PSALM model to simulate losses of phosphate in drainage from arable land

C2 - Non-edited contributions to conferences

Addiscott, T. M., Falloon, P. D. and Tuck, G. 2002. Using the PSALM model to simulate losses of phosphate in drainage from arable land. Cambridge University Press (CUP).

Possibilities for reducing nitrate leaching from agricultural land

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Patterns of loss of bromide, phosphate, triallate and chlordane from sandy soil in lysimeters

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M., Hesketh, N. and Brookes, P. C. 2002. Patterns of loss of bromide, phosphate, triallate and chlordane from sandy soil in lysimeters. Proceedings Workshop on Colloids and Colloid-facilitated Transport of Contaminants in Soils and Sediments, Tjele, Denmark, 19-20 September 2002. DIAS Report on Plant Production No. 80 . pp. 193-197

Patterns of loss of bromide, phosphate, triallate and chlordane from sandy soil in lysimeters

C2 - Non-edited contributions to conferences

Addiscott, T. M., Hesketh, N. and Brookes, P. C. 2002. Patterns of loss of bromide, phosphate, triallate and chlordane from sandy soil in lysimeters. Abstracts International Workshop on Rhizosphere, Preferential Flow and Bio-availability: a Holsitic View of Soil-to-Plant Transfer, Monte Verita Ascona, 21-26 September 2002 .

Phosphate losses through field drains in a heavy cultivated soil

C2 - Non-edited contributions to conferences

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2002. Phosphate losses through field drains in a heavy cultivated soil. Proceedings Workshop on Colloids and Colloid-facilitated Transport of Contaminants in Soils and Sediments, Tjele, Denmark, 19-20 September 2002. DIAS Report on Plant Production No. 80 . pp. 213-214

What governs nitrogen loss from forest soils?

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Brookes, P. C. 2002. What governs nitrogen loss from forest soils? Nature. 418 (6898), p. 604. https://doi.org/10.1038/418604a

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

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

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

Understanding phosphorus and its use in agriculture

G - Articles in popular magazines and other technical publications

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

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

A - Papers appearing in refereed journals

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

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

G - Articles in popular magazines and other technical publications

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

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

C1 - Edited contributions to conferences/learned societies

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

Reducing fertiliser inputs: endangering arable soil fertility?

C1 - Edited contributions to conferences/learned societies

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

Soil management for sustainable farming

A - Papers appearing in refereed journals

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

Longterm trends in metals in agroecosystems

C2 - Non-edited contributions to conferences

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

Temporal trends in cadmium in crops and soils

C2 - Non-edited contributions to conferences

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

Organochlorine pesticide residues in archived UK soil

A - Papers appearing in refereed journals

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

Phosphorus, potassium and sulphur cycles in agricultural soils

C1 - Edited contributions to conferences/learned societies

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

Effect of suspended soil material and pig slurry on the facilitated transport of pesticides, phosphate and bromide in sandy soil

A - Papers appearing in refereed journals

Hesketh, N., Brookes, P. C. and Addiscott, T. M. 2001. Effect of suspended soil material and pig slurry on the facilitated transport of pesticides, phosphate and bromide in sandy soil. European Journal of Soil Science. 52 (2), pp. 287-296. https://doi.org/10.1046/j.1365-2389.2001.00378.x

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

A - Papers appearing in refereed journals

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

Principles of crop nutrition for sustainable food production

A - Papers appearing in refereed journals

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

Non-linearity and error in modelling soil processes

A - Papers appearing in refereed journals

Addiscott, T. M. and Tuck, G. 2001. Non-linearity and error in modelling soil processes. European Journal of Soil Science. 52 (1), pp. 129-138. https://doi.org/10.1046/j.1365-2389.2001.00366.x

Sante avez-vous pris votre nitrate?

A - Papers appearing in refereed journals

Addiscott, T. M. and Benjamin, N. 2000. Sante avez-vous pris votre nitrate? Perspectives Agricoles. 259, pp. 24-26.

Avez-vous pris votre nitrate?

A - Papers appearing in refereed journals

Tom Addiscott and Benjamin, N. 2000. Avez-vous pris votre nitrate? Perspectives Agricoles. 259, pp. 24-26.

Soil and plant phosphate

G - Articles in popular magazines and other technical publications

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

Some aspects of nitrogen use efficiency in arable agriculture

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

CRACK-NP, development of a model for predicting pollutant transport in cracking clay soils

A - Papers appearing in refereed journals

Matthews, A. M., Portwood, A. M., Armstrong, A. C., Leeds-Harrison, P. B., Harris, G. L., Catt, J. A. and Addiscott, T. M. 2000. CRACK-NP, development of a model for predicting pollutant transport in cracking clay soils. Soil Use and Management. 16 (4), pp. 279-284. https://doi.org/10.1111/j.1475-2743.2000.tb00210.x

Nitrogen mobility - a review

C1 - Edited contributions to conferences/learned societies

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

Efficient use of nutrients in agricultural production systems

A - Papers appearing in refereed journals

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

Factors controlling P sorption in soils - a review of literature data

C2 - Non-edited contributions to conferences

Falloon, P. D. and Addiscott, T. M. 2000. Factors controlling P sorption in soils - a review of literature data. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

PSALM. A phosphate sorption and leaching model

C2 - Non-edited contributions to conferences

Addiscott, T. M. and Falloon, P. D. 2000. PSALM. A phosphate sorption and leaching model. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Phosphate losses through field drains in a heavy cultivated soil

C2 - Non-edited contributions to conferences

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2000. Phosphate losses through field drains in a heavy cultivated soil. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Simulating nitrate concentrations in water draining from a small arable catchment in England

A - Papers appearing in refereed journals

Tuck, G., Matthews, A. M., Harris, G. L., Dailey, A. G., Armstrong, A. C. and Addiscott, T. M. 2000. Simulating nitrate concentrations in water draining from a small arable catchment in England. Soil Use and Management. 16 (1), pp. 66-70. https://doi.org/10.1111/j.1475-2743.2000.tb00176.x

Some aspects of achieving sustainable phosphorus use in agriculture

A - Papers appearing in refereed journals

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

Phosphate losses through field drains in a heavy cultivated soil

A - Papers appearing in refereed journals

Addiscott, T. M., Brockie, D., Catt, J. A., Christian, D. G., Harris, G. L., Howse, K. R., Mirza, N. A. and Pepper, T. J. 2000. Phosphate losses through field drains in a heavy cultivated soil. Journal of Environmental Quality. 29 (2), pp. 522-532. https://doi.org/10.2134/jeq2000.00472425002900020021x

Are you taking your nitrate?

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Benjamin, N. 2000. Are you taking your nitrate? Food, Science and Technology Today. 14, pp. 59-61.

Tillage, mineralization and leaching: phosphate

A - Papers appearing in refereed journals

Addiscott, T. M. and Thomas, D. 2000. Tillage, mineralization and leaching: phosphate. Soil & Tillage Research. 53 (3/4), pp. 255-273. https://doi.org/10.1016/S0167-1987(99)00110-5

Tillage, mineralization and leaching

A - Papers appearing in refereed journals

Addiscott, T. M. 2000. Tillage, mineralization and leaching. Soil & Tillage Research. 53 (3/4), pp. 163-165. https://doi.org/10.1016/S0167-1987(99)00103-8

FARM-Africa: helping the poor to help themselves

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2000. FARM-Africa: helping the poor to help themselves. Country way. 2000, p. 23.

Making a meal of it

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 2000. Making a meal of it. New Scientist. 165(2224), pp. 48-49.

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

G - Articles in popular magazines and other technical publications

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

SUNDIAL-FRS Version 1.1, 20th January 1999

J - Computer programs

Smith, J. U., Dailey, A. G., Glendining, M. J., Leech, P. K., Tuck, G., Smith, P., Bradbury, N., Bailey, N. and Addiscott, T. M. 1999. SUNDIAL-FRS Version 1.1, 20th January 1999.

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

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

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

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

Organic manures and mineral fertilizers

B - Book chapters etc edited externally

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

The retention and release of phosphorus from soil

G - Articles in popular magazines and other technical publications

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

Managing nitrogen for profitable farming and minimal environmental impact

C2 - Non-edited contributions to conferences

Goulding, K. W. T., Smith, J. U. and Addiscott, T. M. 1999. Managing nitrogen for profitable farming and minimal environmental impact. Proceedings Conference on Agriculture and the Environment: Challenges and Conflicts for the New Millennium, Warwick, 14-16 April 1999 . pp. 257-258

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

A - Papers appearing in refereed journals

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

Nitrate and health: introductory comments

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1999. Nitrate and health: introductory comments. 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. 247-249

Home grown

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1999. Home grown. New Scientist. 162(2190), p. 51.

Validation approaches for field-, basin- and regional-scale water quality models

B - Book chapters etc edited externally

Mulla, D. J. and Addiscott, T. M. 1999. Validation approaches for field-, basin- and regional-scale water quality models. in: Corwin, D. L., Ellsworth, T. R. and Loague, K. (ed.) Assessment of non-point source pollution in the vadose zone AGU, Washington DC. pp. 63-78

Biological weed control via nutrient competition: potassium limitation of dandelions

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

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

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

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

Temporal and spatial up-scaling of agro-ecological simulation models - implications for sustainability studies

C2 - Non-edited contributions to conferences

Richter, G. M. and Addiscott, T. M. 1998. Temporal and spatial up-scaling of agro-ecological simulation models - implications for sustainability studies. Abstracts 5th Congress of the European Society of Agronomy, Nitra, Slovakia, 1998. Vol. 2 . pp. 103-104

SUNDIAL-FRS user guide, version 1.0

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

Glendining, M. J., Bailey, N. J., Smith, J. U., Addiscott, T. M. and Smith, P. 1998. SUNDIAL-FRS user guide, version 1.0. MAFF, London/IACR-Rothamsted, Harpenden.

