The effects of nitrate, water content and temperature on denitrification in a grassland soil measured using a "flow-over" technique without acetylene blocking

Scholefield, D., Hawkins, J. M. B. and Jackson, S. M. 1993. The effects of nitrate, water content and temperature on denitrification in a grassland soil measured using a "flow-over" technique without acetylene blocking. Fourth AFRC Meeting on Plant and Soil Nitrogen Metabolism, 15-17 December 1993, Silsoe, UK.

Related outputs

The North Wyke Farm Platform: Forage Quantity and Quality Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Beaumont, D. A., Taylor, H., Jones, A.G. and Harris, P. 2025. The North Wyke Farm Platform: Forage Quantity and Quality Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.992wy

Derived datasets of daily weather, near surface soil status, flow rates and concentrations of nitrogen species from the North Wyke Farm Platform, England

A - Papers appearing in refereed journals

Zhang, Y., Hawkins, J. M. B., Sint, H. M. and Collins, A. L. 2025. Derived datasets of daily weather, near surface soil status, flow rates and concentrations of nitrogen species from the North Wyke Farm Platform, England. Data in Brief. 59 (22 January), p. 111324. https://doi.org/10.1016/j.dib.2025.111324

High resolution flow datasets for surface runoff, surface lateral runoff and drainage pathways from 1 ha sized hydrologically isolated plots.

N - Datasets

Hawkins, J. M. B. 2023. High resolution flow datasets for surface runoff, surface lateral runoff and drainage pathways from 1 ha sized hydrologically isolated plots. Rothamsted Research. https://doi.org/10.23637/rothamsted.98y67

The North Wyke Farm Platform: GreenFeed System Methane and Carbon Dioxide Data

D1 - Technical reports: non-confidential

De-Meo-Filho, P., Hawkins, J. M. B. and Harris, P. 2023. The North Wyke Farm Platform: GreenFeed System Methane and Carbon Dioxide Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y53

The North Wyke Farm Platform: Eddy Covariance Greenhouse Gas Data

D1 - Technical reports: non-confidential

Olde, L., Hawkins, J. M. B. and Harris, P. 2023. The North Wyke Farm Platform: Eddy Covariance Greenhouse Gas Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y52

The North Wyke Farm Platform: Field Survey Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Beaumont, D. A., Sint, H. M. and Harris, P. 2023. The North Wyke Farm Platform: Field Survey Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y51

The North Wyke Farm Platform: Livestock Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Griffith, B. A. and Harris, P. 2023. The North Wyke Farm Platform: Livestock Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y50

The North Wyke Farm Platform: Field Events Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B. and Harris, P. 2023. The North Wyke Farm Platform: Field Events Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y4z

The North Wyke Farm Platform: Quality Control System (Data version 3; released on 01-12-2018)

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Sint, H. M. and Harris, P. 2023. The North Wyke Farm Platform: Quality Control System (Data version 3; released on 01-12-2018). Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y4y

The North Wyke Farm Platform: Fine Resolution (15-minute) Soil Moisture Station Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B. and Harris, P. 2023. The North Wyke Farm Platform: Fine Resolution (15-minute) Soil Moisture Station Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y4x

The North Wyke Farm Platform: Fine Resolution (15-minute) Meteorological Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B. and Harris, P. 2023. The North Wyke Farm Platform: Fine Resolution (15-minute) Meteorological Data. Rothamsted Research Rothamsted Research. https://doi.org/10.23637/rothamsted.98y4w

The North Wyke Farm Platform: Fine Resolution (15-Minute) Hydrology and Water Quality Data

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Griffith, B. A. and Harris, P. 2023. The North Wyke Farm Platform: Fine Resolution (15-Minute) Hydrology and Water Quality Data. Rothamsted Research. https://doi.org/10.23637/rothamsted.98y34

The North Wyke Farm Platform: Design, Establishment and Development

D1 - Technical reports: non-confidential

Hawkins, J. M. B., Griffith, B. A., Sint, H. M. and Harris, P. 2023. The North Wyke Farm Platform: Design, Establishment and Development. Rothamsted Research. https://doi.org/10.23637/rothamsted.98y1x

Do NO, N2O, N2 and N2 fluxes differ in soils sourced from cropland and varying riparian buffer vegetation? An incubation study

A - Papers appearing in refereed journals

Dlamini, J. C., Tesfamariam, E. H., Verbeeck, M., Loick, N., Louro-Lopez, A., Hawkins, J. M. B., Blackwell, M. S. A., Dunn, R., Collins, A. L. and Cardenas, L. M. 2023. Do NO, N2O, N2 and N2 fluxes differ in soils sourced from cropland and varying riparian buffer vegetation? An incubation study. Soil Use and Management. 40 (1), p. e12951. https://doi.org/10.1111/sum.12951

Soil carbon dioxide (CO2) fluxes in permanent upslope pasture and downslope riparian buffers with varying vegetation

A - Papers appearing in refereed journals

Dlamini, J., Tesfamariam, E. H., Dunn, R., Hood, J., Hawkins, J. M. B., Blackwell, M. S. A., Collins, A. L. and Cardenas, L. M. 2023. Soil carbon dioxide (CO2) fluxes in permanent upslope pasture and downslope riparian buffers with varying vegetation. Journal of Plant Nutrition and Soil Science. 186 (4), pp. 406-416. https://doi.org/10.1002/jpln.202100292

Impacts of different vegetation in riparian buffer strips on runoff and sediment loss

A - Papers appearing in refereed journals

Dunn, R. M., Hawkins, J. M. B., Blackwell, M. S. A., Zhang, Y. and Collins, A. L. 2022. Impacts of different vegetation in riparian buffer strips on runoff and sediment loss. Hydrological Processes. 36 (11), p. e14733. https://doi.org/10.1002/hyp.14733

Soil CO2 emissions in cropland with fodder maize (Zea mays L.) with and without riparian buffer strips of differing vegetation

A - Papers appearing in refereed journals

Dlamini, J., Cardenas, L. M., Tesfamariam, E. H., Dunn, R. M., Hawkins, J. M. B., Blackwell, M. S. A. and Collins, A. L. 2022. Soil CO2 emissions in cropland with fodder maize (Zea mays L.) with and without riparian buffer strips of differing vegetation. Agroforestry Systems. 96, pp. 983-995. https://doi.org/10.1007/s10457-022-00756-5

Riparian buffer strips influence nitrogen losses as nitrous oxide and leached N from upslope permanent pasture

A - Papers appearing in refereed journals

Dlamini, J., Cardenas, L. M., Tesfamariam, E.H., Dunn, R. M., Loick, N., Charteris, A., Cocciaglia, L., Vangeli,S., Blackwell, M. S. A., Upadhayay, H., Hawkins, J. M. B., Evans, J. and Collins, A. L. 2022. Riparian buffer strips influence nitrogen losses as nitrous oxide and leached N from upslope permanent pasture. Agriculture, Ecosystems & Environment. 336 (15 September), p. 108031. https://doi.org/10.1016/j.agee.2022.108031

Soil N2O and CH4 emissions from fodder maize production with and without riparian buffer strips of differing vegetation

A - Papers appearing in refereed journals

Dlamini, J., Cardenas, L. M., Tesfamariam, E. H., Dunn, R., Evans, J., Hawkins, J. M. B., Blackwell, M. S. A. and Collins, A. L. 2022. Soil N2O and CH4 emissions from fodder maize production with and without riparian buffer strips of differing vegetation. Plant and Soil. 477, pp. 297-318. https://doi.org/10.1007/s11104-022-05426-0

The effect of soil organic matter on long-term availability of phosphorus in soil: evaluation in a biological P mining experiment

A - Papers appearing in refereed journals

Hawkins, J. M. B., Vermeiren, C., Blackwell, M. S. A., Darch, T., Granger, S. J., Dunham, S. J., Hernandez, J. M. B., Smolders, E. and McGrath, S. P. 2022. The effect of soil organic matter on long-term availability of phosphorus in soil: evaluation in a biological P mining experiment. Geoderma. 423, p. 115965. https://doi.org/10.1016/j.geoderma.2022.115965

Soil methane (CH4) fluxes in cropland with permanent pasture and riparian buffer strips with different vegetation

A - Papers appearing in refereed journals

Dlamini, J., Cardenas, L. M., Tesfamariam, E. H., Dunn, R. M., Hawkins, J. M. B., Blackwell, M. S. A., Evans, J. and Collins, A. L. 2021. Soil methane (CH4) fluxes in cropland with permanent pasture and riparian buffer strips with different vegetation. Journal of Plant Nutrition and Soil Science. https://doi.org/10.1002/jpln.202000473

Investigation of the soil properties that affect Olsen P critical values in different soil types and impact on P fertiliser recommendations

A - Papers appearing in refereed journals

Tandy, S., Hawkins, J. M. B., Dunham, S. J., Hernandez, J. M. B., Granger, S. J., Yuan, H., McGrath, S. P. and Blackwell, M. S. A. 2021. Investigation of the soil properties that affect Olsen P critical values in different soil types and impact on P fertiliser recommendations. European Journal of Soil Science. 72 (4), pp. 1802-1816. https://doi.org/10.1111/ejss.13082

Evaluating the potential of different carbon sources to promote denitrification

A - Papers appearing in refereed journals

Dlamini, J. C., Chadwick, D. R., Hawkins, J. M. B., Martinez, J., Scholefield, D., Ma, Y. and Cardenas, L. M. 2020. Evaluating the potential of different carbon sources to promote denitrification. The Journal of Agricultural Science. 158 (3), pp. 194-205. https://doi.org/10.1017/S0021859620000520

Fertilizer produced from abattoir waste can contribute to phosphorus sustainability, and biofortify crops with minerals

A - Papers appearing in refereed journals

Darch, T., Dunn, R. M., Guy, A., Hawkins, J. M. B., Ash, M., Frimpong, K. A. and Blackwell, M. S. A. 2019. Fertilizer produced from abattoir waste can contribute to phosphorus sustainability, and biofortify crops with minerals. PLOS ONE. 14 (9), p. e0221647. https://doi.org/10.1371/journal.pone.0221647

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

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

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

Effect of long‐term drainage on plant community, soil carbon and nitrogen contents and stable isotopic (δ13C, δ15N) composition of a permanent grassland

A - Papers appearing in refereed journals

Harris, P., Bol, R., Evans, J., Hawkins, J. M. B., Dixon, E. R., Wolf, K., Dungait, J. A. J., Griffith, B. A., Herbst, M., Dhanoa, M. S., Beaumont, D. A., Dunn, R. M. and Weisenberg, G. L. B. 2018. Effect of long‐term drainage on plant community, soil carbon and nitrogen contents and stable isotopic (δ13C, δ15N) composition of a permanent grassland. European Journal of Soil Science. 69 (1), pp. 48-68. https://doi.org/10.1111/ejss.12504

Roles of instrumented farm-scale trials in trade-off assessments of pasture-based ruminant production systems

A - Papers appearing in refereed journals

Takahashi, T., Harris, P., Blackwell, M. S. A., Cardenas, L. M., Collins, A. L., Dungait, J. A. J., Hawkins, J. M. B., Misselbrook, T. H., McAuliffe, G. A., McFadzean, J. N., Murray, P. J., Orr, R. J., Rivero, M. J., Wu, L. and Lee, M. R. F. 2018. Roles of instrumented farm-scale trials in trade-off assessments of pasture-based ruminant production systems. Animal. 12 (8), pp. 1766-1776. https://doi.org/10.1017/S1751731118000502

Effect of soil saturation on denitrification in a grassland soil

A - Papers appearing in refereed journals

Cardenas, L. M., Bol, R., Lewicka-Szczebak, D., Gregory, A. S., Matthews, G. P., Whalley, W. R., Misselbrook, T. H., Scholefield, D. and Well, R. 2017. Effect of soil saturation on denitrification in a grassland soil. Biogeosciences. 14 (20), pp. 4691-4710. https://doi.org/10.5194/bg-14-4691-2017

The contribution of farm-scale experiments to the understanding of soil processes and implications for ecosystem services [Guest Editors' Introduction]

A - Papers appearing in refereed journals

Cardenas, L. M., Collins, A. L., Dungait, J. A. J., Hawkins, J. M. B., Chabbi, A. and Hawes, C. 2016. The contribution of farm-scale experiments to the understanding of soil processes and implications for ecosystem services [Guest Editors' Introduction]. European Journal of Soil Science. 67 (4), pp. 359-359. https://doi.org/10.1111/ejss.12360

Morphological responses of wheat (Triticum aestivum L.) roots to phosphorus supply in two contrasting soils

A - Papers appearing in refereed journals

Yuan, H-M., Blackwell, M. S. A., McGrath, S. P., George, T. S., Granger, S. H., Hawkins, J. M. B., Dunham, S. and Shen, J. B. 2016. Morphological responses of wheat (Triticum aestivum L.) roots to phosphorus supply in two contrasting soils. The Journal of Agricultural Science. 154 (1), pp. 98-108. https://doi.org/10.1017/s0021859615000702

Effect of compaction on nitrous oxide and nitrogen emissions from UK soils

C1 - Edited contributions to conferences/learned societies

Cardenas, L. M., Matthews, G. P., Gregory, A. S., Whalley, W. R., Bird, N. R. A., Misselbrook, T. H., Laudone, G. M., Dhanoa, M. S. and Scholefield, D. 2016. Effect of compaction on nitrous oxide and nitrogen emissions from UK soils. Abstract for GGAA conferernce, Melbourne, 14-18 February, 2016.

Assessment of bioavailable organic phosphorus in tropical forest soils by organic acid extraction and phosphatase hydrolysis

A - Papers appearing in refereed journals

Darch, T., Blackwell, M. S. A., Chadwick, D. R., Haygarth, P. M., Hawkins, J. M. B. and Turner, B. L. 2016. Assessment of bioavailable organic phosphorus in tropical forest soils by organic acid extraction and phosphatase hydrolysis. Geoderma. 284 (15 December), pp. 93-102. https://doi.org/10.1016/j.geoderma.2016.08.018

The North Wyke Farm Platform: effect of temperate grassland farming systems on soil moisture contents, runoff and associated water quality dynamics

A - Papers appearing in refereed journals

Orr, R. J., Murray, P. J., Eyles, C. J., Blackwell, M. S. A., Cardenas, L. M., Collins, A. L., Dungait, J. A. J., Goulding, K. W. T., Griffith, B. A., Gurr, S. J., Harris, P., Hawkins, J. M. B., Misselbrook, T. H., Rawlings, C. J., Shepherd, A., Sint, H. M., Takahashi, T., Tozer, K. N., Whitmore, A. P., Wu, L. and Lee, M. R. F. 2016. The North Wyke Farm Platform: effect of temperate grassland farming systems on soil moisture contents, runoff and associated water quality dynamics. European Journal of Soil Science. 67 (4), pp. 374-385. https://doi.org/10.1111/ejss.12350

Using 31P-NMR to investigate dynamics of soil phosphorus compounds in the Rothamsted Long Term Experiments

C2 - Non-edited contributions to conferences

Blackwell, M. S. A., Turner, B., Granger, S. J., Hooper, A. M., Darch, T., Hawkins, J. M. B., Yuan, H. and McGrath, S. P. 2015. Using 31P-NMR to investigate dynamics of soil phosphorus compounds in the Rothamsted Long Term Experiments. EGU.