The art of the applicable. A selection of papers submitted for the degree of Doctor of Science

F - Theses

Addiscott, T. M. 1998. The art of the applicable. A selection of papers submitted for the degree of Doctor of Science. F - Theses

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

Chlordane transport in a sandy soil: effects of suspended soil material and pig slurry

A - Papers appearing in refereed journals

Hesketh, N., Brookes, P. C. and Addiscott, T. M. 1998. Chlordane transport in a sandy soil: effects of suspended soil material and pig slurry. European Journal of Soil Science. 49 (4), pp. 709-716. https://doi.org/10.1046/j.1365-2389.1998.4940709.x

Nutrient management for sustainable crop production in Asia

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

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

Is exchangeable K a sufficient guide for K recommendations?

C2 - Non-edited contributions to conferences

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

Working Group Reports and Conference Summary

B - Book chapters etc edited externally

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

The importance of fertilizers in plant nutrient management

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

Is there chaos in solute transport modelling?

C2 - Non-edited contributions to conferences

Addiscott, T. M. and Mirza, N. A. 1998. Is there chaos in solute transport modelling? Cambridge University Press (CUP).

Modeling the interaction between leaching and intraped diffusion

B - Book chapters etc edited externally

Addiscott, T. M., Armstrong, A. C. and Leeds-Harrison, P. B. 1998. Modeling the interaction between leaching and intraped diffusion. in: Ma, L. and Selim, H. M. (ed.) In I%Physical non-equilibrium in soils: modeling and application Ann Arbor Press, Chelsea, Michigan, MI. pp. 223-241

New paradigms for modelling mass transfers in soils

A - Papers appearing in refereed journals

Addiscott, T. M. and Mirza, N. A. 1998. New paradigms for modelling mass transfers in soils. Soil & Tillage Research. 47 (1-2), pp. 105-109. https://doi.org/10.1016/S0167-1987(98)00081-6

Environmental risk assessment for the interaction between agricultural land and surface water

B - Book chapters etc edited externally

Addiscott, T. M. and Smith, P. 1998. Environmental risk assessment for the interaction between agricultural land and surface water. in: Rose, J. (ed.) Environmental toxicology, current developments Gordon and Breach, Amsterdam. pp. 377-396

Modelling concepts and their relation to the scale of the problem

A - Papers appearing in refereed journals

Addiscott, T. M. 1998. Modelling concepts and their relation to the scale of the problem. Nutrient Cycling in Agroecosystems. 50, pp. 239-245. https://doi.org/10.1023/A:1009796413132

Modelling contaminant transport at catchment or regional scale

A - Papers appearing in refereed journals

Addiscott, T. M. and Mirza, N. A. 1998. Modelling contaminant transport at catchment or regional scale. Agriculture, Ecosystems & Environment. 67 (2-3), pp. 211-221. https://doi.org/10.1016/S0167-8809(97)00120-5

Science and judgement in risk assessment

A - Papers appearing in refereed journals

Smith, P. and Addiscott, T. M. 1997. Science and judgement in risk assessment. Journal of Environmental Quality. 26 (1), pp. 320-320. https://doi.org/10.2134/jeq1997.00472425002600010046x

Integrated plant nutrient management for efficient crop production

C1 - Edited contributions to conferences/learned societies

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

Constructing a nitrogen fertilizer recommendation system using a dynamic model: what do farmers want?

A - Papers appearing in refereed journals

Smith, J. U., Dailey, A. G., Glendining, M. J., Bradbury, N. J., Addiscott, T. M., Smith, P., Bide, A., Boothroyd, D., Brown, E., Cartwright, R., Chorley, R., Cook, S., Cousins, S., Draper, S., Dunn, M., Fisher, A., Griffith, P., Hayes, C., Lock, A., Lord, S., Mackay, J., Malone, C., Mitchell, D., Nettleton, D., Nicholls, D., Overman, H., Purslow, J., Scholey, A., Senior, S. and Sim, L. 1997. Constructing a nitrogen fertilizer recommendation system using a dynamic model: what do farmers want? Soil Use and Management. 13 (4), pp. 225-228. https://doi.org/10.1111/j.1475-2743.1997.tb00592.x

There must be more to chaos than fractals

C2 - Non-edited contributions to conferences

Addiscott, T. M. and Mirza, N. A. 1997. There must be more to chaos than fractals. Abstracts British Society of Soil Science Golden Jubilee Meeting, Newcastle-upon-Tyne, 8-11 September 1997 .

Using models to help limit the environmental impact of fertilizer use

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M., Bradbury, N. J. and Smith, J. U. 1997. Using models to help limit the environmental impact of fertilizer use. Proceedings Dahlia Greidinger International Symposium on Fertilization and the Environment, Haifa, 24-27 March 1997 . pp. 113-126

Constructing a nitrogen fertilizer recommendation system around the dynamic nitrogen turnover model, SUNDIAL

C1 - Edited contributions to conferences/learned societies

Smith, J. U., Dailey, A. G., Glendining, M. J., Bradbury, N. J., Addiscott, T. M., Smith, P. and Taylor, P. 1997. Constructing a nitrogen fertilizer recommendation system around the dynamic nitrogen turnover model, SUNDIAL. Proceedings 1st European Conference on Information Technology in Agriculture, Copenhagen, 15-18 June 1997 . pp. 413-416

A decision support system for nitrogen fertilizer recommendation: what do farmers want?

C2 - Non-edited contributions to conferences

Smith, J. U., Dailey, A. G., Glendining, M. J., Bradbury, N. J., Addiscott, T. M. and Smith, P. 1997. A decision support system for nitrogen fertilizer recommendation: what do farmers want? Proceedings Royal Society of Chemistry Masterclass Conference on Managing the Risks of Nitrates to Humans and the Environment, Colchester, 1-2 September 1997 .

Constructing a nitrogen fertilizer recommendation system: what do farmers want?

C2 - Non-edited contributions to conferences

Smith, J. U., Dailey, A. G., Glendining, M. J., Bradbury, N. J., Addiscott, T. M. and Smith, P. 1997. Constructing a nitrogen fertilizer recommendation system: what do farmers want? Proceedings 1st European Conference on Information Technology in Agriculture, Copenhagen, June 15-18 1997 .

Fertilisers and agriculture: fifty years of developments and challenges

C1 - Edited contributions to conferences/learned societies

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

Peat - a valuable resource

C1 - Edited contributions to conferences/learned societies

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

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

B - Book chapters etc edited externally

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

Alternative paradigms for modelling soil systems

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1997. Alternative paradigms for modelling soil systems.

Getting nitrogen right: the role of the computer and the chlorophyll meter

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Smith, J. U. 1997. Getting nitrogen right: the role of the computer and the chlorophyll meter. Agronomist. 3/97, pp. 7-10.

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

C1 - Edited contributions to conferences/learned societies

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

Decoherence - a useful paradigm for modellers?

C2 - Non-edited contributions to conferences

Addiscott, T. M. 1997. Decoherence - a useful paradigm for modellers? Cambridge University Press (CUP).

Phosphorus loss from soil to water

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

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

A critical review of the value of buffer zone environments as a pollution control tool

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1997. A critical review of the value of buffer zone environments as a pollution control tool. Goulding, K. W. T., Pinay, G., Burt, T. P. and Haycock, N. E. (ed.) Buffer zones: their processes and potential in water protection . Quest Environmental, Harpenden. pp. 236-243

Using models in risk assessment of pollutant losses from agricultural land to water

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Smith, P. 1997. Using models in risk assessment of pollutant losses from agricultural land to water. Zelikoff, J. T. (ed.) Ecotoxicology: Responses, Biomarkers and Risk Assessment: an OECD Workshop . S.O.S. Publications, Fairhaven NJ. pp. 489-506

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

B - Book chapters etc edited externally

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

Phosphorus: essential plant nutrient, possible pollutant

G - Articles in popular magazines and other technical publications

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

A system for improved fertilizer recommendations for arable and horticultural crops

C2 - Non-edited contributions to conferences

Smith, J. U., Dailey, A. G., Glendining, M. J., Bradbury, N. J., Addiscott, T. M., Smith, P. and Taylor, P. 1996. A system for improved fertilizer recommendations for arable and horticultural crops. Abstracts British Society of Soil Science Meeting, Dundee, 23-25 September 1996 .

Sensitivity analysis for regional-scale transport modelling

B - Book chapters etc edited externally

Addiscott, T. M. and Tuck, G. 1996. Sensitivity analysis for regional-scale transport modelling. in: Corwin, D. L. and Loague, K. (ed.) Applications of GIS to the modelling of non-point source pollutants in the vadose zone. (Soil Science Society of America Special Publication 48) SSSA, Madison. pp. 153-162

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

Measuring and modelling nitrogen leaching: parallel problems

A - Papers appearing in refereed journals

Addiscott, T. M. 1996. Measuring and modelling nitrogen leaching: parallel problems. Plant and Soil. 181 (1), pp. 1-6. https://doi.org/10.1007/BF00011284

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

A - Papers appearing in refereed journals

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

Fertilizers and nitrate leaching

B - Book chapters etc edited externally

Addiscott, T. M. 1996. Fertilizers and nitrate leaching. in: Harrison, R. M. and Hester, R. E. (ed.) Agricultural chemicals and the environment (Issues in Environmental Science and Technology 5) Royal Society of Chemistry (RSC), Cambridge. pp. 1-26

SUNDIAL: a PC-based system for simulating nitrogen dynamics in arable land

A - Papers appearing in refereed journals

Smith, J. U., Bradbury, N. J. and Addiscott, T. M. 1996. SUNDIAL: a PC-based system for simulating nitrogen dynamics in arable land. Agronomy Journal. 88 (1), pp. 38-43. https://doi.org/10.2134/agronj1996.00021962008800010008x

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

A - Papers appearing in refereed journals

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

Testing models for sensitivity to changes in the variances of their parameters

C2 - Non-edited contributions to conferences

Addiscott, T. M. and Tuck, G. 1996. Testing models for sensitivity to changes in the variances of their parameters. Cambridge University Press (CUP). https://doi.org/10.1017/S0021859600088869

Quantitative methods to evaluate and compare soil organic matter (SOM) models

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1996. Quantitative methods to evaluate and compare soil organic matter (SOM) models. 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. 181-200

Are polychlorinated biphenyls produced naturally? Results from recent UK investigations

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

The significance of long-term experiments to agricultural research

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

SUNDIAL: simulation of nitrogen dynamics in arable land

C2 - Non-edited contributions to conferences

Addiscott, T. M., Smith, J. U., Bradbury, N. J. and Coleman, K. 1995. SUNDIAL: simulation of nitrogen dynamics in arable land. Proceedings ARIA Nitrate Workshop, IACR-Rothamsted, 25 January 1995 .

Proceedings International Workshop on Phosphorus Loss to Water from Agriculture

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

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

Modelling the fate of crop nutrients in the environment: problems of scale and complexity

A - Papers appearing in refereed journals

Addiscott, T. M. 1995. Modelling the fate of crop nutrients in the environment: problems of scale and complexity. European Journal of Agronomy. 4 (4), pp. 413-417. https://doi.org/10.1016/S1161-0301(14)80093-2

Entropy and sustainability

A - Papers appearing in refereed journals

Addiscott, T. M. 1995. Entropy and sustainability. European Journal of Soil Science. 46 (2), pp. 161-168. https://doi.org/10.1111/j.1365-2389.1995.tb01823.x

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

Phosphate losses in the Woburn Erosion Reference Experiment

C1 - Edited contributions to conferences/learned societies

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

Methods for modelling solute movement in structured soils

B - Book chapters etc edited externally

Armstrong, A., Addiscott, T. M. and Leeds-Harrison, P. 1995. Methods for modelling solute movement in structured soils. in: Trudgill, S. T. (ed.) Solute modelling in catchment systems John Wiley & Sons Chichester, West Sussex. pp. 133-161

Nice nitrate?

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1995. Nice nitrate? New Scientist. 147, pp. 64-65.

Critical evaluation of models and their parameters

A - Papers appearing in refereed journals

Addiscott, T. M., Smith, J. and Bradbury, N. 1995. Critical evaluation of models and their parameters. Journal of Environmental Quality. 24 (5), pp. 803-807. https://doi.org/10.2134/jeq1995.00472425002400050002x

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

A - Papers appearing in refereed journals

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

The origin and fate of cadmium in soil

C1 - Edited contributions to conferences/learned societies

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

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

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

Sustainability - the Rothamsted experience

B - Book chapters etc edited externally

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

Sensitivity analysis for regional-scale solute transport modelling

C2 - Non-edited contributions to conferences

Addiscott, T. M. and Tuck, G. 1995. Sensitivity analysis for regional-scale solute transport modelling. Applications of GIS to the Modeling of Non-point Source Pollutants in the Vadose Zone: Proceedings 1995 Bouyoucos Conference, Riverside, California, May 1995 .

Modelling the fate of crop nutrients in the environment: problems of scale and complexity

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1995. Modelling the fate of crop nutrients in the environment: problems of scale and complexity. Giupponi, C., Morari, F. and Marani, A. (ed.) Modelling the fate of agrochemicals and fertilizers in the environment . European Society for Agronomy. pp. 263-271

Defining aspects of soil fertility to insure continued productivity

B - Book chapters etc edited externally

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

The Rothamsted Classical Experiments

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Nitrophosphates and their use in agriculture - a historical review

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

Modelling the effects of climate change on the hydrology and water quality of structured soils

B - Book chapters etc edited externally

Armstrong, A. C., Matthews, A. M., Portwood, A. M., Addiscott, T. M. and Leeds-Harrison, P. B. 1994. Modelling the effects of climate change on the hydrology and water quality of structured soils. in: Loveland, P. J. and Rounsevell, M. D. A. (ed.) Soil responses to climate change (NATO ASI Series I, Vol 23) Springer, Berlin. pp. 113-135

That uncertain feeling: measuring and modelling nitrogen losses by leaching

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1994. That uncertain feeling: measuring and modelling nitrogen losses by leaching. Water Down Under '94: Proceedings 25th Congress of the International Association of Hydrogeologists, Workshop 2: Measurement and Management of Nitrogen Losses for Groundwater Protection in Agricultural Production Systems, Adelaide, 21 November 1994 . pp. 1-12

Challenges and implications of changes in nitrate limits for natural or potable water

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Gold, A. J. 1994. Challenges and implications of changes in nitrate limits for natural or potable water. Water Down Under 94: Proceedings 25th Congress of the International Association of Hydrogeologists, Adelaide, 21-25 November 1994 . pp. 273-278

Contamination of environmental samples prepared for PCB analysis

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Long-term experiments in agricultural and ecological sciences

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

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

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

B - Book chapters etc edited externally

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

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

B - Book chapters etc edited externally

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

Historical monitoring of organic contaminants in soils

B - Book chapters etc edited externally

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

The Rothamsted Classical Experiments

B - Book chapters etc edited externally

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

Measuring and modelling pollutant transport through soils and beyond: a study in uncertainty

B - Book chapters etc edited externally

Addiscott, T. M. 1994. Measuring and modelling pollutant transport through soils and beyond: a study in uncertainty. in: Barnett, V. and Turkman, K. F. (ed.) Statistics for the environment 2: water related issues John Wiley & Sons Chichester, West Sussex. pp. 249-269

Simulation, prediction, foretelling or prophecy? Some thoughts on pedogenetic modeling

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1994. Simulation, prediction, foretelling or prophecy? Some thoughts on pedogenetic modeling. Bryant, R. B. and Arnold, R. W. (ed.) Quantitative Modeling of Soil Forming Processes.(SSA Special Publication 39) . Soil Science Society of America, Madison. pp. 1-15

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

C2 - Non-edited contributions to conferences

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

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

A - Papers appearing in refereed journals

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

Tillage and crop residue management effects on losses of chemicals from soils

A - Papers appearing in refereed journals

Addiscott, T. M. and Dexter, A. R. 1994. Tillage and crop residue management effects on losses of chemicals from soils. Soil & Tillage Research. 30 (2-4), pp. 125-168. https://doi.org/10.1016/0167-1987(94)90003-5

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

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

B - Book chapters etc edited externally

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

Keeping nitrate in its place

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1994. Keeping nitrate in its place. Agronomist. No 2, pp. 4-5.

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

A - Papers appearing in refereed journals

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

How high should low intensity be on the agenda? A view from Sweden

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1993. How high should low intensity be on the agenda? A view from Sweden. Agronomist. No 3, pp. 4-6.

Potassium leaching from a sandy loam soil

D1 - Technical reports: non-confidential

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

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

A - Papers appearing in refereed journals

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

Simulation modelling and soil behaviour

A - Papers appearing in refereed journals

Addiscott, T. M. 1993. Simulation modelling and soil behaviour. Geoderma. 60, pp. 15-40.

Significance of organic matter in agricultural soils

C1 - Edited contributions to conferences/learned societies

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

Movement of nonionic organic chemicals in agricultural soils

A - Papers appearing in refereed journals

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

Helping farmers to help themselves

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1993. Helping farmers to help themselves. Agronomist. No 3, pp. 2-3.

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

C1 - Edited contributions to conferences/learned societies

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

Modelling the soil-plant system in terms of entropy production

C2 - Non-edited contributions to conferences

Addiscott, T. M. 1993. Modelling the soil-plant system in terms of entropy production. Cambridge University Press (CUP).

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

A - Papers appearing in refereed journals

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C2 - Non-edited contributions to conferences

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

Long-term monitoring of pollutants in soils

C2 - Non-edited contributions to conferences

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

The Rothamsted "Classical" Experiments

C2 - Non-edited contributions to conferences

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

The 'nitrate problem'

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1993. The 'nitrate problem'.

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

A - Papers appearing in refereed journals

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

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

C1 - Edited contributions to conferences/learned societies

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

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

D1 - Technical reports: non-confidential

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

Putting the nitrate issue in perspective

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1992. Putting the nitrate issue in perspective. Shell agriculture. 14, pp. 14-17.

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

C2 - Non-edited contributions to conferences

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

Computer modelling in nutrient management

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1992. Computer modelling in nutrient management. Bajwa, M. S. (ed.) Proceedings International Symposium on Nutrient Management for Sustained Productivity, Vol. 1. Punjab Agricultural University, Ludhiana. pp. 312-323

Partitioning losses of nitrogen fertilizer between leaching and denitrification

A - Papers appearing in refereed journals

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

Organic matter/mineral matter in the context of clean technology

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

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

C1 - Edited contributions to conferences/learned societies

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

Farming, fertilizers and the nitrate problem

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

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

Computer models for nitrogen in arable farming

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1991. Computer models for nitrogen in arable farming. Journal of the Royal Agricultural Society of England. 152, pp. 133-145.