Dissolved phosphorus retention in buffer strips: influence of slope and soil type

A - Papers appearing in refereed journals

Darch, T., Carswell, A. M., Blackwell, M. S. A., Hawkins, J. M. B., Haygarth, P. M. and Chadwick, D. 2015. Dissolved phosphorus retention in buffer strips: influence of slope and soil type. Journal of Environmental Quality. 44, pp. 1216-1224. https://doi.org/10.2134/jeq2014.10.0440

The North Wyke Farm Platform, a national capability for research into sustainability of temperate agricultural grassland management: data and modelling opportunities

C2 - Non-edited contributions to conferences

Harris, P., Griffith, B. A., Shepherd, A., Peukert, S., Hawkins, J. M. B., Elyes, C., Whitmore, A. P., Blackwell, M. S. A., Brazier, R. E., Cardenas, L. M., Wu, L., Dungait, J. A. J., Collins, A. L., Gurr, S. J., Murray, P. J., Goulding, K. W. T. and Orr, R. J. 2014. The North Wyke Farm Platform, a national capability for research into sustainability of temperate agricultural grassland management: data and modelling opportunities. Abstracts Tereno International Conference: from Observation to Prediction in Terrestrial Systems, Bonn, 29 September-2 October 2014 . pp. P2-07

Changes in wheat root morphology under different phosphorus fertiliser supply rates

C2 - Non-edited contributions to conferences

Blackwell, M. S. A., Yuan, H., McGrath, S. P., Granger, S. J., Hawkins, J. M. B., Dunham, S. J., Hooper, A. M., George, T. and Shen, J. 2014. Changes in wheat root morphology under different phosphorus fertiliser supply rates. Abstracts 5th Conference on Phosphorus in Soils and Plants, Montpellier, 26-29 August 2014 . pp. P242

Final Report Defra Project WQ0126. Modular approaches to the control of diffuse agricultural pollution: buffer zones, bioreactors, ditches and ponds

D1 - Technical reports: non-confidential

Hawkins, J. M. B. and Blackwell, M. S. A. 2014. Final Report Defra Project WQ0126. Modular approaches to the control of diffuse agricultural pollution: buffer zones, bioreactors, ditches and ponds. Department for Environment, Food & Rural Affairs (DEFRA).

A meta-analysis of organic and inorganic phosphorus in organic fertilizers, soils and water: implications for water quality

A - Papers appearing in refereed journals

Darch, T., Blackwell, M. S. A., Hawkins, J. M. B., Haygarth, P. M. and Chadwick, D. R. 2014. A meta-analysis of organic and inorganic phosphorus in organic fertilizers, soils and water: implications for water quality. Critical Reviews in Environmental Science and Technology. 44, pp. 2172-2202. https://doi.org/10.1080/10643389.2013.790752

Barley has two peroxisomal ABC transporters with multiple functions in beta-oxidation

A - Papers appearing in refereed journals

Mendiondo, G. M., Medhurst, A., Van Roermund, C. W., Zhang, X., Devonshire, J., Scholefield, D., Fernandez, J., Axcell, B., Ramsay, L., Waterham, H. R., Waugh, R., Theodoulou, F. L. and Holdsworth, M. J. 2014. Barley has two peroxisomal ABC transporters with multiple functions in beta-oxidation. Journal of Experimental Botany. 65, pp. 4833-4847. https://doi.org/10.1093/jxb/eru243

The North Wyke Farm Platform: a new UK national capability for research into sustainability of agricultural temperate grassland management

C2 - Non-edited contributions to conferences

Murray, P. J., Griffith, B. A., Orr, R. J., Shepherd, A., Blackwell, M. S. A., Hawkins, J. M. B. and Peukert, S. 2013. The North Wyke Farm Platform: a new UK national capability for research into sustainability of agricultural temperate grassland management. Michalk, D. L. (ed.) Proceedings 22nd International Grassland Congress, Sydney, 15-19 September 2013 . New South Wales Dept of Primary Industry, Orange. pp. 1931-1933

North Wyke Farm Platform: methodologies used in the remote sensing of the quantity and quality of drainage water

C2 - Non-edited contributions to conferences

Griffith, B. A., Hawkins, J. M. B., Orr, R. J., Blackwell, M. S. A. and Murray, P. J. 2013. North Wyke Farm Platform: methodologies used in the remote sensing of the quantity and quality of drainage water. Michalk, D. L. (ed.) Proceedings 22nd International Grassland Congress, Sydney, 15-19 September 2013 . New South Wales Dept of Primary Industry, Orange. pp. 1453-1455

Potential mineralization and nitrification in volcanic grassland soils in Chile

A - Papers appearing in refereed journals

Cardenas, L. M., Hatch, D. J., Scholefield, D., Jhurreea, D., Clark, I. M., Hirsch, P. R., Salazar, F., Rao-Ravella, S. and Alfaro, M. 2013. Potential mineralization and nitrification in volcanic grassland soils in Chile. Soil Science and Plant Nutrition. 59, pp. 380-391. https://doi.org/10.1080/00380768.2013.789395

Towards an improved inventory of N2O from agriculture: model evaluation of N2O emission factors and N fraction leached from different sources in UK agriculture

A - Papers appearing in refereed journals

Cardenas, L. M., Gooday, R., Brown, L., Scholefield, D., Cuttle, S., Gilhespy, S. L., Matthews, R. A., Misselbrook, T. H., Wang, J., Li, C., Hughes, G. and Lord, E. 2013. Towards an improved inventory of N2O from agriculture: model evaluation of N2O emission factors and N fraction leached from different sources in UK agriculture. Atmospheric Environment. 79, pp. 340-348. https://doi.org/10.1016/j.atmosenv.2013.06.033

Export of dissolved organic carbon and nitrate from grassland in winter using high temporal resolution, in situ UV sensing

A - Papers appearing in refereed journals

Sandford, R. C., Hawkins, J. M. B., Bol, R. and Worsfold, P. J. 2013. Export of dissolved organic carbon and nitrate from grassland in winter using high temporal resolution, in situ UV sensing. Science of the Total Environment. 456-457, pp. 384-391. https://doi.org/10.1016/j.scitotenv.2013.02.078

A novel application of natural fluorescence to understand the sources and transport pathways of pollutants from livestock farming in small headwater catchments

A - Papers appearing in refereed journals

Old, G. H., Naden, P. S., Granger, S. J., Bilotta, G. S., Brazier, R. E., Macleod, C. J. A., Krueger, T., Bol, R., Hawkins, J. M. B., Haygarth, P. M. and Freer, J. 2012. A novel application of natural fluorescence to understand the sources and transport pathways of pollutants from livestock farming in small headwater catchments. Science of the Total Environment. 417-418, pp. 169-182. https://doi.org/10.1016/j.scitotenv.2011.12.013

Comparing empirical models for sediment and phosphorus transfer from soils to water at field and catchment scale under data uncertainty

A - Papers appearing in refereed journals

Krueger, T., Quinton, J. N., Freer, J., Macleod, C. J. A., Bilotta, G. S., Brazier, R. E., Hawkins, J. M. B. and Haygarth, P. M. 2012. Comparing empirical models for sediment and phosphorus transfer from soils to water at field and catchment scale under data uncertainty. European Journal of Soil Science. 63 (2), pp. 211-223. https://doi.org/10.1111/j.1365-2389.2011.01419.x

Testing Greenfield run-off estimation techniques using high-resolution field observations

A - Papers appearing in refereed journals

Rodda, H. J. E. and Hawkins, J. M. B. 2012. Testing Greenfield run-off estimation techniques using high-resolution field observations. Journal of Flood Risk Management. 5, pp. 366-375. https://doi.org/10.1111/j.1753-318X.2012.01156.x

Designing and creating the North Wyke Farm Platform

C2 - Non-edited contributions to conferences

Orr, R. J., Griffith, B. A., Rose, S., Hatch, D. J., Hawkins, J. M. B. and Murray, P. J. 2011. Designing and creating the North Wyke Farm Platform. Abstracts Catchment Science 2011, Dublin, 14-16 September 2011 . pp. 35

SIMSDAIRY: a modelling framework to identify sustainable dairy farms in the UK. Framework description and test for organic systems and N fertiliser optimisation

A - Papers appearing in refereed journals

Del Prado, A., Misselbrook, T. H., Chadwick, D. R., Hopkins, A., Dewhirst, R. J., Davison, P., Butler, A., Schroder, J. and Scholefield, D. 2011. SIMSDAIRY: a modelling framework to identify sustainable dairy farms in the UK. Framework description and test for organic systems and N fertiliser optimisation. Science of the Total Environment. 409, pp. 3993-4009. https://doi.org/10.1016/j.scitotenv.2011.05.050

The relationship between direct soil nitrous oxide emissions and nitrogen fertiliser rate to winter cereals in England

C2 - Non-edited contributions to conferences

Smith, K. E., Cardenas, L. M., Thorman, R. E., Scholefield, D., Chadwick, D. R., Butler, M., Donovan, N., Bennett, G., Collis, H. R., Kingston, H. and Chambers, B. J. 2011. The relationship between direct soil nitrous oxide emissions and nitrogen fertiliser rate to winter cereals in England. Abstracts Theo Murphy International Scientific Meeting on Nitrous Oxide, the Forgotten Greenhouse Gas, Chicheley, 23-24 .

Effect of soil saturation on denitrification in a grassland soil

C2 - Non-edited contributions to conferences

Cardenas, L. M., Butler, M., Gregory, A. S., Matthews, G. P., Whalley, W. R., Bird, N. R. A., Misselbrook, T. H., Laudone, G. M. and Scholefield, D. 2011. Effect of soil saturation on denitrification in a grassland soil. Abstracts Conference on Nitrogen and Global Change: Key Findings - Future Challenges, Edinburgh, 11-15 April 2011 .

Using artificial fluorescent particles as tracers of livestock wastes within an agricultural catchment

A - Papers appearing in refereed journals

Granger, S. J., Bol, R., Hawkins, J. M. B., White, S. M., Naden, P. S., Old, G. H., Marsh, J. K., Bilotta, G. S., Brazier, R. E., Macleod, C. J. A. and Haygarth, P. M. 2011. Using artificial fluorescent particles as tracers of livestock wastes within an agricultural catchment. Science of the Total Environment. 409, pp. 1095-1103. https://doi.org/10.1016/j.scitotenv.2010.12.005

Cost effectiveness of nitrate leaching mitigation measures for grassland livestock systems at locations in England and Wales

A - Papers appearing in refereed journals

Cardenas, L. M., Cuttle, S. P., Crabtree, B., Hopkins, A., Shepherd, A., Scholefield, D. and Del Prado, A. 2011. Cost effectiveness of nitrate leaching mitigation measures for grassland livestock systems at locations in England and Wales. Science of the Total Environment. 409, pp. 1104-1115. https://doi.org/10.1016/j.scitotenv.2010.12.006

Effect of antecedent soil moisture conditions on emissions and isotopologue distribution of N2O during denitrification

A - Papers appearing in refereed journals

Bergstermann, A., Cardenas, L. M., Bol, R., Gilliam, L. M., Goulding, K. W. T., Meijide, A., Scholefield, D., Vallejo, A. and Well, R. 2011. Effect of antecedent soil moisture conditions on emissions and isotopologue distribution of N2O during denitrification. Soil Biology and Biochemistry. 43, pp. 240-250. https://doi.org/10.1016/j.soilbio.2010.10.003

Erratum to 'Quantifying annual N2O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs' [Agric. Ecosyst. Environ. 136(2010) 218-226]

A - Papers appearing in refereed journals

Cardenas, L. M., Thorman, R., Ashlee, N., Butler, M., Chadwick, D. R., Chambers, B., Cuttle, S., Donovan, N., Kingston, H., Lane, S., Dhanoa, M. S. and Scholefield, D. 2010. Erratum to 'Quantifying annual N2O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs' [Agric. Ecosyst. Environ. 136(2010) 218-226]. Agriculture, Ecosystems & Environment. 138, p. 356. https://doi.org/10.1016/j.agee.2010.05.002

Dual isotope and isotopomer measurements for the understanding of N2O production and consumption during nitrification in an arable soil

A - Papers appearing in refereed journals

Meijide, A., Cardenas, L. M., Bol, R., Bergstermann, A., Goulding, K. W. T., Well, R., Vallejo, A. and Scholefield, D. 2010. Dual isotope and isotopomer measurements for the understanding of N2O production and consumption during nitrification in an arable soil. European Journal of Soil Science. 61, pp. 364-374. https://doi.org/10.1111/j.1365-2389.2010.01233.x

Role of antecedent soil moisture on microbial populations involved in gaseous N2O emissions - use of isotopomers to understand sources

C2 - Non-edited contributions to conferences

Cardenas, L. M., Bol, R., Bergstermann, A., Meijide, A., Hirsch, P. R., Jhurreea, D., Clark, I. M., Gilliam, L., Goulding, K. W. T., Well, R. and Scholefield, D. 2010. Role of antecedent soil moisture on microbial populations involved in gaseous N2O emissions - use of isotopomers to understand sources. Abstracts Stable Isotope Mass-Spectrometry User Group (SIMSUG) Meeting, Exeter, 28-30 April 2010 .

Assessment of natural fluorescence as a tracer of diffuse agricultural pollution from slurry spreading on intensely-farmed grasslands

A - Papers appearing in refereed journals

Naden, P. S., Old, G. H., Eliot-Laize, C., Granger, S. J., Hawkins, J. M. B., Bol, R. and Haygarth, P. M. 2010. Assessment of natural fluorescence as a tracer of diffuse agricultural pollution from slurry spreading on intensely-farmed grasslands. Water Research. 44, pp. 1701-1712. https://doi.org/10.1016/j.watres.2009.11.038

Exploring systems responses to mitigation of GHG in UK dairy farms

A - Papers appearing in refereed journals

Del Prado, A., Chadwick, D. R., Cardenas, L. M., Misselbrook, T. H., Scholefield, D. and Merino, P. 2010. Exploring systems responses to mitigation of GHG in UK dairy farms. Agriculture, Ecosystems & Environment. 136, pp. 318-332. https://doi.org/10.1016/j.agee.2009.09.015

Quantifying annual N2O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs

A - Papers appearing in refereed journals

Cardenas, L. M., Thorman, R., Ashlee, N., Butler, M., Chadwick, D. R., Chambers, B., Cuttle, S., Donovan, N., Kingston, H., Lane, S., Dhanoa, M. S. and Scholefield, D. 2010. Quantifying annual N2O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs. Agriculture, Ecosystems & Environment. 136, pp. 218-226. https://doi.org/10.1016/j.agee.2009.12.006

Assessing catchment-scale erosion and yields of suspended solids from improved temperate grassland

A - Papers appearing in refereed journals

Bilotta, G. S., Krueger, T., Brazier, R. E., Butler, P., Freer, J., Hawkins, J. M. B., Haygarth, P. M., Macleod, C. J. A. and Quinton, J. N. 2010. Assessing catchment-scale erosion and yields of suspended solids from improved temperate grassland. Journal of Environmental Monitoring. 12, pp. 731-739. https://doi.org/10.1039/b921584k

An analysis of dormancy, ABA responsiveness, after-ripening and pre-harvest sprouting in hexaploid wheat (Triticum aestivum L.) caryopses

A - Papers appearing in refereed journals

Gerjets, T., Scholefield, D., Foulkes, M. J., Lenton, J. R. and Holdsworth, M. J. 2010. An analysis of dormancy, ABA responsiveness, after-ripening and pre-harvest sprouting in hexaploid wheat (Triticum aestivum L.) caryopses. Journal of Experimental Botany. 61, pp. 597-607. https://doi.org/10.1093/jxb/erp329

High temporal resolution monitoring of multiple pollutant responses in drainage from an intensively managed grassland catchment caused by a summer storm

A - Papers appearing in refereed journals

Granger, S. J., Hawkins, J. M. B., Bol, R., White, S. M., Naden, P., Old, G., Bilotta, G. S., Brazier, R. E., Macleod, C. J. A. and Haygarth, P. M. 2010. High temporal resolution monitoring of multiple pollutant responses in drainage from an intensively managed grassland catchment caused by a summer storm. Water Air And Soil Pollution. 205, pp. 377-393. https://doi.org/10.1007/s11270-009-0083-z

Effect of the nitrification inhibitor dicyandiamide on microbial communities and N2O from an arable soil fertilized with ammonium sulphate

A - Papers appearing in refereed journals

Carneiro, J., Cardenas, L. M., Hatch, D. J., Trindade, H., Scholefield, D., Clegg, C. D. and Hobbs, P. J. 2010. Effect of the nitrification inhibitor dicyandiamide on microbial communities and N2O from an arable soil fertilized with ammonium sulphate. Environmental Chemistry Letters. 8, pp. 237-246. https://doi.org/10.1007/s10311-009-0212-3

The wavelet packet transform: a technique for investigating temporal variation of river water solutes

A - Papers appearing in refereed journals

Milne, A. E., Macleod, C. J. A., Haygarth, P. M., Hawkins, J. M. B. and Lark, R. M. 2009. The wavelet packet transform: a technique for investigating temporal variation of river water solutes. Journal of Hydrology. 379 (1-2), pp. 1-19. https://doi.org/10.1016/j.jhydrol.2009.09.038

Nitrous oxide emission from arable land in England

C2 - Non-edited contributions to conferences

Thorman, R. E., Cardenas, L. M., Scholefield, D., Chadwick, D. R., Butler, M., Bennett, G., Collis, H. R., Kingston, H. and Chambers, B. J. 2009. Nitrous oxide emission from arable land in England. Abstracts 16th Nitrogen Workshop, Turin, 28 June-1 July 2009 . pp. 217-218

N losses in volcanic grassland soils from Southern Chile

C2 - Non-edited contributions to conferences

Cardenas, L. M., Hatch, D., Scholefield, D., Alfaro, M. and Salazar, F. 2009. N losses in volcanic grassland soils from Southern Chile. Abstracts 16th Nitrogen Workshop, Turin, 28 June-1 July 2009 .