Relating the nitrogen fertilizer needs of winter wheat crops to the soil's mineral nitrogen. Influence of the downward movement of nitrate during winter and spring

A - Papers appearing in refereed journals

Addiscott, T. M. and Darby, R. J. 1991. Relating the nitrogen fertilizer needs of winter wheat crops to the soil's mineral nitrogen. Influence of the downward movement of nitrate during winter and spring. The Journal of Agricultural Science. 117 (2), pp. 241-249. https://doi.org/10.1017/S0021859600065345

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

C2 - Non-edited contributions to conferences

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

Potential changes in soil fertility from arable farming including organic systems

C1 - Edited contributions to conferences/learned societies

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

Soil fertility and soil organic matter

B - Book chapters etc edited externally

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

Simulation of solute leaching in soils of differing permeabilities

A - Papers appearing in refereed journals

Addiscott, T. M. and Whitmore, A. P. 1991. Simulation of solute leaching in soils of differing permeabilities. Soil Use and Management. 7 (2), pp. 94-102. https://doi.org/10.1111/j.1475-2743.1991.tb00856.x

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

A - Papers appearing in refereed journals

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

The Rothamsted soil and crop nitrogen service on Viewdata 1985-1989

A - Papers appearing in refereed journals

Whitmore, A. P., Bland, G. J. and Addiscott, T. M. 1991. The Rothamsted soil and crop nitrogen service on Viewdata 1985-1989. Soil Use and Management. 7 (1), pp. 14-21. https://doi.org/10.1111/j.1475-2743.1991.tb00840.x

Simulation of nitrogen in soil and winter wheat crops: modelling nitrogen turnover through organic matter

A - Papers appearing in refereed journals

Whitmore, A. P., Coleman, K., Bradbury, N. J. and Addiscott, T. M. 1991. Simulation of nitrogen in soil and winter wheat crops: modelling nitrogen turnover through organic matter. Fertilizer Research. 27, pp. 283-291. https://doi.org/10.1007/BF01051134

Simulation of nitrogen in soil and winter wheat crops: a management model that makes best use of limited information

A - Papers appearing in refereed journals

Addiscott, T. M., Bailey, N. J., Bland, G. J. and Whitmore, A. P. 1991. Simulation of nitrogen in soil and winter wheat crops: a management model that makes best use of limited information. Fertilizer Research. 27, pp. 305-312. https://doi.org/10.1007/BF01051136

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

A - Papers appearing in refereed journals

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

Liebig and the Rothamsted experiments

C1 - Edited contributions to conferences/learned societies

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

Nitrogen: balancing crop and environmental priorities

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1990. Nitrogen: balancing crop and environmental priorities. Agronomist. No. 3, pp. 8-10.

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

C1 - Edited contributions to conferences/learned societies

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

Relating the parameters of a leaching model to the percentages of clay and other soil components

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Bailey, N. J. 1990. Relating the parameters of a leaching model to the percentages of clay and other soil components. Jury, W. A., Parker, J. C., Roth, K. and Fluhler, H. (ed.) In %Field-scale water and solute flux in soils$. Birkhauser Verlag, Basel. pp. 209-221

Spatial averaging of solute and water flows in soil

C1 - Edited contributions to conferences/learned societies

Webster, R. and Addiscott, T. M. 1990. Spatial averaging of solute and water flows in soil. Jury, W. A., Parker, J. C., Roth, K. and Fluhler, H. (ed.) Field-scale water and solute flux in soils. Birkhauser Verlag, Basel. pp. 165-173

The nitrate problem

C2 - Non-edited contributions to conferences

Addiscott, T. M. 1990. The nitrate problem. Water: availability, quality and cost. London, 1990. IBC Technical Services Ltd, London.

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

Measurement of nitrate leaching: a review of methods

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1990. Measurement of nitrate leaching: a review of methods. Calvet, R. (ed.) Nitrates, Agriculture, Eau. International Symposium, Paris, 1990. Institut National de la Recherche Agronomique (INRA), Paris. pp. 157-168

Managing nitrate in the environment

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1990. Managing nitrate in the environment. Nitrate Assimilation, Molecular and Genetic Aspects. Third International Symposium, Bombannes, 1990. Abstracts. Institut National de la Recherche Agronomique (INRA), Paris. pp. 33-37

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

C1 - Edited contributions to conferences/learned societies

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

Straw incorporation - its effects on soil fertility.

C2 - Non-edited contributions to conferences

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

Solute transport in the vadose zone: a review of models.

C1 - Edited contributions to conferences/learned societies

Vachaud, G., Vauclin, M. and Addiscott, T. M. 1990. Solute transport in the vadose zone: a review of models. Proceedings of the International Symposium on Water Quality Modeling of Agricultural Non-Point Sources, Part I, Logan, Utah, 1990 , ARS-81. United States Department of Agriculture (USDA) Washington. pp. 81-104

Low input agriculture - is it sustainable?

C1 - Edited contributions to conferences/learned societies

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

An overview of the nitrogen cycle.

C1 - Edited contributions to conferences/learned societies

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

Atmospheric inputs of heavy metals and organic contaminants to agroecosystems

C2 - Non-edited contributions to conferences

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

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

A - Papers appearing in refereed journals

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

Rational potassium manuring for arable cropping systems.

A - Papers appearing in refereed journals

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

The value of long-term experiments - a personal view

B - Book chapters etc edited externally

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

The value of long-term experiments in agricultural research

C1 - Edited contributions to conferences/learned societies

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

The nitrogen cycle in UK arable agriculture.

A - Papers appearing in refereed journals

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

The role of nitrogen in agriculture.

C2 - Non-edited contributions to conferences

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

How safe is water?

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1989. How safe is water? Public Perceptions of Food and Farming - a One-Day Conference, London, 1989, . Association of Agriculture, London. pp. 9-12

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

Laying the ground rules for nitrate.

G - Articles in popular magazines and other technical publications

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

B - Book chapters etc edited externally

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

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

A - Papers appearing in refereed journals

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

Phosphorus cycling in intensive arable agriculture.

C1 - Edited contributions to conferences/learned societies

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Nitrate leaching models and soil heterogeneity

B - Book chapters etc edited externally

Addiscott, T. M. and Bland, G. J. 1988. Nitrate leaching models and soil heterogeneity. in: Jenkinson, D. and Smith, K. A. (ed.) Nitrogen efficiency in agricultural soils London Elsevier. pp. 394-408

Rothamsted and the nitrogen story.

G - Articles in popular magazines and other technical publications

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

A Rothamsted view of nitrogen management.

G - Articles in popular magazines and other technical publications

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

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

C1 - Edited contributions to conferences/learned societies

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

Long-term leakage of nitrate from bare unmanured soil.

A - Papers appearing in refereed journals

Addiscott, T. M. 1988. Long-term leakage of nitrate from bare unmanured soil. Soil Use and Management. 4 (3), pp. 91-95. https://doi.org/10.1111/j.1475-2743.1988.tb00742.x

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

C1 - Edited contributions to conferences/learned societies

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

Atmospheric inputs of cadmium to an arable agricultural system.

C1 - Edited contributions to conferences/learned societies

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

Keeping the balance - a Rothamsted guide.

G - Articles in popular magazines and other technical publications

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

Nitrogen.

G - Articles in popular magazines and other technical publications

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

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

B - Book chapters etc edited externally

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

Rational potassium manuring for arable cropping systems.

A - Papers appearing in refereed journals

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

A simple function for describing the growth and nitrogen uptake of winter cereals.

C1 - Edited contributions to conferences/learned societies

Whitmore, A. P. and Addiscott, T. M. 1988. A simple function for describing the growth and nitrogen uptake of winter cereals. Assessment of nitrogen fertilizer requirement. Proceedings 3rd Meeting NW European Study Group for the Assessment of Nitrogen Fertilizer Requirement, Tune, Denmark, 1988. Ed. N. E. Nielsen.. pp. 137-145

Nitrogen models and soil heterogeneity.

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. and Whitmore, A. P. 1988. Nitrogen models and soil heterogeneity. Assessment of nitrogen fertilizer requirement. Proceedings 3rd Meeting NW European Study Group for the Assessment of Nitrogen Fertilizer Requirement, Tune, Denmark, 1988. Ed. N. E. Nielsen.. pp. 88-95

Farmers, fertilisers and the nitrate flood.

G - Articles in popular magazines and other technical publications

Addiscott, T. M. 1988. Farmers, fertilisers and the nitrate flood. New Scientist. 120 (1633), pp. 50-54.

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

C2 - Non-edited contributions to conferences

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

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

C1 - Edited contributions to conferences/learned societies

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

Rothamsted Multidisciplinary Agronomy

A - Papers appearing in refereed journals

Whitehead, A. G., Hide, G. A., Govier, D. A., Read, Web and Addiscott, T. M. 1987. Rothamsted Multidisciplinary Agronomy. Rothamsted Experimental Station Report. 1987 (part 1), pp. 17-28.

Rothamsted Soils and Crop Production Division and publications

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Nitrogen advice for cereals: present realities and future possibilities

A - Papers appearing in refereed journals

Sylvester-Bradley, R., Addiscott, T. M., Vaidyanathan, L. V., Murray, A. W. A. and Whitmore, A. P. 1987. Nitrogen advice for cereals: present realities and future possibilities. Proceedings - Fertiliser Society, London. 263, pp. 1-36.

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

A - Papers appearing in refereed journals

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

Applications of computer modelling to predict mineral nitrogen in soil and nitrogen in crops.

A - Papers appearing in refereed journals

Whitmore, A. P. and Addiscott, T. M. 1987. Applications of computer modelling to predict mineral nitrogen in soil and nitrogen in crops. Soil Use and Management. 3 (1), pp. 38-43. https://doi.org/10.1111/j.1475-2743.1987.tb00707.x

Estimating the variability of unsaturated soil hydraulic conductivity using simple equations.

A - Papers appearing in refereed journals

Wagenet, R. J. and Addiscott, T. M. 1987. Estimating the variability of unsaturated soil hydraulic conductivity using simple equations. Soil Science of America Journal. 51, pp. 42-47. https://doi.org/10.2136/sssaj1987.03615995005100010008x

The usefulness of expressing nitrogen concentrations in crops on the basis of tissue water.

G - Articles in popular magazines and other technical publications

Leigh, R. A. and Johnston, A. E. 1987. The usefulness of expressing nitrogen concentrations in crops on the basis of tissue water. Journal of the Science of Food and Agriculture. 38 (4), pp. 317-318.

Retrospective analysis of an archived soil collection. II. Cadmium.

A - Papers appearing in refereed journals

Jones, K., Symon, C. J. and Johnston, A. E. 1987. Retrospective analysis of an archived soil collection. II. Cadmium. Science of the Total Environment. 67 (1), pp. 75-89. https://doi.org/10.1016/0048-9697(87)90067-2.

Will Europe return to fallowing?

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Will Europe return to fallowing? SPAN. 30, pp. 53-54.

Reducing nitrate pollution.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Reducing nitrate pollution.

Straw incorporation and its implications for crop protection and wildlife.

G - Articles in popular magazines and other technical publications

Johnston, A. E., Smith, B. and Patterson, D. 1987. Straw incorporation and its implications for crop protection and wildlife.

Le soufre en Grande-Bretagne.

G - Articles in popular magazines and other technical publications

McGrath, S. P. and Johnston, A. E. 1987. Le soufre en Grande-Bretagne. Perspectives Agricoles. 111, pp. 45-47.

Nitrogen - maximising benefits and minimising problems.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1987. Nitrogen - maximising benefits and minimising problems.

A function for describing nitrogen uptake, dry matter production and rooting by wheat crops.

A - Papers appearing in refereed journals

Whitmore, A. P. and Addiscott, T. M. 1987. A function for describing nitrogen uptake, dry matter production and rooting by wheat crops. Plant and Soil. 101 (1), pp. 51-60. https://doi.org/10.1007/BF02371030

Computer simulation of changes in soil mineral nitrogen and crop nitrogen during autumn, winter and spring.

A - Papers appearing in refereed journals

Addiscott, T. M. and Whitmore, A. P. 1987. Computer simulation of changes in soil mineral nitrogen and crop nitrogen during autumn, winter and spring. The Journal of Agricultural Science. 109 (1), pp. 141-157. https://doi.org/10.1017/S0021859600081089

Rothamsted Soils Division

A - Papers appearing in refereed journals

Johnston, A. E. 1986. Rothamsted Soils Division. Rothamsted Experimental Station Report. 1986 (part 1), pp. 137-166;186-191.

Rothamsted Multidisciplinary Agronomy

A - Papers appearing in refereed journals

Whitehead, A. G., webb, Hide, G. A., Govier, D. A., read, henderson and Addiscott, T. M. 1986. Rothamsted Multidisciplinary Agronomy. Rothamsted Experimental Station Report. 1986 (part 1), pp. 23-37.

Cadmium : temporal trends in archived soils from a semi-rural location in the UK In: Chemicals in the environment ed. J.M. Lester, R. Perry and, R.M. Sterritt, 553-559

D1 - Technical reports: non-confidential

Jones, K. C., Symon, C. J. and Johnston, A. E. 1986. Cadmium : temporal trends in archived soils from a semi-rural location in the UK In: Chemicals in the environment ed. J.M. Lester, R. Perry and, R.M. Sterritt, 553-559.

The nitrogen cycle in the Broadbalk Wheat Experiment : recovery and losses of 15N-labelled fertilizer applied in spring and inputs of nitrogen from the atmosphere

A - Papers appearing in refereed journals

Powlson, D. S., Pruden, G., Johnston, A. E. and Jenkinson, D. S. 1986. The nitrogen cycle in the Broadbalk Wheat Experiment : recovery and losses of 15N-labelled fertilizer applied in spring and inputs of nitrogen from the atmosphere. The Journal of Agricultural Science. 107 (3), pp. 591-609. https://doi.org/10.1017/S0021859600069768

The nitrogen cycle under continuous winter wheat

G - Articles in popular magazines and other technical publications

Jenkinson, D. S., Powlson, D. S. and Johnston, A. E. 1986. The nitrogen cycle under continuous winter wheat.

AFRC Research on straw disposal.

G - Articles in popular magazines and other technical publications

Johnston, A. E. 1986. AFRC Research on straw disposal.

Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley

A - Papers appearing in refereed journals

Leigh, R. A., Chater, M., Storey, R. and Johnston, A. E. 1986. Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley. Plant, Cell and Environment. 9 (7), pp. 595-604. https://doi.org/10.1111/1365-3040.ep11616346

An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley.

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1986. An investigation of the usefulness of phosphorus concentrations in tissue water as indicators of the phosphorus status of field-grown spring barley. The Journal of Agricultural Science. 107 (2), pp. 329-333. https://doi.org/10.1017/S0021859600087128

Application of simple leaching models in heterogeneous soils.

A - Papers appearing in refereed journals

Addiscott, T. M., Heys, P. J. and Whitmore, A. P. 1986. Application of simple leaching models in heterogeneous soils. Geoderma. 38 (1-4), pp. 185-194. https://doi.org/10.1016/0016-7061(86)90014-5

Phosphate fertilisers - is water solubility important?

A - Papers appearing in refereed journals

Copestake, K. G., Johnston, A. E., Paulson, G. A. and Richards, I. R. 1986. Phosphate fertilisers - is water solubility important? Journal of the Science of Food and Agriculture. 37 (1), pp. 18-19.

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

A - Papers appearing in refereed journals

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

Cadmium accumulation in soils from long-continued applications of superphosphate.

A - Papers appearing in refereed journals

Rothbaum, H. P., Goguel, R. L., Johnston, A. E. and Mattingly, G. E. G. 1986. Cadmium accumulation in soils from long-continued applications of superphosphate. Journal of Soil Science. 37 (1), pp. 99-107. https://doi.org/10.1111/j.1365-2389.1986.tb00011.x

Soil organic matter, effects on soils and crops

A - Papers appearing in refereed journals

Johnston, A. E. 1986. Soil organic matter, effects on soils and crops. Soil Use and Management. 2 (3), pp. 97-105. https://doi.org/10.1111/j.1475-2743.1986.tb00690.x

Sulphur - crop nutrient and fungicide.

G - Articles in popular magazines and other technical publications

McGrath, S. P. and Johnston, A. E. 1986. Sulphur - crop nutrient and fungicide. SPAN. 29, pp. 57-59.

Putting nitrogen predictions on the screen. The soil and crop nitrogen viewdata service from Rothamsted and ADAS.

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Whitmore, A. P. 1986. Putting nitrogen predictions on the screen. The soil and crop nitrogen viewdata service from Rothamsted and ADAS. Soil and Water. 14, pp. 17-19.

Computer simulation of winter leaching losses of nitrate from soils cropped with winter wheat.

A - Papers appearing in refereed journals

Whitmore, A. P. and Addiscott, T. M. 1986. Computer simulation of winter leaching losses of nitrate from soils cropped with winter wheat. Soil Use and Management. 2 (1), pp. 26-30. https://doi.org/10.1111/j.1475-2743.1986.tb00674.x

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

Looking to the future

G - Articles in popular magazines and other technical publications

Addiscott, T. M. and Whitmore, A. P. 1986. Looking to the future. Fertiliser Review.

Nitrogen concentrations in field-grown spring barley: an examination of the usefulness of expressing concentrations on the basis of tissue water

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1985. Nitrogen concentrations in field-grown spring barley: an examination of the usefulness of expressing concentrations on the basis of tissue water. The Journal of Agricultural Science. 105 (2), pp. 397-406. https://doi.org/10.1017/S0021859600056458

Yield and nitrogen-fixation of melilotus-alba

A - Papers appearing in refereed journals

McEwen, J. and Johnston, A. E. 1985. Yield and nitrogen-fixation of melilotus-alba. Field Crops Research. 12 (2), pp. 187-188. https://doi.org/10.1016/0378-4290(85)90065-6

Concepts of solute leaching in soils - a review of modeling approaches

A - Papers appearing in refereed journals

Addiscott, T. M. and Wagenet, R. J. 1985. Concepts of solute leaching in soils - a review of modeling approaches. Journal of Soil Science. 36 (3), pp. 411-424. https://doi.org/10.1111/j.1365-2389.1985.tb00347.x

A simple method for combining soil properties that show variability.

A - Papers appearing in refereed journals

Addiscott, T. M. and Wagenet, R. J. 1985. A simple method for combining soil properties that show variability. Soil Science Society of America Journal. 49 (6), pp. 1365-1369. https://doi.org/10.2136/sssaj1985.03615995004900060007x

The effect of straw incorporation on the uptake of nitrogen by winter wheat.

A - Papers appearing in refereed journals

Powlson, D. S., Jenkinson, D. S., Pruden, G. and Johnston, A. E. 1985. The effect of straw incorporation on the uptake of nitrogen by winter wheat. Journal of the Science of Food and Agriculture. 36 (1), pp. 26-30. https://doi.org/10.1002/jsfa.2740360105

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.