Use of SIMSDAIRY modelling framework system to compare the scope on the sustainability of a dairy farm of animal and plant genetic-based improvements with management-based changes

A - Papers appearing in refereed journals

Del Prado, A. and Scholefield, D. 2008. Use of SIMSDAIRY modelling framework system to compare the scope on the sustainability of a dairy farm of animal and plant genetic-based improvements with management-based changes. The Journal of Agricultural Science. 146, pp. 195-211. https://doi.org/10.1017/S0021859608007727

Grasslands, sediment, colloids and phosphorus: an interdisciplinary team approach with the 'GrasP' project

C1 - Edited contributions to conferences/learned societies

Macleod, C. J. A., Bilotta, G. S., Bol, R., Brazier, R. E., Butler, P. J., Freer, J., Gimbert, L. J., Granger, S. J., Hawkins, J. M. B., Krueger, T., Naden, P. S., Old, G., Quinton, J. N., Worsfold. P. and Haygarth, P. M. 2007. Grasslands, sediment, colloids and phosphorus: an interdisciplinary team approach with the 'GrasP' project. Heckrath, G., Rubaek, G. H. and Kronvang, B. (ed.) Diffuse Phosphorus Loss: Risk Assessment, Mitigation Options and Ecological Effects in River Basins. 5th International Phosphorus Workshop (IPW5), Silkeborg, Denmark, 3-7 September 2007. pp. 193-196

A review of research to identify best practice for reducing greenhouse gases from agriculture and land management

D1 - Technical reports: non-confidential

Moorby, J. M., Chadwick, D. R., Scholefield, D., Chambers, B. J. and Williams, J. R. 2007. A review of research to identify best practice for reducing greenhouse gases from agriculture and land management.

Nitrate cost curve of mitigation options for grassland soils in the UK

C2 - Non-edited contributions to conferences

Cardenas, L. M., Scholefield, D., Cuttle, S. P., Crabtree, B., Hopkins, A. and Del Prado, A. 2007. Nitrate cost curve of mitigation options for grassland soils in the UK. 15th N Workshop, 'Towards a better efficiency in N use ', Lleida, Spain, May 28-30, 2007.

Blueprints for sustainable nutrient use in dairy grassland-based production

C2 - Non-edited contributions to conferences

Del Prado, A., Cardenas, L. M., Hawkins, J. M. B., Brown, L., Cuttle, S. P., Jewkes, E. C. and Scholefield, D. 2007. Blueprints for sustainable nutrient use in dairy grassland-based production. 15th N Workshop, 'Towards a better efficiency in N use ', Lleida, Spain, May 28-30, 2007.

Measurement and simulation of void structure and hydraulic changes caused by root-induced soil structuring under white clover compared to ryegrass

A - Papers appearing in refereed journals

Holtham, D. A. L., Matthews, G. P. and Scholefield, D. 2007. Measurement and simulation of void structure and hydraulic changes caused by root-induced soil structuring under white clover compared to ryegrass. Geoderma. 142 (1-2), pp. 142-151. https://doi.org/10.1016/j.geoderma.2007.08.018

The implications of farm-scale methane mitigation measures for long-term national methane emissions

D1 - Technical reports: non-confidential

Chadwick, D. R., Del Prado, A., Scholefield, D., Mills, J., Compton, L. and Dragosits, U. 2007. The implications of farm-scale methane mitigation measures for long-term national methane emissions.

Comparing losses of phosphorus leached from three legume species as components of grassland systems grazed by sheep

C1 - Edited contributions to conferences/learned societies

Headon, D. M., Dixon, E. R., Stone, A. C. and Scholefield, D. 2007. Comparing losses of phosphorus leached from three legume species as components of grassland systems grazed by sheep. Hopkins, J. J., Duncan, A. J., McCracken, D. I., Peel, S. and Tallowin, J. R. B. (ed.) 'High Value Grassland: providing biodiversity, a clean environment and premium products': Proceedings BGS/BES/BSAS Conference, Keele University, Staffs, 17-19 April 2007. British Grassland Society Occasional Symposium, 38. pp. 237-240

Production and nitrogen losses from dairy farms using an extended grazing management system

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C., Webb, J., Butler, M. R. and Scholefield, D. 2007. Production and nitrogen losses from dairy farms using an extended grazing management system. Proceedings, 14th Symposium of the European Grassland Federation. 'Permanent and temporary grassland: plant, environment and economy.' Gent, Belgium, 3-5 September 2007.

Forage brassica for out-wintering stock - Review of literature

D1 - Technical reports: non-confidential

Chadwick, D. R., Marshall, A. H., Del Prado, A., Scholefield, D., Weller, R. F., Hyslop, J., Bell, J. and Morgan, C. 2007. Forage brassica for out-wintering stock - Review of literature.

Use of white clover as an alternative to nitrogen fertiliser for dairy pastures in nitrate vulnerable zones in the UK: productivity, environmental impact and economic considerations

A - Papers appearing in refereed journals

Andrews, M., Scholefield, D., Abberton, M. T., McKenzie, B. A., Hodge, S. and Raven, J. A. 2007. Use of white clover as an alternative to nitrogen fertiliser for dairy pastures in nitrate vulnerable zones in the UK: productivity, environmental impact and economic considerations. Annals of Applied Biology - AAB. 151 (1), pp. 11-23. https://doi.org/10.1111/j.1744-7348.2007.00137.x

An improved inventory of greenhouse gases from agriculture

D1 - Technical reports: non-confidential

Scholefield, D. and Cardenas, L. M. 2007. An improved inventory of greenhouse gases from agriculture.

Genetically modified hydrographs: what can grass genetics do for temperate catchment hydrology?

C2 - Non-edited contributions to conferences

Macleod, C. J. A., Binley, A., Clark, L. J., Hawkins, S. L., Humphreys, M. W., King, I. P., Scholefield, D., Turner, L. B., Whalley, W. R. and Haygarth, P. M. 2007. Genetically modified hydrographs: what can grass genetics do for temperate catchment hydrology? European Geosciences Union, General Assembly 2007, Vienna, Austria, 16-20 April 2007.

Integration for sustainable catchment management

C2 - Non-edited contributions to conferences

Macleod, C. J. A., Scholefield, D. and Haygarth, P. M. 2007. Integration for sustainable catchment management. European Geosciences Union, General Assembly 2007, Vienna, Austria, 16-20 April 2007.

The effect of diet manipulation on nitrous oxide and methane emissions from manure application to grassland soils

A - Papers appearing in refereed journals

Cardenas, L. M., Chadwick, D. R., Scholefield, D., Fychan, A. R., Marley, C. L., Jones, R., Bol, R., Well, R. and Vallejo, A. 2007. The effect of diet manipulation on nitrous oxide and methane emissions from manure application to grassland soils. Atmospheric Environment. 41 (33), pp. 7096-7107. https://doi.org/10.1016/j.atmosenv.2007.04.055

A comparison of nitrogen processes and herbage yield from old and reseeded pasture

C2 - Non-edited contributions to conferences

Jewkes, E. C., Scholefield, D. and Hatch, D. J. 2007. A comparison of nitrogen processes and herbage yield from old and reseeded pasture. 14th Symposium of the European Grassland Federation. 'Permanent and temporary grassland: plant, environment and economy.' Gent, Belgium, 3-5 September 2007.

Nutrient cycling budgets in managed pastures

B - Book chapters etc edited externally

Scholefield, D., Jewkes, E. C. and Bol, R. 2007. Nutrient cycling budgets in managed pastures. in: Marschner, P. and Rengel, Z. (ed.) Nutrient cycling in terrestrial ecosystems (Soil Biology; Vol. 10) Springer, Heidelberg. pp. 215-246

Integration for sustainable catchment management

A - Papers appearing in refereed journals

Macleod, C. J. A., Scholefield, D. and Haygarth, P. M. 2007. Integration for sustainable catchment management. Science of the Total Environment. 373 (2-3), pp. 591-602. https://doi.org/10.1016/j.scitotenv.2006.12.029

Development of a geospatial data-based nutrient model at the global scale: influence of dataset spatial resolution on Kappa map comparison statistics, catchment descriptors and model results

C2 - Non-edited contributions to conferences

Macleod, C. J. A., Deal-Cruz, J., Haygarth, P. M., Glegg, G., Scholefield, D. and Mee. L. 2006. Development of a geospatial data-based nutrient model at the global scale: influence of dataset spatial resolution on Kappa map comparison statistics, catchment descriptors and model results. European Geosciences Union, General Assembly 2006, Vienna, Austria, 2-7 April 2006.

Green Dairy in south west England - can we help farmers to be greener and maintain their income?

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C. and Scholefield, D. 2006. Green Dairy in south west England - can we help farmers to be greener and maintain their income? Moorby, J. M. (ed.) 8th British Grassland Society Research Conference, 'Grassland as a Multifunctional Resource', Royal Agricultural College, Cirencester, 4-6 September 2006. pp. 35-36

SIMSDAIRY - a modelling framework to identify new integrated diary production systems

J - Computer programs

Del Prado, A., Misselbrook, T. H., Chadwick, D. R., Hopkins, A., Dewhurst, R. J., Davison, P., Butler, A., Turner, M., Schroder, J. and Scholefield, D. 2006. SIMSDAIRY - a modelling framework to identify new integrated diary production systems.

Blueprints model - a simple model to simulate combinations of the efficiency controls for hypothetical, economically and environmentally sustainable systems

J - Computer programs

Del Prado, A., Brown, L. and Scholefield, D. 2006. Blueprints model - a simple model to simulate combinations of the efficiency controls for hypothetical, economically and environmentally sustainable systems.

NCYCLE_IRL: A model to predict N fluxes in Irish grasslands

J - Computer programs

Del Prado, A., Brown, L., Schulte, R., Ryan, M., Carton, O. and Scholefield, D. 2006. NCYCLE_IRL: A model to predict N fluxes in Irish grasslands.

NUTGRANJA 2.0- a simple model to explore the effects of different management strategies on N and P losses from dairy systems

J - Computer programs

Del Prado, A., Corre, W., Oenema, O., Pinto, M., del Hierro, O. and Scholefield, D. 2006. NUTGRANJA 2.0- a simple model to explore the effects of different management strategies on N and P losses from dairy systems.

Farm-gate nitrogen and phosphate balances

C1 - Edited contributions to conferences/learned societies

Goodlass, G., Cottrill, B. R., Chambers, B. J., Richardson, S. J., Scholefield, D., Goulding, K. W. T. and Oborn, J. 2006. Farm-gate nitrogen and phosphate balances. Andrews, M., Turley, D., Cummings, S., Dale, M. F. B. and Rowlinson, P. (ed.) Aspects of Applied Biology Delivering sustainability within profitable farming systems - is it possible?, Studley Castle, Warwickshire, 14-15 December 2006.

Use of SIMS Dairy modelling framework system to specify sustainable UK diary farms

C1 - Edited contributions to conferences/learned societies

Del Prado, A. and Scholefield, D. 2006. Use of SIMS Dairy modelling framework system to specify sustainable UK diary farms. Andrews, M., Turley, D., Cummings, S., Dale, M. F. B. and Rowlinson, P. (ed.) Delivering sustainability within profitable farming systems - is it possible?, Studley Castle, Warwickshire, 14-15 December 2006.

Could the answer lie in the soil?

G - Articles in popular magazines and other technical publications

Long, E., Scholefield, D., Holtham, D. A., Cardenas, L. M., Johnson, S. N. and Mankin, R. W. 2006. Could the answer lie in the soil? The Furrow. 112 (1 [Winter]), pp. 15-16.

A framework for predicting delivery of phosphorus from agricultural land using a decision-tree approach

B - Book chapters etc edited externally

Brazier, R. E., Scharer, M., Heathwaite, L., Beven, K. J., Scholefield, D., Haygarth, P. M., Hodgkinson, R., Walling, D. E. and Withers, P. J. A. 2006. A framework for predicting delivery of phosphorus from agricultural land using a decision-tree approach. in: Rowan, J. S., Duck, R. W. and Werritty, A. (ed.) Sediment Dynamics and the Hydromorphology of Fluvial Systems Wallingford, International Association of Hydrological Sciences.

A model to simulate the effects of different dietary strategies on the sustainability of a dairy farm system

B - Book chapters etc edited externally

Del Prado, A., Scholefield, D. and Brown, L. 2006. A model to simulate the effects of different dietary strategies on the sustainability of a dairy farm system. in: Kebreab, E., Dijkstra, J., Bannink, A., Gerrits, W. J. J. and France, J. (ed.) Nutrient digestion and utilization in farm animals: modelling approaches CABI International, Wallingford, Oxon (CABI). pp. 275-280

Multi-functional uses for pastures

G - Articles in popular magazines and other technical publications

Rook, A. J., Misselbrook, T. H. and Scholefield, D. 2006. Multi-functional uses for pastures. IGER Innovations. 10, pp. 44-47.

Improving environmental quality

G - Articles in popular magazines and other technical publications

Murray, P. J., Chadwick, D. R., Del Prado, A., Hopkins, A., Macleod, C. J. A., Misselbrook, T. H. and Scholefield, D. 2006. Improving environmental quality. IGER Innovations. 10, p. 38.

Soil and land management

G - Articles in popular magazines and other technical publications

Scholefield, D. and Haygarth, P. M. 2006. Soil and land management. IGER Innovations. 10, pp. 18-21.

A modelling framework to identify new integrated dairy production systems

C1 - Edited contributions to conferences/learned societies

Del Prado, A., Scholefield, D., Chadwick, D. R., Misselbrook, T. H., Haygarth, P. M., Hopkins, A., Dewhurst, R. J., Jones, R., Moorby, J. M., Davison, P., Lord, E. I., Turner, M., Aikman, P. and Schroder, J. 2006. A modelling framework to identify new integrated dairy production systems. Lloveras, J., Gonzalez-Rodriguez, A., Vazquez-Yanez, O., Pineiro, J., Santamaria, O., Olea, L. and Poblaciones, M. J. (ed.) Sustainable Grassland Productivity [Proceedings of the 21st General Meeting of the European Grassland Federation, Badajoz, Spain, 3-6 April 2006].

Dissolved free and combined amino acids in surface runoff and drainage waters from drained and undrained grassland under different fertilizer management

A - Papers appearing in refereed journals

Hawkins, J. M. B., Scholefield, D. and Braven, J. 2006. Dissolved free and combined amino acids in surface runoff and drainage waters from drained and undrained grassland under different fertilizer management. Environmental Science & Technology. 40 (16), pp. 4887-4893. https://doi.org/10.1021/es052532r

Impact of NO3 leaching abatement measures on N2O and CH4 emissions from a UK dairy system

A - Papers appearing in refereed journals

Del Prado, A., Cardenas, L. M. and Scholefield, D. 2006. Impact of NO3 leaching abatement measures on N2O and CH4 emissions from a UK dairy system. International Congress Series. 1293, pp. 359-362. https://doi.org/10.1016/j.ics.2006.01.079

Leaching losses of N, P and K from grazed legume based swards - some preliminary results

C1 - Edited contributions to conferences/learned societies

Dixon, E. R., Stone, A. C., Scholefield, D. and Hatch, D. J. 2006. Leaching losses of N, P and K from grazed legume based swards - some preliminary results. Proceedings of the XX International grassland congress, Oxford Satellite Workshop, 3rd - 6th July 2005. pp. p104

Lupins in sustainable agriculture: nutrient losses following grain harvest

C1 - Edited contributions to conferences/learned societies

Hatch, D. J., Joynes, A., Stone, A. C., Scholefield, D. and Jones, R. 2006. Lupins in sustainable agriculture: nutrient losses following grain harvest. Lloveras, J., Gonzalez-Rodriguez, A., Vazquez-Yanez, O., Pineiro, J., Santamaria, O., Olea, L. and Poblaciones, M. J. (ed.) Sustainable Grassland Productivity [Proceedings of the 21st General Meeting of the European Grassland Federation, Badajoz, Spain, 3-6 April 2006].