Modelling of the nitrogen requirement of cereals

B - Book chapters etc edited externally

Tinker, P. B. and Addiscott, T. M. 1984. Modelling of the nitrogen requirement of cereals. in: In : The nitrogen requirement of cereals : proceedings of a conference organised by ADAS September 1982 HMSO. pp. 265-281

Assessing the need of maincrop potatoes for late nitrogen by using isobutylidene di-urea by injecting nitrification inhibitors with aqueous N fertilizers and by dividing dressings of "Nitro-chalk"

A - Papers appearing in refereed journals

Penny, A., Addiscott, T. M. and Widdowson, F. V. 1984. Assessing the need of maincrop potatoes for late nitrogen by using isobutylidene di-urea by injecting nitrification inhibitors with aqueous N fertilizers and by dividing dressings of "Nitro-chalk". The Journal of Agricultural Science. 103 (3), pp. 577-585. https://doi.org/10.1017/S0021859600043707

Rothamsted garden clover - red clover grown continuously since 1854

A - Papers appearing in refereed journals

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

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

A - Papers appearing in refereed journals

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

Towards a better understanding of critical nutrient concentrations in crops

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. Towards a better understanding of critical nutrient concentrations in crops. Journal of the Science of Food and Agriculture. 34 (3), pp. 265-266. https://doi.org/10.1002/jsfa.2740340310

Spatial variation of soil-nitrogen and related factors

A - Papers appearing in refereed journals

Whitmore, A. P., Addiscott, T. M., Webster, R. and Thomas, V. H. 1983. Spatial variation of soil-nitrogen and related factors. Journal of the Science of Food and Agriculture. 34 (3), pp. 268-269. https://doi.org/10.1002/jsfa.2740340310

The effects of fertilizers and drought on the concentrations of potassium in the dry-matter and tissue water of field-grown spring barley

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. The effects of fertilizers and drought on the concentrations of potassium in the dry-matter and tissue water of field-grown spring barley. The Journal of Agricultural Science. 101 (DEC), pp. 741-748. https://doi.org/10.1017/s0021859600038788

Concentrations of potassium in the dry-matter and tissue water of field-grown spring barley and their relationships to grain-yield

A - Papers appearing in refereed journals

Leigh, R. A. and Johnston, A. E. 1983. Concentrations of potassium in the dry-matter and tissue water of field-grown spring barley and their relationships to grain-yield. The Journal of Agricultural Science. 101 (DEC), pp. 675-685. https://doi.org/10.1017/s0021859600038703

Computer assessment of soil n status in spring - can it improve n efficiency

A - Papers appearing in refereed journals

Addiscott, T. M. 1983. Computer assessment of soil n status in spring - can it improve n efficiency. Journal of the Science of Food and Agriculture. 34 (7), pp. 710-711. https://doi.org/10.1002/jsfa.2740340707

Measurement and simulation of anion diffusion in natural soil aggregates and clods

A - Papers appearing in refereed journals

Addiscott, T. M., Thomas, V. H. and Janjua, M. A. 1983. Measurement and simulation of anion diffusion in natural soil aggregates and clods. Journal of Soil Science. 34 (4), pp. 709-721. https://doi.org/10.1111/j.1365-2389.1983.tb01066.x

Kinetics and temperature relationships of mineralization and nitrification in Rothamsted soils with differing histories

A - Papers appearing in refereed journals

Addiscott, T. M. 1983. Kinetics and temperature relationships of mineralization and nitrification in Rothamsted soils with differing histories. Journal of Soil Science. 34 (2), pp. 343-353. https://doi.org/10.1111/j.1365-2389.1983.tb01040.x

Measured and simulated behavior of fluometuron, aldoxycarb and chloride-ion in a fallow structured soil

A - Papers appearing in refereed journals

Nicholls, P. H., Bromilow, R. H. and Addiscott, T. M. 1982. Measured and simulated behavior of fluometuron, aldoxycarb and chloride-ion in a fallow structured soil. Pesticide Science. 13 (5), pp. 475-483. https://doi.org/10.1002/ps.2780130504

Simulating diffusion within soil aggregates: a simple model for cubic and other regularly shaped aggregates

A - Papers appearing in refereed journals

Addiscott, T. M. 1982. Simulating diffusion within soil aggregates: a simple model for cubic and other regularly shaped aggregates. Soil Science. 33 (1), pp. 37-45. https://doi.org/10.1111/j.1365-2389.1982.tb01745.x

Experimental and theoretical aspects of solute diffusion in spherical and nonspherical aggregates

A - Papers appearing in refereed journals

Rao, P. S. C, Jessup, R. E. and Addiscott, T. M. 1982. Experimental and theoretical aspects of solute diffusion in spherical and nonspherical aggregates. Soil Science. 133 (6), pp. 342-349.

Growth of spring barley under drought - crop development, photosynthesis, dry-matter accumulation and nutrient content

A - Papers appearing in refereed journals

Lawlor, D. W., Day, W., Johnston, A. E., Legg, B. J. and Parkinson, K. J. 1981. Growth of spring barley under drought - crop development, photosynthesis, dry-matter accumulation and nutrient content. The Journal of Agricultural Science. 96 (FEB), pp. 167-186. https://doi.org/10.1017/s002185960003197x

Agricultural use of lime

A - Papers appearing in refereed journals

Johnston, A. E. 1981. Agricultural use of lime. Journal of the Science of Food and Agriculture. 32 (10), pp. 991-992.

The use of lime on agricultural soils

A - Papers appearing in refereed journals

Johnston, A. E. and Whinham, W. N. 1980. The use of lime on agricultural soils. Proceedings of the Fertiliser Society. 189, pp. 3-31.

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

A - Papers appearing in refereed journals

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

Release of potassium as measured in field experiments

A - Papers appearing in refereed journals

Johnston, A. E. 1980. Release of potassium as measured in field experiments. Journal of the Science of Food and Agriculture. 31 (10), pp. 1078-1078.

Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk

A - Papers appearing in refereed journals

Widdowson, F. V., Johnston, A. E. and Penny, A. 1980. Multifactorial experimentation on continuous winter-wheat grown in sandy clay soil at Saxmundham, Suffolk. The Journal of Agricultural Science. 94 (FEB), pp. 155-170. https://doi.org/10.1017/s002185960002801x

Initial results of the investigation of nitrogen losses from agricultural soils into the chalk aquifer

A - Papers appearing in refereed journals

Addiscott, T. M., Oakes, D. B., Williams, R. J. B. and Young, C. P. 1980. Initial results of the investigation of nitrogen losses from agricultural soils into the chalk aquifer. Journal of the Science of Food and Agriculture. 31 (8), pp. 842-843. https://doi.org/10.1002/jsfa.2740310814

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

A - Papers appearing in refereed journals

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

Yields of and P, K ,Ca, Mg uptakes by crops grown in an experiment testing the effects of adding peat to a sandy loam soil at Woburn 1963-1977

A - Papers appearing in refereed journals

Johnston, A. E. and Brookes, P. C. 1979. Yields of and P, K ,Ca, Mg uptakes by crops grown in an experiment testing the effects of adding peat to a sandy loam soil at Woburn 1963-1977. Rothamsted Experimental Station Report. 2, pp. 83-98.

Uranium accumulation in soils from long-continued applications of superphosphate

A - Papers appearing in refereed journals

Rothbaum, H. P., McGaveston, D. A., Wall, T., Johnston, A. E. and Mattingly, G. E. G. 1979. Uranium accumulation in soils from long-continued applications of superphosphate. Journal of Soil Science. 30 (1), pp. 147-153. https://doi.org/10.1111/j.1365-2389.1979.tb00972.x

Soil structure and leaching of solutes

A - Papers appearing in refereed journals

Addiscott, T. M. 1979. Soil structure and leaching of solutes. Journal of the Science of Food and Agriculture. 30 (7), pp. 749-749. https://doi.org/10.1002/jsfa.2740300715

Effects of subsoiling and deep incorporation of p-fertilizers and k-fertilizers on the yield and nutrient-uptake of barley, potatoes, wheat and sugar-beet grown in rotation

A - Papers appearing in refereed journals

McEwen, J. and Johnston, A. E. 1979. Effects of subsoiling and deep incorporation of p-fertilizers and k-fertilizers on the yield and nutrient-uptake of barley, potatoes, wheat and sugar-beet grown in rotation. The Journal of Agricultural Science. 92 (JUN), pp. 695-702. https://doi.org/10.1017/s0021859600053946

Effects of different watering methods, soil weights, soil diluents and soil coverings on the yield and nutrient uptake by ryegrass grown in a controlled environment

A - Papers appearing in refereed journals

Brookes, P. C., Gildon, A., Lane, P. W. and Johnston, A. E. 1979. Effects of different watering methods, soil weights, soil diluents and soil coverings on the yield and nutrient uptake by ryegrass grown in a controlled environment. Journal of the Science of Food and Agriculture. 30 (5), pp. 528-531. https://doi.org/10.1002/jsfa.2740300514

Effect of soil improvers on seedling emergence, early growth and final yield

A - Papers appearing in refereed journals

Johnston, A. E. 1979. Effect of soil improvers on seedling emergence, early growth and final yield. Journal of the Science of Food and Agriculture. 30 (3), pp. 338-338.

Glycoluril as a slow-release nitrogen source for plants

A - Papers appearing in refereed journals

Addiscott, T. M. and Thomas, V. H. 1979. Glycoluril as a slow-release nitrogen source for plants. Chemistry & Industry. 9 (1), pp. 29-30.

Drought experiment using mobile shelters - effect of drought on barley yield, water-use and nutrient-uptake

A - Papers appearing in refereed journals

Day, W., Legg, B. J., French, B. K., Johnston, A. E., Lawlor, D. W. and Jeffers, W. D. C. 1978. Drought experiment using mobile shelters - effect of drought on barley yield, water-use and nutrient-uptake. The Journal of Agricultural Science. 91 (DEC), pp. 599-623. https://doi.org/10.1017/s0021859600059992

Chloride leaching in the Rothamsted drain gauges: influence of rainfall pattern and soil structure

A - Papers appearing in refereed journals

Addiscott, T. M., Rose, D. A. and Bolton, J. 1978. Chloride leaching in the Rothamsted drain gauges: influence of rainfall pattern and soil structure. Journal of Soil Science. 29 (3), pp. 305-314. https://doi.org/10.1111/j.1365-2389.1978.tb00778.x

Soil organic matter in the Hoosfield continuous barley experiment

A - Papers appearing in refereed journals

Jenkinson, D. S. and Johnston, A. E. 1977. Soil organic matter in the Hoosfield continuous barley experiment. Rothamsted Experimental Station Report. 2, pp. 87-101.

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

A - Papers appearing in refereed journals

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

Some effects of nitrogen nutrition on absorption and distribution of other nutrients

A - Papers appearing in refereed journals

Addiscott, T. M. 1977. Some effects of nitrogen nutrition on absorption and distribution of other nutrients. Journal of the Science of Food and Agriculture. 28 (9), pp. 873-873. https://doi.org/10.1002/jsfa.2740280916

A simple computer-model for leaching in structured soils

A - Papers appearing in refereed journals

Addiscott, T. M. 1977. A simple computer-model for leaching in structured soils. Journal of Soil Science. 28 (4), pp. 554-563. https://doi.org/10.1111/j.1365-2389.1977.tb02263.x

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

A - Papers appearing in refereed journals

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

Additions and removals of nitrogen and phosphorus in long-term experiments at Rothamsted and Woburn and the effect of the residues on total soil nitrogen and phosphorus [wheat, barley, England]

A - Papers appearing in refereed journals

Johnston, A. E. 1976. Additions and removals of nitrogen and phosphorus in long-term experiments at Rothamsted and Woburn and the effect of the residues on total soil nitrogen and phosphorus [wheat, barley, England]. Technical Bulletin Ministry of Agriculture Fisheries and Food. pp. 111-144.

Sulphur-coated urea as a fertiliser for potatoes

A - Papers appearing in refereed journals

Cox, D. and Addiscott, T. M. 1976. Sulphur-coated urea as a fertiliser for potatoes. Journal of the Science of Food and Agriculture. 27 (11), pp. 1015-1020. https://doi.org/10.1002/jsfa.2740271106

Some factors affecting crop response to soil-phosphorus

A - Papers appearing in refereed journals

Johnston, A. E. 1976. Some factors affecting crop response to soil-phosphorus. Journal of the Science of Food and Agriculture. 27 (6), pp. 590-590.

Modern developments in an experiment on permanent grassland started in 1856 - effects of fertilizers and lime on botanical composition and crop and soil analyses

A - Papers appearing in refereed journals

Thurston, J. M., Williams, E. D. and Johnston, A. E. 1976. Modern developments in an experiment on permanent grassland started in 1856 - effects of fertilizers and lime on botanical composition and crop and soil analyses. Annales Agronomiques. 27 (5-6), pp. 1043-1082. https://doi.org/10.23637/rothamsted.8vwq8

Long-term rotation experiments at Rothamsted and Saxmundham-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design

A - Papers appearing in refereed journals

Mattingly, G. E. G. and Johnston, A. E. 1976. Long-term rotation experiments at Rothamsted and Saxmundham-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design. Annales Agronomiques. 27 (5-6), pp. 743-769.

Experiments on the continuous growth of arable crops at Rothamsted and Woburn-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design

A - Papers appearing in refereed journals

Johnston, A. E. and Mattingly, G. E. G. 1976. Experiments on the continuous growth of arable crops at Rothamsted and Woburn-Experimental-Stations - effects of treatments on crop yields and soil analyses and recent modifications in purpose and design. Annales Agronomiques. 27 (5-6), pp. 927-956. https://doi.org/10.23637/rothamsted.8vq51

Winter leaching of nitrate from autumn-applied calcium nitrate, ammonium sulphate, urea and sulphur-coated urea in bare soil

A - Papers appearing in refereed journals

Addiscott, T. M. and Cox, D. 1976. Winter leaching of nitrate from autumn-applied calcium nitrate, ammonium sulphate, urea and sulphur-coated urea in bare soil. The Journal of Agricultural Science. 87 (2), pp. 381-389. https://doi.org/10.1017/S0021859600027696

Nutrient concentrations and interactions in young leaves of potato plants growing with and without tubers

A - Papers appearing in refereed journals

Addiscott, T. M. 1976. Nutrient concentrations and interactions in young leaves of potato plants growing with and without tubers. Annals of Botany. 40, pp. 65-72. https://doi.org/10.1093/oxfordjournals.aob.a085115

Woburn Experimental Farm: a hundred years of agricultural research

A - Papers appearing in refereed journals

Johnston, A. E. 1975. Woburn Experimental Farm: a hundred years of agricultural research. Journal of the Royal Agricultural Society of England. 138, pp. 18-26.

Experiments made on Stackyard Field, Woburn, 1876-1974. I. History of the Field, Details of the Cropping and Manuring and the Yields in the Continuous Wheat and Barley Experiments

A - Papers appearing in refereed journals

Johnston, A. E. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. I. History of the Field, Details of the Cropping and Manuring and the Yields in the Continuous Wheat and Barley Experiments. Rothamsted Experimental Station Report. 2, pp. 29-44. https://doi.org/10.23637/ERADOC-1-33158

The Woburn Market Garden experiment, 1942-1969. II: The effect of the treatments on soil pH, soil carbon, nitrogen, phosphorus and potassium

A - Papers appearing in refereed journals

Johnston, A. E. 1975. The Woburn Market Garden experiment, 1942-1969. II: The effect of the treatments on soil pH, soil carbon, nitrogen, phosphorus and potassium. Rothamsted Experimental Station Report. 2, pp. 102-132. https://doi.org/10.23637/ERADOC-1-33161

Experiments made on Stackyard Field, Woburn, 1876-1974. II. Effects of treatments on soil pH, P and K in the Continuous Wheat and Barley Experiments

A - Papers appearing in refereed journals

Johnston, A. E. and Chater, M. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. II. Effects of treatments on soil pH, P and K in the Continuous Wheat and Barley Experiments. Rothamsted Experimental Station Report. 2, pp. 45-60. https://doi.org/10.23637/ERADOC-1-33159

The Woburn Market Garden experiment 1942-1969 I. A history of the experiment, details of the treatments and yields of the crops

A - Papers appearing in refereed journals

Johnston, A. E. and Wedderburn, R. W. M. 1975. The Woburn Market Garden experiment 1942-1969 I. A history of the experiment, details of the treatments and yields of the crops. Rothamsted Experimental Station Report. 2, pp. 79-101. https://doi.org/10.23637/ERADOC-1-33161

Experiments made on Stackyard Field, Woburn, 1876-1974. III. Effects of NPK Fertilisers and Farmyard Manure on Soil Carbon, Nitrogen and Organic Phosphorus

A - Papers appearing in refereed journals

Mattingly, G. E. G., Chater, M. and Johnston, A. E. 1975. Experiments made on Stackyard Field, Woburn, 1876-1974. III. Effects of NPK Fertilisers and Farmyard Manure on Soil Carbon, Nitrogen and Organic Phosphorus. Rothamsted Experimental Station Report. 1974 (2), pp. 61-77. https://doi.org/10.23637/ERADOC-1-33160

Potassium in soils under different cropping systems 3. Non-exchangeable potassium in soils from long-term experiments at Rothamsted and Woburn

A - Papers appearing in refereed journals

Addiscott, T. M. and Johnston, A. E. 1975. Potassium in soils under different cropping systems 3. Non-exchangeable potassium in soils from long-term experiments at Rothamsted and Woburn. The Journal of Agricultural Science. 84, pp. 513-524.

The behaviour of K remaining in soils from the Agdell experiment at Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments

A - Papers appearing in refereed journals

Johnston, A. E. and Mitchell, J. D. D. 1974. The behaviour of K remaining in soils from the Agdell experiment at Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments. Rothamsted Experimental Station Report. 1973 (2), pp. 74-94.