Principles of development of a mass balance N cycle model for temperate grasslands: an Irish case study

A - Papers appearing in refereed journals

Del Prado, A., Brown, L., Schulte, R., Ryan, M. and Scholefield, D. 2006. Principles of development of a mass balance N cycle model for temperate grasslands: an Irish case study. Nutrient Cycling in Agroecosystems. 74 (2), pp. 115-131. https://doi.org/10.1007/s10705-005-5769-z

NCYCLE_IRL: A model to predict N fluxes in Irish grasslands

D1 - Technical reports: non-confidential

Del Prado, A., Scholefield, D. and Brown, L. 2005. NCYCLE_IRL: A model to predict N fluxes in Irish grasslands.

Modelling ammonia and nitrous oxide emission from slurry-amended soils - development of an infiltration sub-model

C1 - Edited contributions to conferences/learned societies

Misselbrook, T. H., Parkinson, R. J. and Scholefield, D. 2005. Modelling ammonia and nitrous oxide emission from slurry-amended soils - development of an infiltration sub-model. Bernal, M. P., Moral, R., Clemente, C. and Paredes, C. (ed.) 11th International Conference of the FAO ESCORENA Network on Recycling of Agricultural, Municipal and Industrial Residues in Agriculture (RAMIRAN), Murcia, Spain, 6-9 October 2004. pp. 277-280

Effect on soil N emissions of slurry application from sheep fed different diets

C2 - Non-edited contributions to conferences

Cardenas, L. M., Vallejo, A., Chadwick, D., Scholefield, D., Fychan, A. R., Marley, C. L. and Jones, R. 2005. Effect on soil N emissions of slurry application from sheep fed different diets. 'N management in agrosystems in relation to the Water Framework Directive' 14th N-Workshop, Maastricht, Netherlands, 24-26 October 2005. pp. p80

Modelling methane mitigation at the National scale

G - Articles in popular magazines and other technical publications

Scholefield, D. and Chadwick, D. R. 2005. Modelling methane mitigation at the National scale. 14 (August), pp. 9-10.

Feed back and feed-forward interactions between climate change and grassland-based agriculture

C2 - Non-edited contributions to conferences

Scholefield, D., Jarvis, S. C., Brown, L., Del Prado, A. and Hopkins, A. 2005. Feed back and feed-forward interactions between climate change and grassland-based agriculture. Presented at Avoiding Dangerous Climate Change conference, Met Office, Exeter, 1-3 February 2005.

Soil science and environmental quality

G - Articles in popular magazines and other technical publications

Haygarth, P. M. and Scholefield, D. 2005. Soil science and environmental quality. IGER Innovations. 9, pp. 48-51.

Cattle slurry amended with nitrification inhibitors: effects on nitrous oxide, dinitrogen and methane emissions

C1 - Edited contributions to conferences/learned societies

Caneiro, J., Cardenas, L. M., Hatch, D., Trindad, H., Hawkins, J. M. B., Scholefield, D. and Chadwick, D. 2005. Cattle slurry amended with nitrification inhibitors: effects on nitrous oxide, dinitrogen and methane emissions. Proceedings of the XX International grassland congress, Dublin, Ireland, 26 June - 2 July 2005. pp. p575

Feedback and feed-forward interactions between climate change and grassland-based agriculture

C2 - Non-edited contributions to conferences

Scholefield, D., Jarvis, S. C., Brown, L., Del Prado, A., Hopkins, A. and Cardenas, L. M. 2005. Feedback and feed-forward interactions between climate change and grassland-based agriculture. Avoiding dangerous climate change. Scientific symposium on stabilisation of greenhouse gases, Meteorological Office, Exeter, UK,1-3 February 2005.

Using time domain reflectometry to characterise cattle and pig slurry infiltration into soil

A - Papers appearing in refereed journals

Misselbrook, T. H., Scholefield, D. and Parkinson, R. J. 2005. Using time domain reflectometry to characterise cattle and pig slurry infiltration into soil. Soil Use and Management. 21 (2), pp. 167-172. https://doi.org/10.1111/j.1475-2743.2005.tb00121.x

Reviewing the potential for reductions of nitrogen and phosphorus inputs in current farm systems

D1 - Technical reports: non-confidential

Haygarth, P. M., Scholefield, D., Chadwick, D. R., Cardenas, L. M., Butler, P. J., Shepherd, M. A., Goodlass, G., Withers, P. J. A., Chambers, B. J., Lord, E. I., Cottrill, B. R., Smith, K. A., Harris, D., Ferrier, R., Stutter, M., Carvalho, L., Anderson, J., White, P., Cuttle, S. P., Dewhurst, R. J., Heathwaite, L. and Johnes, P. 2005. Reviewing the potential for reductions of nitrogen and phosphorus inputs in current farm systems.

Laboratory study of the effects of two nitrification inhibitors on greenhouse gas emissions from a slurry-treated arable soil : impact of diurnal temperature cycle

A - Papers appearing in refereed journals

Hatch, D. J., Trindade, H., Cardenas, L. M., Carneiro, J., Hawkins, J. M. B., Scholefield, D. and Chadwick, D. R. 2005. Laboratory study of the effects of two nitrification inhibitors on greenhouse gas emissions from a slurry-treated arable soil : impact of diurnal temperature cycle. Biology And Fertility Of Soils. 41 (4), pp. 225-232. https://doi.org/10.1007/s00374-005-0836-9

Effect of plant species on CH4 and N2O fluxes from a volcanic grassland soil in Nasu, Japan

A - Papers appearing in refereed journals

Mori, A., Hojito, M., Kondo, H., Matsunami, H. and Scholefield, D. 2005. Effect of plant species on CH4 and N2O fluxes from a volcanic grassland soil in Nasu, Japan. Soil Science and Plant Nutrition. 51 (1), pp. 19-27. https://doi.org/10.1111/j.1747-0765.2005.tb00002.x

The impact of increasing the length of the cattle grazing season on emissions of ammonia and nitrous oxide and on nitrate leaching in England and Wales

A - Papers appearing in refereed journals

Webb, J., Anthony, S. G., Brown, L., Lyons-Visser, H., Ross, C. A., Cottrill, B., Johnson, P. and Scholefield, D. 2005. The impact of increasing the length of the cattle grazing season on emissions of ammonia and nitrous oxide and on nitrate leaching in England and Wales. Agriculture, Ecosystems & Environment. 105, pp. 307-321. https://doi.org/10.1016/j.agee.2004.02.003

NGAUGE: a Decision Support System to optimise N fertilisation of British grassland for economic and/or environmental goals

A - Papers appearing in refereed journals

Brown, L., Scholefield, D., Jewkes, E. C., Lockyer, D. R. and Del Prado, A. 2005. NGAUGE: a Decision Support System to optimise N fertilisation of British grassland for economic and/or environmental goals. Agriculture, Ecosystems & Environment. 109 (1-2), pp. 20-39. https://doi.org/10.1016/j.agee.2005.02.021

Concerted diurnal patterns in riverine nutrient concentrations and some physical conditions

A - Papers appearing in refereed journals

Scholefield, D., Le Goff, T., Braven, J., Ebdon, L., Long, T. and Butler, M. R. 2005. Concerted diurnal patterns in riverine nutrient concentrations and some physical conditions. Science of the Total Environment. 344 (1-3), pp. 201-210. https://doi.org/10.1016/j.scitotenv.2005.02.014

Nitrogen flows on farms with an extended grazing management system

D1 - Technical reports: non-confidential

Jewkes, E. C., Butler, M. R., Scholefield, D. and Webb, J. 2004. Nitrogen flows on farms with an extended grazing management system.

Amino acids as diagnostics of soil and soil water quality

F - Theses

Hawkins, J. M. B. 2004. Amino acids as diagnostics of soil and soil water quality. F - Theses

Cost curve of nitrate mitigation options

D1 - Technical reports: non-confidential

Scholefield, D. 2004. Cost curve of nitrate mitigation options.

Influence of climate change on grassland sustainability

G - Articles in popular magazines and other technical publications

Scholefield, D. 2004. Influence of climate change on grassland sustainability. DEFRA Agriculture and the Environment Newsletter. (13 (December)), p. 11.

PSYCHIC NGAUGEd to predict dairy futures

G - Articles in popular magazines and other technical publications

Scholefield, D. 2004. PSYCHIC NGAUGEd to predict dairy futures. DEFRA Agriculture and the Environment Newsletter. (13 (December)), p. 9.

Climate change and grassland

G - Articles in popular magazines and other technical publications

Hopkins, A. and Scholefield, D. 2004. Climate change and grassland.

Trends in nitrogen use in agriculture

C1 - Edited contributions to conferences/learned societies

Chadwick, D. R. and Scholefield, D. 2004. Trends in nitrogen use in agriculture. Lichens in a changing pollution environment, English Nature Report.

Modelling nitrogen fluxes at the landscape scale

A - Papers appearing in refereed journals

Theobald, M. R., Dragosits, U., Place, C. J., Smith, J. U., Sozanska, M., Brown, L., Scholefield, D., Del Prado, A., Webb, J., Whitehead, P. G., Angus, A., Hodge, I. D., Fowler, D. and Sutton, M. A. 2004. Modelling nitrogen fluxes at the landscape scale. Water Air And Soil Pollution : Focus. 4 (6), pp. 135-142.

A model to simulate the effects of different dietary strategies on the sustainability of a dairy farm

C2 - Non-edited contributions to conferences

Del Prado, A., Scholefield, D. and Brown, L. 2004. A model to simulate the effects of different dietary strategies on the sustainability of a dairy farm. Abstracts of the 6th International Workshop Modelling Nutrient Utilisation in Farm Animals, Institute of Animal Sciences, Wageningen 6-8 September 2004.

Modelling nitrogen fluxes at the landscape scale (doi 10.1017/S0021859604004253)

C1 - Edited contributions to conferences/learned societies

Theobald, M. R., Dragosits, U., Place, C. J., Smith, J. U., Sozanska, M., Brown, L., Scholefield, D., Del Prado, A., Webb, P., Whitehead, P. G., Angus, A., Hodge, I. D., Fowler, D. and Sutton, M. A. 2004. Modelling nitrogen fluxes at the landscape scale (doi 10.1017/S0021859604004253). Proceedings of the 36th Meeting of the Agricultural Research Modeller's Group.

Use of the NGAUGE DSS for analysis of options for compliance with NVZ legislation on UK dairy farms (doi 10.1017/S0021859604004253)

C1 - Edited contributions to conferences/learned societies

Del Prado, A., Brown, L. and Scholefield, D. 2004. Use of the NGAUGE DSS for analysis of options for compliance with NVZ legislation on UK dairy farms (doi 10.1017/S0021859604004253). Proceedings of the 36th Meeting of the Agricultural Research Modeller's Group. Cambridge University Press (CUP).

Scoping the potential of farm ponds to provide environmental benefits

D1 - Technical reports: non-confidential

Scholefield, D. 2004. Scoping the potential of farm ponds to provide environmental benefits.

MAST - a model of ammonia volatilisation with an examination of abatement strategies for a dairy farm

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C., Ross, C. A. and Scholefield, D. 2004. MAST - a model of ammonia volatilisation with an examination of abatement strategies for a dairy farm. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 569-570

NGAUGE: a decision support system to optimise N fertilisation of UK grassland for economic and/or environmental goals

C1 - Edited contributions to conferences/learned societies

Brown, L., Scholefield, D., Jewkes, E. C., Del Prado, A. and Lockyer, D. R. 2004. NGAUGE: a decision support system to optimise N fertilisation of UK grassland for economic and/or environmental goals. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 565-566

Dairy production using an extended grazing management system - a preliminary assessment of nitrogen flows

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C., Scholefield, D., Butler, M. R., Webb, J., Forrester, T., Lapworth, J., Russell, K., Bailey, G., Lathwood, A. and Clarke, A. 2004. Dairy production using an extended grazing management system - a preliminary assessment of nitrogen flows. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 513-515

Indicators for environmental and economic sustainability on UK dairy farms

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C., Scholefield, D., Turner, M. M. and Brown, L. 2004. Indicators for environmental and economic sustainability on UK dairy farms. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 510-512

Reconciling productivity with environmental considerations

C1 - Edited contributions to conferences/learned societies

Scholefield, D. 2004. Reconciling productivity with environmental considerations. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 469-483

NGAUGE DSS as a tool to assist UK dairy farmers to comply with EU nitrate legislation

C1 - Edited contributions to conferences/learned societies

Del Prado, A., Brown, L. and Scholefield, D. 2004. NGAUGE DSS as a tool to assist UK dairy farmers to comply with EU nitrate legislation. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 423-424

Influence of white clover on nitrous oxide fluxes in grassland

C1 - Edited contributions to conferences/learned societies

Mori, A., Hojito, M., Kondo, H., Matsunami, H. and Scholefield, D. 2004. Influence of white clover on nitrous oxide fluxes in grassland. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 342-344

Development of a decision support tool for global diffuse nitrogen pollution assessment

C1 - Edited contributions to conferences/learned societies

Macleod, C. J. A., Dela-Cruz, J., Haygarth, P. M., Glegg, G., Scholefield, D. and Mee, L. 2004. Development of a decision support tool for global diffuse nitrogen pollution assessment. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 81-82

A simple process based model for estimating ammonia emissions from fertiliser applications to agricultural land

A - Papers appearing in refereed journals

Misselbrook, T. H., Sutton, M. A. and Scholefield, D. 2004. A simple process based model for estimating ammonia emissions from fertiliser applications to agricultural land. Soil Use and Management. 20 (4), pp. 365-372. https://doi.org/10.1111/j.1475-2743.2004.tb00385.x

A new approach to measuring and indexing soil quality

D1 - Technical reports: non-confidential

Witty, J. F., Mytton, L. R. and Scholefield, D. 2004. A new approach to measuring and indexing soil quality.

Blueprints for sustainable dairy farming

G - Articles in popular magazines and other technical publications

Scholefield, D., Jewkes, E. C. and Brown, L. 2004. Blueprints for sustainable dairy farming. 12 (March), pp. 6-7.

Phosphate-selective electrodes containing immobilised ionophores

A - Papers appearing in refereed journals

Le Goff, T., Braven, J., Ebdon, L. and Scholefield, D. 2004. Phosphate-selective electrodes containing immobilised ionophores. Analytica Chimica Acta. 510 (2), pp. 175-182. https://doi.org/10.1016/j.aca.2004.01.015

Use of a 2-pool model to evaluate the effect of fertiliser application on nitrogen emissions from grassland soils

C1 - Edited contributions to conferences/learned societies

Cardenas, L. M., Hawkins, J. M. B., Chadwick, D. R. and Scholefield, D. 2004. Use of a 2-pool model to evaluate the effect of fertiliser application on nitrogen emissions from grassland soils. Hatch, D. J., Chadwick, D., Jarvis, S. C. and Roker, J. A. (ed.) 'Controlling N Flows and Losses'. Proceedings 12th Nitrogen Workshop, University of Exeter, 21-24 September 2003. Wageningen Academic Publishers, Wageningen, Netherlands. pp. 303-305

The effects of nutrient losses from agriculture on ground and surface water quality: the position of science in developing indicators for regulation

A - Papers appearing in refereed journals

Schroder, J. J., Scholefield, D., Cabral, F. and Hofman, G. 2004. The effects of nutrient losses from agriculture on ground and surface water quality: the position of science in developing indicators for regulation. Environmental Science & Policy. 7, pp. 15-23. https://doi.org/10.1016/j.envsci.2003.10.006

Nitrogen emissions from soils

B - Book chapters etc edited externally

Ganzeveld, L., Li, C., Cardenas, L. M., Hawkins, J. M. B. and Kirkman, G. 2004. Nitrogen emissions from soils. in: Granier, C., Artaxo, P. and Reeves, C. E. (ed.) Emissions of atmospheric trace compounds (Advances in global change research series, 18) Kluwer Academic Publishers, Dordrecht, Netherlands. pp. 171-238

Grazing legumes in Europe: a review of their status, management, benefits, research needs and future prospects

A - Papers appearing in refereed journals

Rochon, J. J., Doyle, C. J., Greef, J. M., Hopkins, A., Molle, G., Sitzia, M. and Scholefield, D. 2004. Grazing legumes in Europe: a review of their status, management, benefits, research needs and future prospects. Grass and Forage Science. 59 (3), pp. 197-214. https://doi.org/10.1111/j.1365-2494.2004.00423.x

Assessment of the nitrogen status of grassland

A - Papers appearing in refereed journals

Farruggia, A., Gastal, F. and Scholefield, D. 2004. Assessment of the nitrogen status of grassland. Grass and Forage Science. 59 (2), pp. 113-120. https://doi.org/10.1111/j.1365-2494.2004.00411.x

Nitrogen flows on farms with an extended grazing management system

D1 - Technical reports: non-confidential

Jewkes, E. C., Butler, M. R., Scholefield, D. and Brown, L. 2003. Nitrogen flows on farms with an extended grazing management system.

Demonstration of global nutrient loading models for international diffuse pollution assessment

C2 - Non-edited contributions to conferences

Macleod, C. J. A., Dela-Cruz, J., Haygarth, P. M., Glegg, G., Scholefield, D. and Mee, L. 2003. Demonstration of global nutrient loading models for international diffuse pollution assessment. Management Conference, Dublin, Ireland, 17-22 August 2003.

Mechanisms causing improvement in soil structure under white clover

C2 - Non-edited contributions to conferences

Wood, F. L., Cresswell, A. and Scholefield, D. 2003. Mechanisms causing improvement in soil structure under white clover. Poster Presentation, Society of Chemical Industry meeting 'Theory vs. Practice!' Belgrave Square, London, 21st October 2003.

Novel laboratory and field techniques to improve understanding of the denitrification process and enable the development of a new model

D1 - Technical reports: non-confidential

Cardenas, L. M., Hawkins. J. M. B., Chadwick, D. R. and Scholefield, D. 2003. Novel laboratory and field techniques to improve understanding of the denitrification process and enable the development of a new model.

Demonstration model - A model of ammonia volatilisation from a dairy farm: an examination of abatement strategies

C2 - Non-edited contributions to conferences

Ross, C. A., Scholefield, D. and Jarvis, S. C. 2003. Demonstration model - A model of ammonia volatilisation from a dairy farm: an examination of abatement strategies. Abstracts 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

Dairy production using an extended grazing management system - a preliminary assessment of nitrogen flows

C2 - Non-edited contributions to conferences

Jewkes, E. C., Scholefield, D., Butler, M. R., Webb, J., Forrester, T., Lapworth, J., Russell, K., Bailey, G., Lathwood, A. and Clarke, A. 2003. Dairy production using an extended grazing management system - a preliminary assessment of nitrogen flows. Poster 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

Influence of white clover on nitrous oxide fluxes in grassland

C1 - Edited contributions to conferences/learned societies

Mori, A., Hojito, M., Kondo, H., Matsunami, H. and Scholefield, D. 2003. Influence of white clover on nitrous oxide fluxes in grassland. Abstracts 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

Use of a 2-pool model to evaluate the effect of fertiliser application on nitrogen emissions from grassland soils

C2 - Non-edited contributions to conferences

Cardenas, L. M., Hawkins, J. M. B., Chadwick, D. R. and Scholefield, D. 2003. Use of a 2-pool model to evaluate the effect of fertiliser application on nitrogen emissions from grassland soils. Controlling N flows and losses. Abstracts 12th Nitrogen Workshop, Exeter, 21-24 September 2003.

Modelling catchments to predict the impact on production and the environment for grassland agriculture

C2 - Non-edited contributions to conferences

Scholefield, D., Brown, L. and Del Prado, A. 2003. Modelling catchments to predict the impact on production and the environment for grassland agriculture. 'Adapting to farming within an NVZ - science into practice'. Abstracts, BSSS meeting, SCI Headquarters, London, 11 March 2003.

Some impacts of crop quality on environment and biodiversity

C1 - Edited contributions to conferences/learned societies

Scholefield, D. 2003. Some impacts of crop quality on environment and biodiversity. Proceedings 'Crop Quality: Its role in sustainable livestock production', Association of Applied Biologists Conference, Manchester, 15-16 December 2003.

Demonstrated model - NGAUGE: a decision support system to optimise N fertilisation of UK grassland for economic and/or environmental goals

C2 - Non-edited contributions to conferences

Brown, L., Scholefield, D., Jewkes, E. C. and Lockyer, D. R. 2003. Demonstrated model - NGAUGE: a decision support system to optimise N fertilisation of UK grassland for economic and/or environmental goals. Abstracts 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

Indicators for environmental and economic sustainability on UK dairy farms

C2 - Non-edited contributions to conferences

Jewkes, E. C., Scholefield, D., Turner, M. M. and Brown, L. 2003. Indicators for environmental and economic sustainability on UK dairy farms. Poster 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

NGAUGE DSS as a tool to assist UK dairy farmers to comply with EU nitrate legislation

C2 - Non-edited contributions to conferences

Del Prado, A., Brown, L. and Scholefield, D. 2003. NGAUGE DSS as a tool to assist UK dairy farmers to comply with EU nitrate legislation. Poster 12th N Workshop, Controlling N flows and losses, Exeter, Devon, UK, 21-24 September 2003.

Influence of climate change on the sustainability of grassland systems

D1 - Technical reports: non-confidential

Scholefield, D. 2003. Influence of climate change on the sustainability of grassland systems.

An investigation of nitrogen flows on dairy farms with an extended grazing management system

C1 - Edited contributions to conferences/learned societies

Jewkes, E. C., Scholefield, D., Brown, L., Butler, M. R., Webb, J. and Forrester, T. 2003. An investigation of nitrogen flows on dairy farms with an extended grazing management system. BGS Organising Committee (ed.) Proceedings 7th British Grassland Society (BGS) Research Conference, Aberystwyth, 1-3 September 2003. pp. 47-48

Nitrogen flows on farms with extended grazing

D1 - Technical reports: non-confidential

Scholefield, D. 2003. Nitrogen flows on farms with extended grazing.

Use of the NGAUGE Decision Support System to evaluate effects on livelihoods of compliance with NVZ rules by dairy farmers, to evaluate potential for its use to offset negative effects and compare outputs with those of RB209

D1 - Technical reports: non-confidential

Scholefield, D. 2003. Use of the NGAUGE Decision Support System to evaluate effects on livelihoods of compliance with NVZ rules by dairy farmers, to evaluate potential for its use to offset negative effects and compare outputs with those of RB209.

Mechanistic aspects of nitrate-selective electrodes with immobilised ion exchangers in a rubbery membrane

A - Papers appearing in refereed journals

Braven, J., Ebdon, L., Frampton, N. C., Le Goff, T., Scholefield, D. and Sutton, P. G. 2003. Mechanistic aspects of nitrate-selective electrodes with immobilised ion exchangers in a rubbery membrane. Analyst. 128 (8), pp. 1067-1072.

Dual isotope and isotopomer ratios of N2O emitted from a temperate grassland soil after fertiliser application

A - Papers appearing in refereed journals

Bol, R., Toyoda, S., Yamulki, S., Hawkins, J. M. B., Cardenas, L. M. and Yoshida, N. 2003. Dual isotope and isotopomer ratios of N2O emitted from a temperate grassland soil after fertiliser application. Rapid Communications in Mass Spectrometry. 17 (22), pp. 2550-2556. https://doi.org/10.1002/rcm.1223

A decision support tool for international diffuse pollution management

C2 - Non-edited contributions to conferences

Macleod, C. J. A., Dela-Cruz, J., Haygarth, P. M., Glegg, G., Scholefield, D. and Mee, L. 2003. A decision support tool for international diffuse pollution management. International Diffuse Pollution and Basin Management Conference, Dublin, Ireland, 17-22 August 2003.

Nutrients in rivers

G - Articles in popular magazines and other technical publications

Haygarth, P. M., Scholefield, D. and Jarvis, S. C. 2003. Nutrients in rivers. IGER Innovations. 7, pp. 60-63.

Automatic continuous river monitoring of nitrate using a novel ion-selective electrode

A - Papers appearing in refereed journals

Le Goff, T., Braven, J., Ebdon, L. and Scholefield, D. 2003. Automatic continuous river monitoring of nitrate using a novel ion-selective electrode. Journal of Environmental Monitoring. 5 (2), pp. 353-358.

Biogenic gas emissions from soils measured using a new automated laboratory incubation system

A - Papers appearing in refereed journals

Cardenas, L. M., Hawkins, J. M. B., Chadwick, D. and Scholefield, D. 2003. Biogenic gas emissions from soils measured using a new automated laboratory incubation system. Soil Biology and Biochemistry. 35 (6), pp. 867-870. https://doi.org/10.1016/S0038-0717(03)00092-0

Preferential flow variability in a well-structured soil.

A - Papers appearing in refereed journals

Williams, A. J., Dowd, J. F., Scholefield, D., Holden, N. M. and Deeks, L. K. 2003. Preferential flow variability in a well-structured soil. Soil Science Society of America Journal. 67, pp. 1272-1281. https://doi.org/10.2136/sssaj2003.1272

Nitrogen flows on farms with an extended grazing management system

D1 - Technical reports: non-confidential

Jewkes, E. C., Butler, M. R., Scholefield, D. and Webb, J. 2002. Nitrogen flows on farms with an extended grazing management system.

Soil structuring capacities of white clover varieties

C2 - Non-edited contributions to conferences

Wood, F. L., Cresswell, A., Scholefield, D. and Mytton, L. 2002. Soil structuring capacities of white clover varieties. Poster presentation, British Society of Soil Science conference: Soils and the Environment, Seale Hayne, University of Plymouth, September 9 - 10, 2002.

Managing C transfers from grasslands to limit impacts on waterways

C2 - Non-edited contributions to conferences

Bol, R., McTiernan, K. B., Jarvis, S. C. and Scholefield, D. 2002. Managing C transfers from grasslands to limit impacts on waterways. Abstracts BIOGEOMON 2002: 4th International Symposium on ecosystem behaviour, Reading, UK, 17-22 August 2002. pp. p13

White clover induced soil aggregation and its impact on nutrient leaching

C2 - Non-edited contributions to conferences

Holtham, D. A. L., Scholefield, D., Cresswell, A. and Matthews, G. P. 2002. White clover induced soil aggregation and its impact on nutrient leaching. Soils and Environmental Quality, Abstracts British Society of Soil Science Meeting, Seale Hayne Campus, University of Plymouth, 9-11 September 2002.

Structuring and nitrate leaching in soils beneath white clover

C2 - Non-edited contributions to conferences

Holtham, D. A. L., Scholefield, D., Cresswell, A. and Matthews, G. P. 2002. Structuring and nitrate leaching in soils beneath white clover. Poster BIOGEMON Conference. 4th International Symposium on Ecosystem Behaviour, Reading, 17-21 August 2002.

What farmers can do to reduce nitrate leaching from grassland

D1 - Technical reports: non-confidential

Scholefield, D. and Brown, L. 2002. What farmers can do to reduce nitrate leaching from grassland.

Effect of carbon availability on N2 and N2O emissions

C2 - Non-edited contributions to conferences

Cardenas, L. M., Hawkins, J. M. B., Martinez, J., Chadwick, D. R. and Scholefield, D. 2002. Effect of carbon availability on N2 and N2O emissions. Abstracts. CEMAGREF Workshop, Rennes, France, 10-12 June 2001.

Study of denitrification in grassland soils in relation to carbon application

C2 - Non-edited contributions to conferences

Cardenas, L. M., Hawkins, J. M. B., Chadwick, D. R. and Scholefield, D. 2002. Study of denitrification in grassland soils in relation to carbon application. Poster BIOGEMON 2002. 4th International Symposium on Ecosystem Behaviour, University of Reading, 17-21 August 2002.

Evaluation of the environmental impact of nitrogen leaching from medium altitude grassland - comparison of two models

A - Papers appearing in refereed journals

Anger, M. and Scholefield, D. 2002. Evaluation of the environmental impact of nitrogen leaching from medium altitude grassland - comparison of two models. Mitteilungen der Arbeitsgemeinschaft Grunland und Futterbau. 4, pp. 23-29.

A comparison of the effects of single- and double-pass application of CCF and blended fertilisers on herbage yield and composition: N use efficiency and nutrient use distribution

D1 - Technical reports: non-confidential

Jewkes, E. C., Brown, L., Scholefield, D. and Butler, M. R. 2002. A comparison of the effects of single- and double-pass application of CCF and blended fertilisers on herbage yield and composition: N use efficiency and nutrient use distribution.

Investigating diurnally fluctuating patterns of riverine nitrate concentration using a novel sensor

D1 - Technical reports: non-confidential

Scholefield, D. and Butler, M. R. 2002. Investigating diurnally fluctuating patterns of riverine nitrate concentration using a novel sensor.

A model of ammonia volatilisation from a dairy farm: an examination of abatement strategies

A - Papers appearing in refereed journals

Ross, C. A., Scholefield, D. and Jarvis, S. C. 2002. A model of ammonia volatilisation from a dairy farm: an examination of abatement strategies. Nutrient Cycling in Agroecosystems. 64 (3), pp. 273-281.

High performance nitrate-selective electrodes containing immobilised amino-acid betaines as sensors

A - Papers appearing in refereed journals

Le Goff, T., Braven, J., Ebdon, L. and Scholefield, D. 2002. High performance nitrate-selective electrodes containing immobilised amino-acid betaines as sensors. Analytical Chemistry. 74 (11), pp. 2596-2602. https://doi.org/10.1021/ac010985i

A solvent-free method for preparing improved quality ion-selective electrode membranes

A - Papers appearing in refereed journals

Le Goff, T., Marsh, J., Braven, J., Ebdon, L. and Scholefield, D. 2002. A solvent-free method for preparing improved quality ion-selective electrode membranes. Green Chemistry. 4 (5), pp. 486-491. https://doi.org/10.1039/B206834F

Low input animal production based on forage legumes for grazing systems

C1 - Edited contributions to conferences/learned societies

Molle, G., Rochon, J. J., Greef, J. M., Scholefield, D., Rook, A. J. and Doyle, C. J. 2002. Low input animal production based on forage legumes for grazing systems. Durand, J-L., Emile, J-C., Huyghe, C. and Lemaire, G. (ed.) Multi-Function Grasslands: Quality Forages, Animal Products and Landscapes. Proceedings 19th General Meeting of the European Grassland Federation (EGF), La Rochelle, France, 27-30 May 2002.

Simplified sward nitrogen status assessment from N concentration of upper leaves

C1 - Edited contributions to conferences/learned societies

Farruggia, A., Gastal, F., Duru, M. and Scholefield, D. 2002. Simplified sward nitrogen status assessment from N concentration of upper leaves. Durand, J-L., Emile, J-C., Huyghe, C. and Lemaire, G. (ed.) Multi-Function Grasslands: Quality Forages, Animal Products and Landscapes. Proceedings 19th General Meeting of the European Grassland Federation (EGF), La Rochelle, France, 27-30 May 2002.

An accurate and stable nitrate-selective electrode for the in situ determination of nitrate in agricultural drainage waters

A - Papers appearing in refereed journals

Le Goff, T., Braven, J., Ebdon, L., Chilcott, N. P., Scholefield, D. and Wood, J. R. 2002. An accurate and stable nitrate-selective electrode for the in situ determination of nitrate in agricultural drainage waters. Analyst. 127 (4), pp. 507-511.

Soils and Environmental Quality

C2 - Non-edited contributions to conferences

Parkinson, R. J., Haygarth, P. M. and Scholefield, D. 2002. Soils and Environmental Quality. British Society of Soil Science Conference, Seale-Hayne Campus, University of Plymouth, 8-11 September 2002.

Assessment of nitrate leaching from beneath forage legumes

C1 - Edited contributions to conferences/learned societies

Scholefield, D., Halling, M., Tuori, M., Isolahti, M., Soelter, U. and Stone, A. C. 2002. Assessment of nitrate leaching from beneath forage legumes. Wilkins, R. J. and Paul, C. (ed.) Legume Silages for Animal Production - LEGSIL. Proceedings of an International Workshop, Braunschweig, 8-9 July 2001. Landbauforschung Volkenrode (Special Issue).