Effects of potassium on distributions and concentrations of mineral nutrients in potato plants

A - Papers appearing in refereed journals

Addiscott, T. M. 1974. Effects of potassium on distributions and concentrations of mineral nutrients in potato plants. Journal of the Science of Food and Agriculture. 25 (7), pp. 882-882. https://doi.org/10.1002/jsfa.2740250719

Potassium in relation to transport of carbohydrate and ions in plants

C1 - Edited contributions to conferences/learned societies

Addiscott, T. M. 1974. Potassium in relation to transport of carbohydrate and ions in plants. Potassium research and agricultural production: In : Proceedings 10th Congress International Potash Institute, Budapest 1974. pp. 205-220

Potassium and the distribution of calcium and magnesium in potato plants

A - Papers appearing in refereed journals

Addiscott, T. M. 1974. Potassium and the distribution of calcium and magnesium in potato plants. Journal of the Science of Food and Agriculture. 25 (9), pp. 1173-1183. https://doi.org/10.1002/jsfa.2740250915

Potassium and the absorption of calcium and magnesium by potato plants from soil

A - Papers appearing in refereed journals

Addiscott, T. M. 1974. Potassium and the absorption of calcium and magnesium by potato plants from soil. Journal of the Science of Food and Agriculture. 25 (9), pp. 1165-72. https://doi.org/10.1002/jsfa.2740250914

The effects of ley arable systems of farming on soil potassium reserves - Report from potassium systems of grassland farming

D1 - Technical reports: non-confidential

Johnston, A. E. 1973. The effects of ley arable systems of farming on soil potassium reserves - Report from potassium systems of grassland farming. Lawes Agricultural Trust, (LAT) Harpenden. https://doi.org/10.23637/ERADOC-1-34692

Changes in soil properties caused by the new liming scheme on Park Grass

A - Papers appearing in refereed journals

Johnston, A. E. 1972. Changes in soil properties caused by the new liming scheme on Park Grass. Rothamsted Experimental Station Report. 1971 (2), pp. 177-180.

The effects of ley and arable cropping systems on the amounts of soil organic matter in the Rothamsted and Woburn ley-arable experiment

A - Papers appearing in refereed journals

Johnston, A. E. 1972. The effects of ley and arable cropping systems on the amounts of soil organic matter in the Rothamsted and Woburn ley-arable experiment. Rothamsted Experimental Station Report. 1972 (2), pp. 131-159.

The effects of ley arable systems of farming on soil potassium reserves

A - Papers appearing in refereed journals

Johnston, A. E. 1971. The effects of ley arable systems of farming on soil potassium reserves . Report from potassium systems of grassland farming. pp. 1-5.

Potassium residues in soils from experiments at Rothamsted and Woburn

A - Papers appearing in refereed journals

Johnston, A. E. 1971. Potassium residues in soils from experiments at Rothamsted and Woburn. Technical Bulletin Ministry of Agriculture Fisheries and Food. 20, pp. 220-236.

The Agdell experiment - Estimates of the P and K accumulated from fertiliser dressings given between 1848-1951 their recovery by grass between 1958 and 1970 and their effect on the response by grass to new dressings of P and K

A - Papers appearing in refereed journals

Johnston, A. E. and Penny, A. 1971. The Agdell experiment - Estimates of the P and K accumulated from fertiliser dressings given between 1848-1951 their recovery by grass between 1958 and 1970 and their effect on the response by grass to new dressings of P and K. Rothamsted Experimental Station Report. 1970 (2), pp. 38-68.

Potassium in soils under different cropping systems 1. Behaviour of K remaining in soils from classical and rotation experiments at Rothamsted and Woburn and evaluation of methods of measuring soil potassium

A - Papers appearing in refereed journals

Johnston, A. E. and Addiscott, T. M. 1971. Potassium in soils under different cropping systems 1. Behaviour of K remaining in soils from classical and rotation experiments at Rothamsted and Woburn and evaluation of methods of measuring soil potassium. The Journal of Agricultural Science. 76 (3), pp. 539-552. https://doi.org/10.1017/S0021859600069549

The transport of potassium to ryegrass roots in soils with and without added potassium

A - Papers appearing in refereed journals

Addiscott, T. M. and Talibudeen, O. 1971. The transport of potassium to ryegrass roots in soils with and without added potassium. The Journal of Agricultural Science. 76 (3), pp. 411-418. https://doi.org/10.1017/S0021859600069380

The value of residues from long-period manuring at Rothamsted and Woburn I Introduction

A - Papers appearing in refereed journals

Johnston, A. E. 1970. The value of residues from long-period manuring at Rothamsted and Woburn I Introduction. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 5-6. https://doi.org/10.23637/ERADOC-1-34860

The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert

A - Papers appearing in refereed journals

Johnston, A. E. 1970. The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 7-21. https://doi.org/10.23637/ERADOC-1-34861

The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made

A - Papers appearing in refereed journals

Johnston, A. E. and Warren, R. G. 1970. The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 22-38. https://doi.org/10.23637/ERADOC-1-34862

The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate

A - Papers appearing in refereed journals

Johnston, A. E., Warren, R. G. and Penny, A. 1970. The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 39-68. https://doi.org/10.23637/ERADOC-1-34863

The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers

A - Papers appearing in refereed journals

Johnston, A. E., Warren, R. G. and Penny, A. 1970. The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 69-90. https://doi.org/10.23637/ERADOC-1-34864

The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968

A - Papers appearing in refereed journals

Mattingly, G. E. G., Johnston, A. E. and Margaret Chater 1970. The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968. Rothamsted Experimental Station Report. 1969 (Part 2), pp. 91-112. https://doi.org/10.23637/ERADOC-1-4

Use of the quantity/potential relationship to provide a scale of the ability of extractants to remove soil potassium

A - Papers appearing in refereed journals

Addiscott, T. M. 1970. Use of the quantity/potential relationship to provide a scale of the ability of extractants to remove soil potassium. The Journal of Agricultural Science. 74 (1), pp. 119-121. https://doi.org/10.1017/S0021859600021055

The uptake of initially available soil potassium by ryegrass

A - Papers appearing in refereed journals

Addiscott, T. M. 1970. The uptake of initially available soil potassium by ryegrass. The Journal of Agricultural Science. 74 (1), pp. 123-129. https://doi.org/10.1017/S0021859600021067

Potassium uptake by potatoes

A - Papers appearing in refereed journals

Addiscott, T. M. and Mitchell, J. D. D. 1970. Potassium uptake by potatoes. The Journal of Agricultural Science. 74 (3), pp. 495-500. https://doi.org/10.1017/S0021859600017603

The potassium Q/l relationships of soils given different K manuring

A - Papers appearing in refereed journals

Addiscott, T. M. 1970. The potassium Q/l relationships of soils given different K manuring. The Journal of Agricultural Science. 74, pp. 131-137. https://doi.org/10.1017/S0021859600021079

Potassium : calcium exchange in soils of the Broadbalk experiment at Rothamsted

A - Papers appearing in refereed journals

Addiscott, T. M. 1970. Potassium : calcium exchange in soils of the Broadbalk experiment at Rothamsted. The Journal of Agricultural Science. 75 (3), pp. 451-457. https://doi.org/10.1017/S0021859600025090

A note on resolving soil cation exchange capacity into "mineral" and "organic" fractions

A - Papers appearing in refereed journals

Addiscott, T. M. 1970. A note on resolving soil cation exchange capacity into "mineral" and "organic" fractions. The Journal of Agricultural Science. 75 (2), pp. 365-367. https://doi.org/10.1017/S002185960001707X

The plant nutrients in crops grown on Broadbalk

A - Papers appearing in refereed journals

Johnston, A. E. 1969. The plant nutrients in crops grown on Broadbalk. Rothamsted Experimental Station Report. 2, pp. 93-115. https://doi.org/10,23637/ERADOC-1-34923

The soils of Broadbalk : Plant nutrients in Broadbalk soils

A - Papers appearing in refereed journals

Johnston, A. E. 1969. The soils of Broadbalk : Plant nutrients in Broadbalk soils. Rothamsted Experimental Station Report. 2, pp. 93-115.

Relationships of yields of maize and cotton, and the response to phosphate fertilizer, with soil phosphate potentials in Tanzania

A - Papers appearing in refereed journals

Addiscott, T. M. 1969. Relationships of yields of maize and cotton, and the response to phosphate fertilizer, with soil phosphate potentials in Tanzania. The Journal of Agricultural Science. 72 (3), pp. 401-403. https://doi.org/10.1017/S0021859600024825

The buffering capacity of potassium reserves in soils

A - Papers appearing in refereed journals

Addiscott, T. M. and Talibudeen, O. 1969. The buffering capacity of potassium reserves in soils. Potash Review. Subject 4/45, pp. 1-24.

Broadbalk: Historical Introduction

A - Papers appearing in refereed journals

Johnston, A. E. and Garner, H. V. 1968. Broadbalk: Historical Introduction. Rothamsted Experimental Station Report. 2, pp. 12-25.

Hoosfield Continuous Barley

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1967. Hoosfield Continuous Barley. Rothamsted Experimental Station Report. 1966, pp. 320-338.

Changes in the Park Grass experiment

A - Papers appearing in refereed journals

Warren, R. G., Johnston, A. E. and Cooke, G. W. 1965. Changes in the Park Grass experiment. Rothamsted Experimental Station Report. 1964, pp. 224-228.

Notes on the use of soil analysis for estimating available P in Rothamsted soils

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1965. Notes on the use of soil analysis for estimating available P in Rothamsted soils. Technical Bulletin Ministry of Agriculture Fisheries and Food. 13, pp. 30-37.

The Park Grass Experiment

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1964. The Park Grass Experiment. Rothamsted Experimental Station Report. 1963, pp. 240-262.

Barnfield

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1962. Barnfield. Rothamsted Experimental Station Report. 1961, pp. 227-247. https://doi.org/10.23637/ERADOC-1-37013

The accumulation and loss of soil potassium in long-term experiments, Rothamsted and Woburn

A - Papers appearing in refereed journals

Warren, R. G., Johnston, A. E. and Arnold, P. W. 1962. The accumulation and loss of soil potassium in long-term experiments, Rothamsted and Woburn. Proceedings of the Fertiliser Society. 72, pp. 5-24.

The Exhaustion Land site

A - Papers appearing in refereed journals

Warren, R. G. and Johnston, A. E. 1960. The Exhaustion Land site. Rothamsted Experimental Station Report. 1959, pp. 230-239.