Decision support system for nitrogen fertiliser management on grassland

D1 - Technical reports: non-confidential

Scholefield, D. 2001. Decision support system for nitrogen fertiliser management on grassland.

Soil nitrogen emissions

C2 - Non-edited contributions to conferences

Ganzeveld, L., Li, C., Cardenas, L. M., Hawkins, J. M. B. and Kirkman, G. 2001. Soil nitrogen emissions. Emissions of Chemical Species and Aerosols into the Atmosphere. Proceedings of Workshop, Paris, France, 19-22 June 2001.

Nitrate leaching beneath cut legume swards

D1 - Technical reports: non-confidential

Scholefield, D. 2001. Nitrate leaching beneath cut legume swards.

NGAUGE - a Decision Support System for N fertiliser recommendations for UK grassland

J - Computer programs

Brown, L., Scholefield, D., Jewkes, E. C. and Lockyer, D. R. 2001. NGAUGE - a Decision Support System for N fertiliser recommendations for UK grassland.

Simplified sward nitrogen status assessment from N concentration of upper leaves

C2 - Non-edited contributions to conferences

Farruggia, A., Gastal, F., Duru, M. and Scholefield, D. 2001. Simplified sward nitrogen status assessment from N concentration of upper leaves. Organic Grassland Farming. Abstracts International Occasional Symposium of the European Grassland Federation Meeting, Witzenhausen, Germany, 10-12 July 2001.

A comparison of the effect of broadcast application of CCFs and blended fertilisers on herbage yield, composition and N use efficiency in cut swards (Confidential Interim report to Kemira Agro UK Ltd)

D1 - Technical reports: non-confidential

Jewkes, E. C., Brown, L., Scholefield, D. and Butler, M. R. 2001. A comparison of the effect of broadcast application of CCFs and blended fertilisers on herbage yield, composition and N use efficiency in cut swards (Confidential Interim report to Kemira Agro UK Ltd).

Earth: nutrient control

C2 - Non-edited contributions to conferences

Brown, L., Scholefield, D. and Jewkes, E. C. 2001. Earth: nutrient control. Abstract British Grassland Society Winter Meeting, The Right Mix: blending science and practice in dairying, Great Malvern, 19-20 November 2001. British Grassland Society (BGS) Hurley. pp. unpaginated

Correlation between yield of forage legumes in grass mixtures and accumulation of soil mineral nitrogen in Sweden

C1 - Edited contributions to conferences/learned societies

Halling, M. A. and Scholefield, D. 2001. Correlation between yield of forage legumes in grass mixtures and accumulation of soil mineral nitrogen in Sweden. Gomide, J. A., Mattos, W. R. S. and Carneiro da Silva, S. (ed.) Proceedings of the XIX International Grassland Congress 2001, Sao Pedro, Sao Paolo, Brazil, 11-21 February 2001. pp. 109-111

Environmental pressures and national environmental legislation with respect to nutrient management - United Kingdom (UK)

B - Book chapters etc edited externally

Scholefield, D. 2001. Environmental pressures and national environmental legislation with respect to nutrient management - United Kingdom (UK). in: De Clercq, P., Gertsis, A. C., Hofman, G., Jarvis, S. C., Neeteson, J. J. and Sinabell, F. (ed.) Nutrient Management Legislation in European Countries Wageningen Pers, Wageningen, Netherlands. pp. 294-306

Application of an improved technique to evaluate controls on nitrous (N2O) emissions from grassland soils

C2 - Non-edited contributions to conferences

Cardenas, L. M., Hawkins, J. M. B., Chadwick, D. R. and Scholefield, D. 2001. Application of an improved technique to evaluate controls on nitrous (N2O) emissions from grassland soils. Proceedings of an International Workshop on Emissions of Chemical Species and Aerosols into the Atmosphere, Paris, France, 19-22 June 2001.

Dissolved organic carbon losses from grazed grasslands

C1 - Edited contributions to conferences/learned societies

McTiernan, K. B., Jarvis, S. C., Scholefield, D. and Hayes, M. H. B. 2001. Dissolved organic carbon losses from grazed grasslands. Rees, R. M., Ball, B. C., Campbell, C. D. and Watson, C. A. (ed.) Sustainable Management of Soil Organic Matter. Proceedings 27th Meeting of the British Society of Soil Science, Edinburgh, 15-17 September 1999. CABI International, Wallingford, Oxon (CABI). pp. 264-273

Herbage production and nitrate leaching from forage legumes grown in 'organic' conditions in northern Europe

C1 - Edited contributions to conferences/learned societies

Halling, M., Scholefield, D., Wilkins, R. J., Bowling, P. J., Hakkola, H., Hopkins, A., Paul, C., Soelter, U. and Tuori, M. 2001. Herbage production and nitrate leaching from forage legumes grown in 'organic' conditions in northern Europe. Isselstein, J., Spatz, G. and Hofmann, M. (ed.) Organic Grassland Farming. Proceedings of International Occasional Symposium of the European Grassland Federation, Witzenhausen, Germany, 10-12 July 2001.

Dissolved organic carbon losses from grazed grasslands under different management regimes

A - Papers appearing in refereed journals

McTiernan, K. B., Jarvis, S. C., Scholefield, D. and Hayes, M. H. B. 2001. Dissolved organic carbon losses from grazed grasslands under different management regimes. Water Research. 35 (10), pp. 2565-2569. https://doi.org/10.1016/S0043-1354(00)00528-5

Decision support system for nitrogen management on grassland

D1 - Technical reports: non-confidential

Jewkes, E. C., Brown, L., Butler, M. and Scholefield, D. 2000. Decision support system for nitrogen management on grassland.

Investigating preferential flow in a large intact soil block under pasture

A - Papers appearing in refereed journals

Williams, A. J., Scholefield, D., Dowd, J. F., Holden, N. M. and Deeks, L. K. 2000. Investigating preferential flow in a large intact soil block under pasture. Soil Use and Management. 16 (4), pp. 264-269. https://doi.org/10.1111/j.1475-2743.2000.tb00207.x

A decision support system to optimise N use in grassland for economic and environmental targets

C1 - Edited contributions to conferences/learned societies

Brown, L., Scholefield, D. and Jewkes, E. 2000. A decision support system to optimise N use in grassland for economic and environmental targets. Soegaard, K., Ohlsson, C., Hutchings, N. J., Kristensen, T. and Sehested, J. (ed.) Grassland Farming: Balancing Environmental and Economic Demands. Proceedings of the 18th General Meeting of the European Grassland Federation, Aalborg, Denmark, 22-25 May 2000. (Grassland Science in Europe, Vol. 5). European Grassland Federation (EGF). pp. 458-460

Modelling the feasibility of reconciling economic and environmental goals in livestock farming

C1 - Edited contributions to conferences/learned societies

Scholefield, D. and Brown, L. 2000. Modelling the feasibility of reconciling economic and environmental goals in livestock farming. Soegaard, K., Ohlsson, C., Hutchings, N. J., Kristensen, T. and Sehested, J. (ed.) Grassland Farming: Balancing Environmental and Economic Demands. Proceedings of the 18th General Meeting of the European Grassland Federation, Aalborg, Denmark, 22-25 May 2000 (Grassland Science in Europe, Vol 5). European Grassland Federation (EGF). pp. 461-463

Leaching of dissolved organic N from grass - white clover pasture in SW England

C1 - Edited contributions to conferences/learned societies

Hawkins, J. M. B. and Scholefield, D. 2000. Leaching of dissolved organic N from grass - white clover pasture in SW England. Soegaard, K., Ohlsson, C., Hutchings, N. J., Kristensen, T. and Sehested, J. (ed.) Grassland Farming: Balancing Environmental and Economic Demands. Proceedings of the 18th General Meeting of the European Grassland Federation, Aalborg, Denmark, 22-25 May 2000 (Grassland Science in Europe, Vol 5). pp. 378-380

The effects of sulphur application on yields of cut herbage and efficiency of nitrogen use in grasslands with contrasting soil type

D1 - Technical reports: non-confidential

Brown, L., Jewkes, E. C., Scholefield, D. and Butler, M. R. 2000. The effects of sulphur application on yields of cut herbage and efficiency of nitrogen use in grasslands with contrasting soil type. Institute of Grassland and Environmental Research IGER, North Wyke Okehampton.

Nutrient cycling in grazing systems

C1 - Edited contributions to conferences/learned societies

Scholefield, D. and Fisher, G. E. J. 2000. Nutrient cycling in grazing systems. Rook, A. J. and Penning, P. D. (ed.) Grazing Management: the Principles and Practice of Grazing, for Profit and Environmental Gain, within Temperate Grassland Systems. British Grassland Society Occasional Symposium, 34, Harrogate, 29 February - 2 March 2000. British Grassland Society (BGS) Hurley. pp. 119-128

Comparison of grassland management systems for beef cattle using self-contained farmlets: effects of contrasting nitrogen inputs and management strategies on nitrogen budgets, and herbage and animal production

A - Papers appearing in refereed journals

Laws, J. A., Pain, B. F., Jarvis, S. C. and Scholefield, D. 2000. Comparison of grassland management systems for beef cattle using self-contained farmlets: effects of contrasting nitrogen inputs and management strategies on nitrogen budgets, and herbage and animal production. Agriculture, Ecosystems & Environment. 80 (3), pp. 243-254. https://doi.org/10.1016/S0167-8809(00)00150-X

The effect of sulphur application on the efficiency of nitrogen use in two contrasting grassland soils

A - Papers appearing in refereed journals

Brown, L., Scholefield, D., Jewkes, E. C., Preedy, N., Wadge, K. J. and Butler, M. R. 2000. The effect of sulphur application on the efficiency of nitrogen use in two contrasting grassland soils. The Journal of Agricultural Science. 135, pp. 131-138. https://doi.org/10.1017/S0021859699008072

Fertiliser application, slope, rainfall intensity and transport pathways strongly affect quantitites and composition of dissolved organic nutrient exports from grazed grasslands

C2 - Non-edited contributions to conferences

McTiernan, K. B., Jarvis, S. C., Scholefield, D. and Hayes, M. H. B. 1999. Fertiliser application, slope, rainfall intensity and transport pathways strongly affect quantitites and composition of dissolved organic nutrient exports from grazed grasslands. Sustainable Management of Soil Organic Matter. Proceedings 27th Meeting of the British Society of Soil Science, Edinburgh, 15-17 September 1999.

Linking grassland production to environmental impact: a decision support system to optimise nitrogen fertiliser inputs

C1 - Edited contributions to conferences/learned societies

Scholefield, D. and Brown, L. 1999. Linking grassland production to environmental impact: a decision support system to optimise nitrogen fertiliser inputs. Proceedings 10th Nitrogen Workshop, Copenhagen, Denmark, 23-26 August 1999. pp. 4pp

Dissolved free amino acids in surface lateral drainage from grazed grassland

C2 - Non-edited contributions to conferences

Hawkins, J. M. B. and Scholefield, D. 1999. Dissolved free amino acids in surface lateral drainage from grazed grassland. Proceedings of the Tenth Nitrogen Workshop, Copenhagen, 1999. pp. 4pp

Nitrogen utilization and environmental implications in grassland farming

B - Book chapters etc edited externally

Scholefield, D. 1999. Nitrogen utilization and environmental implications in grassland farming. in: Contributions of Grassland and Forage Research to the Development of Systems of Sustainable Land Use. Landbauforschung Volkenrode, Sonderheft, 206

The effect of sulphur application on efficiency of nitrogen use in grassland: some preliminary results

C1 - Edited contributions to conferences/learned societies

Brown, L., Jewkes, E. C. and Scholefield, D. 1999. The effect of sulphur application on efficiency of nitrogen use in grassland: some preliminary results. Corrall, A. J. (ed.) Accounting for Nutrients: A Challenge for Grassland Farmers in the 21st Century, British Grassland Society Occasional Symposium No 33, BGS Conference, Great Malvern, UK, 22-23 November 1999. British Grassland Society (BGS) Hurley. pp. 63-67

Field evaluation of a novel nitrate sensitive electrode in drainage waters from agricultural grassland

A - Papers appearing in refereed journals

Scholefield, D., Braven, J., Chilcott, N. P., Ebdon, L., Stone, A. C., Sutton, P. G. and Wood, J. W. 1999. Field evaluation of a novel nitrate sensitive electrode in drainage waters from agricultural grassland. Analyst. 124 (10), pp. 1467-1470.

Quantification of pore size distribution and the movement of solutes through isolated soil blocks

A - Papers appearing in refereed journals

Deeks, L. K., Williams, A. G., Dowd, J. F. and Scholefield, D. 1999. Quantification of pore size distribution and the movement of solutes through isolated soil blocks. Geoderma. 90 (1-2), pp. 65-86.

Development of a sensitive nitrate-selective electrode for on- site use in fresh waters

A - Papers appearing in refereed journals

Sutton, P. G., Braven, J., Ebdon, L. and Scholefield, D. 1999. Development of a sensitive nitrate-selective electrode for on- site use in fresh waters. Analyst. 124 (6), pp. 877-882.

A storm event and delta13C signatures of DOC in run-off drainage waters from grazed grasslands

C2 - Non-edited contributions to conferences

McTiernan, K. B., Allen, D. K., Bol, R., Jarvis, S. C., Scholefield, D. and Hayes, M. H. B. 1999. A storm event and delta13C signatures of DOC in run-off drainage waters from grazed grasslands. SIMSUG 1999, Book of Abstracts of the Annual Meeting of the Stable Isotope Mass Spectrometry Users Group, Exeter, UK, 19-20 January 1999 (R Bol, SC Jarvis & LR Mytton, organisers). Institute of Grassland and Environmental Research IGER, North Wyke Okehampton. pp. 65

A comparison of triple superphosphate and Gafsa ground rock phosphate fertiliser as P-sources for grass-clover swards on a poorly-drained acid clay soil

A - Papers appearing in refereed journals

Scholefield, D., Sheldrick, R. D., Martyn, T. M. and Lavender, R. H. 1999. A comparison of triple superphosphate and Gafsa ground rock phosphate fertiliser as P-sources for grass-clover swards on a poorly-drained acid clay soil. Nutrient Cycling in Agroecosystems. 53 (2), pp. 147-155.

Short-term changes in delta13C and delta15N signatures of water discharged from grazed grasslands

A - Papers appearing in refereed journals

McTiernan, K. B., Jarvis, S. C., Allen, D. K., Bol, R. and Scholefield, D. 1999. Short-term changes in delta13C and delta15N signatures of water discharged from grazed grasslands. Rapid Communications in Mass Spectrometry. 13 (18), pp. 1803-1807.

Use of a novel incubation technique to measure N2O/N2 following surface or injected application of slurry

C1 - Edited contributions to conferences/learned societies

Scholefield, D., Chadwick, D. R. and Hawkins, J. M. B. 1999. Use of a novel incubation technique to measure N2O/N2 following surface or injected application of slurry. Buchanan-Smith, J. G., Bailey, L. D. and McCaughey, P. (ed.) Grasslands 2000, Proceedings of the XVIII International Grassland Congress, Winnipeg, Manitoba, Saskatoon, Saskatchewan, Canada, 8-17 June 1997 (Vol 2). Canadian Forage Council, Can Soc Agron, Can Soc Anim Sci. pp. 20-3 - 20-4

An integrated soil testing - modelling approach to improve fertiliser recommendation for grassland

C1 - Edited contributions to conferences/learned societies

Brown, L., Jewkes, E. C., Preedy, N. and Scholefield, D. 1999. An integrated soil testing - modelling approach to improve fertiliser recommendation for grassland. Buchanan-Smith, J. G., Bailey, L. D. and McCaughey, P. (ed.) Grasslands 2000, Proceedings of the XVIII International Grassland Congress, Winnipeg, Manitoba, Saskatoon, Saskatchewan, Canada, 8-17 June 1997 (Vol 1). Canadian Forage Council, Can Soc Agron, Can Soc Anim Sci. pp. 10-93

Special K - the role of potassium in crop growth and health

G - Articles in popular magazines and other technical publications

Sheldrick, R. D. and Scholefield, D. 1998. Special K - the role of potassium in crop growth and health. Organic Farming: Soil Association's Journal for Organic Horticulture and Agriculture. 59 (Autumn), pp. 18-19.

A large soil block experiment to monitor and model soil water and tracer movement

C2 - Non-edited contributions to conferences

Williams, A. G., Dowd, J. F., Holden, N. M. and Scholefield, D. 1998. A large soil block experiment to monitor and model soil water and tracer movement. Pennines Hydrology Group Conference on Experimental and Modelling Studies of Water and Solute Fluxes in Field Soils, Newcastle University, 1998.

Use of forage legumes for silage in low-input dairy production systems

B - Book chapters etc edited externally

Wilkins, R. J., Bertilsson, J., Doyle, C. J., Halling, M., Paul, C., Scholefield, D., Nousiainen, J. and Syrjala-Qvist, L. 1998. Use of forage legumes for silage in low-input dairy production systems. in: Nagy, G. and Peto, K. (ed.) Ecological Aspects of Grassland Management, Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen Agricultural University, Debrecen, Hungary, 18-21 May 1998 British Grassland Society (BGS) Hurley. pp. 285-288

The potential of amino acid distributions as diagnostics of soil quality

B - Book chapters etc edited externally

Hawkins, J. M. B., Scholefield, D. and Bol, R. 1998. The potential of amino acid distributions as diagnostics of soil quality. in: Nagy, G. and Peto, K. (ed.) Ecological Aspects of Grassland Management, Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen Agricultural University, Debrecen, Hungary, 18-21 May 1998 British Grassland Society (BGS) Hurley. pp. 555-558

Temporal and spatial patterns of soil water in a silvopastoral production system

C2 - Non-edited contributions to conferences

Parkinson, R. J., Williams, A., Penn, M. and Scholefield, D. 1998. Temporal and spatial patterns of soil water in a silvopastoral production system. Proceedings of the 16th International Soil Science Congress, Montpellier, France, September 1998.

Rock legend - phosphate fertilizers

G - Articles in popular magazines and other technical publications

Sheldrick, R. D. and Scholefield, D. 1998. Rock legend - phosphate fertilizers. New Farmer and Grower. 57 (Spring), pp. 28-29.

Grassland and environment

B - Book chapters etc edited externally

Scholefield, D. 1998. Grassland and environment. in: Virkajarvi, P., Root, T. and Tuori, M. (ed.) Agenda 2000 and Grassland Production, Finnish Grassland society, Valio, Helsinki, 26 February 1998 Finnish Grassland Society / Suomen Nurmiyhdistyksen Helsinki. pp. 30-44

Fertilizer strategies for efficiency and the environment

G - Articles in popular magazines and other technical publications

Brown, L. and Scholefield, D. 1998. Fertilizer strategies for efficiency and the environment. 2, pp. 48-51.

Experimental evaluation of the use of sulphur fertilizer to improve N use efficiency in grassland soils

B - Book chapters etc edited externally

Brown, L., Jewkes, E. C., Preedy, N., Wadge, K. J. and Scholefield, D. 1998. Experimental evaluation of the use of sulphur fertilizer to improve N use efficiency in grassland soils. in: Nagy, G. and Peto, K. (ed.) Ecological Aspects of Grassland Management, Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen Agricultural University, Debrecen, Hungary, 18-21 May 1998 British Grassland Society (BGS) Hurley. pp. 647-649

DOC losses from grasslands under different management regimes

C2 - Non-edited contributions to conferences

McTiernan, K. B., Jarvis, S. C. and Scholefield, D. 1998. DOC losses from grasslands under different management regimes. British Society of Soil Science 26th Meeting, 6-9 September 1998.

Design criteria for effective buffer zones

B - Book chapters etc edited externally

Scholefield, D., Chadwick, D. R. and Macey, N. 1998. Design criteria for effective buffer zones. in: Nagy, G. and Peto, K. (ed.) Ecological Aspects of Grassland Management, Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen Agricultural University, Debrecen, Hungary, 18-21 May 1998 British Grassland Society (BGS) Hurley. pp. 587-590

A model to optimize nitrogen use according to grassland management, soil conditions and weather patterns for economic and environmental targets

B - Book chapters etc edited externally

Brown, L. and Scholefield, D. 1998. A model to optimize nitrogen use according to grassland management, soil conditions and weather patterns for economic and environmental targets. in: Nagy, G. and Peto, K. (ed.) Ecological Aspects of Grassland Management, Proceedings of the 17th General Meeting of the European Grassland Federation, Debrecen Agricultural University, Debrecen, Hungary, 18-21 May 1998 British Grassland Society (BGS) Hurley. pp. 651-654

Integration of soil testing and modelling as a basis for fertiliser recommendations for grassland

C1 - Edited contributions to conferences/learned societies

Scholefield, D., Brown, L., Jewkes, E. C. and Preedy, N. 1997. Integration of soil testing and modelling as a basis for fertiliser recommendations for grassland. Lemaire, G. and Burns, I. G. (ed.) Diagnostic Procedures for Crop N Management. Proceedings of an INRA/BBSRC Workshop, Poitiers, France, 22-23 November 1995. Institut National de la Recherche Agronomique (INRA), Paris. pp. 139-147

Developing fertiliser recommendations for grassland

C2 - Non-edited contributions to conferences

Scholefield, D. and Brown, L. 1997. Developing fertiliser recommendations for grassland. Proceedings of the 29th Meeting of the Agricultural Research Modellers Group, Royal Society, London.

Use of a flowing helium atmosphere incubation technique to measure the effects of denitrification controls applied to intact cores of a clay soil

A - Papers appearing in refereed journals

Scholefield, D., Hawkins, J. M. B. and Jackson, S. M. 1997. Use of a flowing helium atmosphere incubation technique to measure the effects of denitrification controls applied to intact cores of a clay soil. Soil Biology and Biochemistry. 29 (9-10), pp. 1337-1344. https://doi.org/10.1016/S0038-0717(97)00059-X

The response to S of a cut ryegrass pasture in south west England

D1 - Technical reports: non-confidential

Brown, L., Scholefield, D., Jewkes, E. C. and Preedy, N. 1997. The response to S of a cut ryegrass pasture in south west England.

The extent and pathways of transfer of organic N from fertilised and unfertilised grassland

C2 - Non-edited contributions to conferences

Hawkins, J. M. B. and Scholefield, D. 1997. The extent and pathways of transfer of organic N from fertilised and unfertilised grassland. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 97-98

The effect of weather on nitrate leaching from grassland

C2 - Non-edited contributions to conferences

Stone, A. C., Scholefield, D. and Tyson, K. C. 1997. The effect of weather on nitrate leaching from grassland. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 105-106

Nitrate leaching from sandy loam soils under a double-cropping forage system estimated from suction-probe measurements

A - Papers appearing in refereed journals

Trindade, H., Coutinho, J., Van Beusichem, M. L., Scholefield, D. and Moreira, N. 1997. Nitrate leaching from sandy loam soils under a double-cropping forage system estimated from suction-probe measurements. Plant and Soil. 195 (2), pp. 247-256.

Nitrate leaching from grassland receiving conventional and model-prescribed patterns of N fertilizer

C2 - Non-edited contributions to conferences

Preedy, N., Brown, L., Jewkes, E. C. and Scholefield, D. 1997. Nitrate leaching from grassland receiving conventional and model-prescribed patterns of N fertilizer. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. Wiley.

LEGSIL legume silages for milk production

G - Articles in popular magazines and other technical publications

Halling, M., Scholefield, D., Pahlow, G., Bertilsson, J. and Doyle, C. 1997. LEGSIL legume silages for milk production.

Integrated modelling and soil testing for improved fertilizer recommendations for grassland

C2 - Non-edited contributions to conferences

Brown, L., Scholefield, D., Jewkes, E. C. and Preedy, N. 1997. Integrated modelling and soil testing for improved fertilizer recommendations for grassland. Fertilization for Sustainable Plant Production and Soil Fertility, 11th World Fertilizer Congress of CIEC, Gent, Belgium, 7-13 September 1997.

Incipient S deficiency in the grassland soils of SW England

C2 - Non-edited contributions to conferences

Brown, L., Scholefield, D., Jewkes, E. C. and Preedy, N. 1997. Incipient S deficiency in the grassland soils of SW England. Fertilization for Sustainable Plant Production and Soil Fertility, 11th World Fertilizer Congress of CIEC, Gent, Belgium, 7-13 September 1997.

Dissolved humic substances in water from drained and undrained grazed grassland in SW England

B - Book chapters etc edited externally

Hayes, T. M., Watt, B. E., Scholefield, D., Clapp, C. E., Swift, R. S. and Skjemstad, J. O. 1997. Dissolved humic substances in water from drained and undrained grazed grassland in SW England. in: Hayes, M. H. B. and Wilson, W. S. (ed.) Humic Substance in Soils, Peats and Sludges, Health and Environmental Aspects, Royal Society of Chemistry Special Publication 172 Royal Society of Chemistry (RSC). pp. 107-121

Development of a helium atmosphere soil incubation technique for direct measurement of nitrous oxide and dinitrogen fluxes during denitrification

A - Papers appearing in refereed journals

Scholefield, D., Hawkins, J. M. B. and Jackson, S. M. 1997. Development of a helium atmosphere soil incubation technique for direct measurement of nitrous oxide and dinitrogen fluxes during denitrification. Soil Biology and Biochemistry. 29 (9-10), pp. 1345-1352.

Determination of controls over denitrification using a flowing helium atmosphere system

B - Book chapters etc edited externally

Scholefield, D. and Hawkins, J. M. B. 1997. Determination of controls over denitrification using a flowing helium atmosphere system. in: Jarvis, S. C. and Pain, B. F. (ed.) Gaseous Nitrogen Emissions from Grasslands Wallingford, Oxon CAB International (CABI). pp. 27-36

A comparison of triple superphosphate and Gafsa ground rock phosphate fertilisers as P-sources for grass-clover swards

C2 - Non-edited contributions to conferences

Martyn, T. M., Scholefield, D., Sheldrick, R. D. and Lavender, R. H. 1997. A comparison of triple superphosphate and Gafsa ground rock phosphate fertilisers as P-sources for grass-clover swards. British Grassland Society (BGS) Fifth Research Conference, Seale Hayne Faculty of Agriculture Food & Land Use, University of Plymouth, Newton Abbot, Devon, 8-10 September 1997. British Grassland Society (BGS) Hurley. pp. 107-108

A comparison of animal output and nitrogen leaching losses recorded from drained fertilized grass and grass/clover pasture

A - Papers appearing in refereed journals

Tyson, K. C., Scholefield, D., Jarvis, S. C. and Stone, A. C. 1997. A comparison of animal output and nitrogen leaching losses recorded from drained fertilized grass and grass/clover pasture. The Journal of Agricultural Science. 129 (3), pp. 315-323. https://doi.org/10.1017/S0021859697004760

Integrated soil testing and modelling as a basis for fertilizer recommendations for grassland to optimise yield and environmental impact

C2 - Non-edited contributions to conferences

Scholefield, D., Brown, L., Jewkes, E. C. and Preedy, N. 1996. Integrated soil testing and modelling as a basis for fertilizer recommendations for grassland to optimise yield and environmental impact. Transactions of the 9th N Workshop, Braunschweig, September 1996. pp. 105-108

Experimental evaluation of tactical fertilizer strategies developed from soil testing and modelling

C2 - Non-edited contributions to conferences

Brown, L., Scholefield, D., Stone, A. C. and Titchen, N. M. 1996. Experimental evaluation of tactical fertilizer strategies developed from soil testing and modelling. Transactions of the 9th N Workshop, Braunschweig, September 1996. pp. 391-394

The impact of a silvopastoral system on soil water status and nitrate leaching

B - Book chapters etc edited externally

Scholefield, D., Penn, M., Parkinson, R. J., Williams, A. G. and Wilkins, R. J. 1996. The impact of a silvopastoral system on soil water status and nitrate leaching. in: Parente, G., Frame, J. and Orsi, S. (ed.) Grassland and Land Use Systems, Proceedings of the 16th General Meeting of the European Grassland Federation, Grado (Gorizia), Italy, 15-19 September 1996 pp. 835-838

Testing the performance of a one-dimensional solute transport model (LEACHC) using response surface methodology

A - Papers appearing in refereed journals

Holden, N. M., Rook, A. J. and Scholefield, D. 1996. Testing the performance of a one-dimensional solute transport model (LEACHC) using response surface methodology. Geoderma. 69, pp. 157-173.

Nitrogen flows in ley-arable systems

B - Book chapters etc edited externally

Scholefield, D. and Smith, J. U. 1996. Nitrogen flows in ley-arable systems. in: Younie, D. (ed.) Legumes in Sustainable Farming Systems, British Grassland Society Occasional Symposium No 30 (Proceedings of joint conference of BGS and SFS Initiative, SAC, Craibstone, Aberdeen, 2-4 September 1996) British Grassland Society (BGS) Hurley. pp. 96-104

Nitrate selective electrodes containing amino acid betamines as sensors

A - Papers appearing in refereed journals

Braven, J., Ebdon, L., Sutton, P. G., Frampton, N. C. and Scholefield, D. 1996. Nitrate selective electrodes containing amino acid betamines as sensors. Analytical Communications. 33 (2), pp. 53-55.

Molybdate-reactive phosphorus losses in surface and drainage waters from permanent grassland

A - Papers appearing in refereed journals

Hawkins, J. M. B. and Scholefield, D. 1996. Molybdate-reactive phosphorus losses in surface and drainage waters from permanent grassland. Journal of Environmental Quality. 25 (4), pp. 727-732. https://doi.org/10.2134/jeq1996.00472425002500040012x

Long-term study on the transfer of phosphorus from grassland soil to surface waters

B - Book chapters etc edited externally

Hawkins, J. M. B., Haygarth, P. M., Jarvis, S. C. and Scholefield, D. 1996. Long-term study on the transfer of phosphorus from grassland soil to surface waters. in: Petchey, A. M., D'Arcy, B. J. and Trust, C. A. (ed.) Diffuse Pollution and Agriculture Scottish Agricultural College (SAC) Nevisprint Ltd. pp. 252-254

Estimating peak nitrate concentrations from annual nitrate loads

A - Papers appearing in refereed journals

Scholefield, D., Lord, E. I., Rodda, H. J. E. and Webb, B. W. 1996. Estimating peak nitrate concentrations from annual nitrate loads. Journal of Hydrology. 186 (1-4), pp. 355-373. https://doi.org/10.1016/S0022-1694(96)03018-1

A comparison of animal output and nitrogen leaching losses from grassland receiving 200 kg N/ha/annum and grass/clover receiving no fertilizer nitrogen

B - Book chapters etc edited externally

Tyson, K. C., Stone, A. C., Scholefield, D. and Jarvis, S. C. 1996. A comparison of animal output and nitrogen leaching losses from grassland receiving 200 kg N/ha/annum and grass/clover receiving no fertilizer nitrogen. in: Younie, D. (ed.) Legumes in Sustainable Farming Systems, British Grassland Society Occasional Symposium No 30 (Proceedings of joint conference of BGS and SFS Initiative, SAC, Craibstone, Aberdeen, 2-4 September 1996) British Grassland Society (BGS) Hurley. pp. 273-274

The simultaneous use of three common hydrological tracers for fine spatial and temporal resolution investigation of preferential flow in a large soil block

C2 - Non-edited contributions to conferences

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1995. The simultaneous use of three common hydrological tracers for fine spatial and temporal resolution investigation of preferential flow in a large soil block. Abstracts. Unsaturated Zone and Groundwater Symposium, 6 July 1995. Proceedings of the International Association of Hydrological Sciences, Boulder, USA, July 1995.

The simulation of N-fixation by white clover within a model describing N-flows in grazed grassland

C1 - Edited contributions to conferences/learned societies

Scholefield, D., Lockyer, D. R. and Ledgard, S. F. 1995. The simulation of N-fixation by white clover within a model describing N-flows in grazed grassland. 27th Meeting of Agricultural Research Modelling Group, Royal Society, October 1995.

The prediction of peak nitrate concentration from annual nitrate loads of the field and catchment scales

C2 - Non-edited contributions to conferences

Rodda, H. J. E., Scholefield, D., Lord, E. I. and Webb, B. W. 1995. The prediction of peak nitrate concentration from annual nitrate loads of the field and catchment scales. Abstracts. Applications of Models to Scale Symposium, 11 July 2005. Proceedings of the International Association of Hydrological Sciences, Boulder, USA, July 1995.

Interfacing a fine resolution dataset and a one dimensional model to test quality of output with respect to preferential flow

C1 - Edited contributions to conferences/learned societies

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1995. Interfacing a fine resolution dataset and a one dimensional model to test quality of output with respect to preferential flow. Second Conference on Hydrological Processes in the Catchment, Krakow, Poland, 1995.

A management model for predicting nitrate leaching from grassland catchments in the United Kingdom. 1. Model development

A - Papers appearing in refereed journals

Rodda, H. J. E., Scholefield, D., Webb, B. W. and Walling, D. E. 1995. A management model for predicting nitrate leaching from grassland catchments in the United Kingdom. 1. Model development. Hydrological Sciences Journal. 40 (4), pp. 433-452.

A large soil block for in situ real-time fine spatial and temporal resolution measurement of preferential flow

C1 - Edited contributions to conferences/learned societies

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1995. A large soil block for in situ real-time fine spatial and temporal resolution measurement of preferential flow. Second Conference on Hydrological Processes in the Catchment, Krakow, Poland, 1995.

Paper test-strips for rapid determination of nitrate tracer

A - Papers appearing in refereed journals

Holden, N. M. and Scholefield, D. 1995. Paper test-strips for rapid determination of nitrate tracer. Communications in Soil Science and Plant Analysis. 26 (11-12), pp. 1885-1894.

Nutrient run-off following application of livestock wastes to grassland

A - Papers appearing in refereed journals

Misselbrook, T. H., Pain, B. F., Stone, A. C. and Scholefield, D. 1995. Nutrient run-off following application of livestock wastes to grassland. Environmental Pollution. 88, pp. 51-56. https://doi.org/10.1016/0269-7491(95)91047-O

Nutrient losses in run-off water following application of different fertilisers to grassland cut for silage

A - Papers appearing in refereed journals

Scholefield, D. and Stone, A. C. 1995. Nutrient losses in run-off water following application of different fertilisers to grassland cut for silage. Agriculture, Ecosystems & Environment. 55 (3), pp. 181-191.

Nitrogen cycling in grazing systems

B - Book chapters etc edited externally

Jarvis, S. C., Scholefield, D. and Pain, B. F. 1995. Nitrogen cycling in grazing systems. in: Bacon, P. (ed.) Nitrogen Fertilization and the Environment Marcel Dekker Inc, New York. pp. 381-419

Management options to limit nitrate leaching from grassland

A - Papers appearing in refereed journals

Cuttle, S. P. and Scholefield, D. 1995. Management options to limit nitrate leaching from grassland. Journal of Contaminant Hydrology. 20 (3-4), pp. 299-312.

Dissolved humic substances in drainage waters from grazed grassland in SW England

C1 - Edited contributions to conferences/learned societies

Hayes, T. M., Scholefield, D. and Hayes, M. H. B. 1995. Dissolved humic substances in drainage waters from grazed grassland in SW England. Proceedings of International Conference on Humic Substances, Dublin, Ireland, September 1995.

Development of a rapid field-test for soil mineral nitrogen and its application to grazed grassland

A - Papers appearing in refereed journals

Scholefield, D. and Titchen, N. M. 1995. Development of a rapid field-test for soil mineral nitrogen and its application to grazed grassland. Soil Use and Management. 11 (1), pp. 33-43. https://doi.org/10.1111/j.1475-2743.1995.tb00493.x

Computer control for investigating water and chemical transport in a large isolated soil block

A - Papers appearing in refereed journals

Holden, N. M., Dowd, J. F., Williams, A. J. and Scholefield, D. 1995. Computer control for investigating water and chemical transport in a large isolated soil block. Computers and Electronics in Agriculture. 12 (3), pp. 225-236.

An evaluation of farm woodlands as nitrate buffers in intensively managed grassland

C1 - Edited contributions to conferences/learned societies

Macey, N. J., Scholefield, D. and Webb, B. W. 1995. An evaluation of farm woodlands as nitrate buffers in intensively managed grassland. Pollott, G. E. (ed.) Grassland into the 21st Century: Challenges and Opportunities, British Grassland Society Occasional Symposium No 29, 50th Anniversary Meeting, Harrogate, UK, 4-6 December 1995. British Grassland Society (BGS) Hurley. pp. 185-186

Nitrogen efficiency on dairy farms in South West England

D1 - Technical reports: non-confidential

Titchen, N. M., Scholefield, D. and Panayides, R. 1995. Nitrogen efficiency on dairy farms in South West England.

A large soil block and integrated sampling system for fine vegetation investigations of preferential flow

C2 - Non-edited contributions to conferences

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1994. A large soil block and integrated sampling system for fine vegetation investigations of preferential flow. Proceedings of the Annual Conference of the British Society of Soil Science, 1994, Silsoe, UK.

Use of a `flow-over' incubation technique without acetylene blocking to measure the effect of the factors controlling denitrification in a grassland soil

C2 - Non-edited contributions to conferences

Scholefield, D., Hawkins, J. M. B. and Jackson, S. M. 1994. Use of a `flow-over' incubation technique without acetylene blocking to measure the effect of the factors controlling denitrification in a grassland soil. Progress in Nitrogen Cycling, the Eighth Nitrogen Cycling Workshop, University of Ghent, Belgium, 5-9 September 1994.

Soil water and nutrient dynamics in a silvopastoral agroforestry system

C2 - Non-edited contributions to conferences

Penn, M., Parkinson, R. J., Scholefield, D. and Williams, A. G. 1994. Soil water and nutrient dynamics in a silvopastoral agroforestry system. Annual Meeting of the UK Agroforestry Research Forum, 6-8 July 1994, University of Leeds.

Near real-time determination of nitrate leaching as an integrated component of a large soil block experiment for fine resolution preferential flow investigation

C2 - Non-edited contributions to conferences

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1994. Near real-time determination of nitrate leaching as an integrated component of a large soil block experiment for fine resolution preferential flow investigation. Progress in Nitrogen Cycling, the Eighth Nitrogen Cycling Workshop, University of Ghent, Belgium, 5-9 September 1994.

Management options to limit nitrate leaching from grassland

C1 - Edited contributions to conferences/learned societies

Cuttle, S. P. and Scholefield, D. 1994. Management options to limit nitrate leaching from grassland. Etchevers, J. D., Aguilar, A., Nunez, R., Alcantar, G. and Sanches, P. (ed.) Transactions of the 15th World Congress of Soil Science, Acapulco, Mexico, 10-16 July 1994. International and Mexican Society of Soil Science.

Kinetics of the denitrification in a soil under permanent pasture

A - Papers appearing in refereed journals

Dendooven, L., Splatt, P., Anderson, J. M. and Scholefield, D. 1994. Kinetics of the denitrification in a soil under permanent pasture. Soil Biology and Biochemistry. 26 (3), pp. 361-370.

Farm woodlands as nitrate soils

C2 - Non-edited contributions to conferences

Macey, N. J., Scholefield, D. and Webb, B. W. 1994. Farm woodlands as nitrate soils. Progress in Nitrogen Cycling, the Eighth Nitrogen Cycling Workshop, University of Ghent, Belgium, 5-9 September 1994.

Empirical relationship describing the effects of preferential flow on nitrate leaching

C1 - Edited contributions to conferences/learned societies

Scholefield, D., Lord, E. I. and Rodda, H. J. E. 1994. Empirical relationship describing the effects of preferential flow on nitrate leaching. Etchevers, J. D. Aguilar, A. Nunez, R. Alcantar, G. Sanchez, P. (ed.) Transactions of the 15th World Congress of Soil Science, Acapulco, Mexico, 10-16 July 1994. International and Mexican Society of Soil Science.

Development of a `flow-over' technique to measure N2 and N2O fluxes during soil incubation

C2 - Non-edited contributions to conferences

Hawkins, J. M. B. and Scholefield, D. 1994. Development of a `flow-over' technique to measure N2 and N2O fluxes during soil incubation. Progress in Nitrogen Cycling, the Eighth Nitrogen Cycling Workshop, University of Ghent, Belgium, 5-9 September 1994.

Design of a large soil block for fine temporal and spatial resolution investigations of preferential flow

C1 - Edited contributions to conferences/learned societies

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1994. Design of a large soil block for fine temporal and spatial resolution investigations of preferential flow. Etchevers, J. D., Aguilar, A., Nunez, R., Alcantar, G. and Sanchez, P. (ed.) Transactions of the 15th World Congress of Soil Science, Acapulco, Mexico, 10-16 July 1994. International and Mexican Society of Soil Science.

Assessing preferential flow using integrated experimental and modelling techniques

C1 - Edited contributions to conferences/learned societies

Holden, N. M., Scholefield, D., Williams, A. J. and Dowd, J. F. 1994. Assessing preferential flow using integrated experimental and modelling techniques. Etchevers, J. D., Aguilar, A., Nunez, R., Alcantar, G. and Sanchez, P. (ed.) Transactions of the 15th World Congress of Soil Science, Acapulco, Mexico, 10-16 July 1994. International and Mexican Society of Soil Science.

A field-based spectrophotometric flow-injection system for automatic determination of chloride in soil water

A - Papers appearing in refereed journals

Holden, N. M., Dowd, J. F., Williams, A. J. and Scholefield, D. 1994. A field-based spectrophotometric flow-injection system for automatic determination of chloride in soil water. Environmental Monitoring And Assessment. 36, pp. 217-228.

The "nitrate problem" in grassland

G - Articles in popular magazines and other technical publications

Scholefield, D. 1993. The "nitrate problem" in grassland. AFRC News. (April 1993), p. 12.

Preferential flow in a heavy clay soil

C2 - Non-edited contributions to conferences

Addison, P. J., Williams, A. J., Scholefield, D. and Dowd, J. F. 1993. Preferential flow in a heavy clay soil. EOS Supplement. pp. 293

North Wyke rapid nitrogen test

C2 - Non-edited contributions to conferences

Titchen, N. M. and Scholefield, D. 1993. North Wyke rapid nitrogen test. European Dairy Event, May 1993, Stoneleigh, UK.

Nitrogen efficiency on dairy farms - problems and solutions

C2 - Non-edited contributions to conferences

Titchen, N. M. and Scholefield, D. 1993. Nitrogen efficiency on dairy farms - problems and solutions. Genus Management Conference, York, October 1993.

Nitrate leaching from grazed grassland lysimeters: effects of fertilizer input, field drainage, age of sward and patterns of weather

A - Papers appearing in refereed journals

Scholefield, D., Tyson, K. C., Garwood, E. A., Armstrong, A. C., Hawkins, J. M. B. and Stone, A. C. 1993. Nitrate leaching from grazed grassland lysimeters: effects of fertilizer input, field drainage, age of sward and patterns of weather. Journal of Soil Science. 44, pp. 601-613.

More efficient use of fertiliser N on dairy farms

D1 - Technical reports: non-confidential

Titchen, N. M., Scholefield, D. and Panayides, R. 1993. More efficient use of fertiliser N on dairy farms.

Measurement of nitrogen and nitrous oxide fluxes using a novel technique

C2 - Non-edited contributions to conferences

Hawkins, J. M. B. and Scholefield, D. 1993. Measurement of nitrogen and nitrous oxide fluxes using a novel technique. Fourth AFRC Meeting on Plant and Soil Nitrogen Metabolism, 15-17 December 1993, Silsoe, UK.

Integration of experimental and modelling techniques to asses preferential flow

C2 - Non-edited contributions to conferences

Holden, N. M., Scholefield, D., Williams, A. J. and Dawd, J. F. 1993. Integration of experimental and modelling techniques to asses preferential flow. EOS Supplement. pp. 293

Final report on the AFRC-ADAS Drainage Experiment 1982-1992. North Wyke Research Station (28 pp.)

D1 - Technical reports: non-confidential

Tyson, K. C., Hawkins, J. M. B. and Stone, A. C. 1993. Final report on the AFRC-ADAS Drainage Experiment 1982-1992. North Wyke Research Station (28 pp.).

Experiment NW 88 Forms and rates of phosphate fertilizers for grass-clover swards

D1 - Technical reports: non-confidential

Scholefield, D., Sheldrick, R. D., Lavender, R. H. and Martyn, T. M. 1993. Experiment NW 88 Forms and rates of phosphate fertilizers for grass-clover swards.

Efficient fertiliser strategies for grassland

C2 - Non-edited contributions to conferences

Titchen, N. M. and Scholefield, D. 1993. Efficient fertiliser strategies for grassland. Grassland 1993, May 1993, Stoneleigh, UK.

Development of an N-cycle model to predict nitrate leaching from grassland catchments

C2 - Non-edited contributions to conferences

Rodda, H. J. E. and Scholefield, D. 1993. Development of an N-cycle model to predict nitrate leaching from grassland catchments. pp. 302

The role of earthworms in managed, permanent pastures in Devon, England

A - Papers appearing in refereed journals

Knight, D., Elliott, P. W., Andersen, J. M. and Scholefield, D. 1992. The role of earthworms in managed, permanent pastures in Devon, England. Soil Biology and Biochemistry. 24 (12), pp. 1511-1517.

The North Wyke grassland drainage experiment

G - Articles in popular magazines and other technical publications

Tyson, K. C., Hawkins, J. M. B. and Stone, A. C. 1992. The North Wyke grassland drainage experiment. Grass Farmer . 42, pp. 21-23.

More efficient use of fertilizer N on dairy farms

D1 - Technical reports: non-confidential

Titchen, N. M., Scholefield, D. and Panayides, R. 1992. More efficient use of fertilizer N on dairy farms.

An isotope tracer experiment on a drained grassland soil: implications for the 'old water - new water' controversy

C1 - Edited contributions to conferences/learned societies

Addison, P. J., Williams, A. S., Ternon, J. L., Wenner, D. B., Dowd, J. F. and Scholefield, D. 1992. An isotope tracer experiment on a drained grassland soil: implications for the 'old water - new water' controversy. Seventeenth General Assembly of European Geographical Society, Session HS1.2, Run-off prediction on small catchments, Edinburgh 1991.

A model to predict transformations and losses of nitrogen in UK pastures grazed by beef-cattle

A - Papers appearing in refereed journals

Scholefield, D., Lockyer, D. R., Whitehead, D. C. and Tyson, K. C. 1991. A model to predict transformations and losses of nitrogen in UK pastures grazed by beef-cattle. Plant and Soil. 132 (2), pp. 165-177. https://doi.org/10.1007/bf00010397

An isotope tracer experiment on a drained grassland soil: implications for the "old water - new water" controversy

C2 - Non-edited contributions to conferences

Addison, P. J., Dowd, J. F., Wenner, D. B., Scholefield, D. and Williams, A. G. 1991. An isotope tracer experiment on a drained grassland soil: implications for the "old water - new water" controversy. American Geophysical Union Full Meeting 1991.

Soil, water and nutrient dynamics in a silvopastoral system

C2 - Non-edited contributions to conferences

Penn, M., Parkinson, R. J., Scholefield, D. and Williams, A. J. 1989. Soil, water and nutrient dynamics in a silvopastoral system. Proceedings of the Fourth British Grassland Society (BGS) Research Conference, 26-28 September, Reading, UK.

Strategies of fertilizer nitrogen application to grassland for beef: effects on production and soil mineral nitrogen

C1 - Edited contributions to conferences/learned societies

Titchen, N. M., Wilkins, R. J., Philipps, L. and Scholefield, D. 1989. Strategies of fertilizer nitrogen application to grassland for beef: effects on production and soil mineral nitrogen. Desroches, R. (ed.) Proceedings of XVIth International Grassland Congress, Nice, France. pp. 183-184

Fertiliser strategies to reduce leaching losses from grazed grassland

G - Articles in popular magazines and other technical publications

Titchen, N. M., Philipps, L., Scholefield, D. and Wilkins, R. J. 1988. Fertiliser strategies to reduce leaching losses from grazed grassland. AgTec 1988/89.

Fertiliser strategies to reduce leaching loss from grazed grass

C2 - Non-edited contributions to conferences

Titchen, N. M., Philipps, L., Wilkins, R. J. and Scholefield, D. 1988. Fertiliser strategies to reduce leaching loss from grazed grass. Research Meeting No 1, British Grassland Society (BGS), September 1988, Session II, Paper 3.