Andy Gregory

NameAndy Gregory
Job titleSenior Scientific Specialist- Soil Science
Email addressandy.gregory@rothamsted.ac.uk
DepartmentSustainable Agriculture Sciences Harpenden
Research clusterSAS-H: Agronomy and Nutrient Flows
ORCIDhttps://orcid.org/0000-0001-7123-0784
Preferred citationGregory, A. S.
OfficeHarpenden

Research outputs

Editorial for soil organic matter 2019 special issue

Gregory, A. S. and Blagodatskaya, E. 2019. Editorial for soil organic matter 2019 special issue. European Journal of Soil Science. 70 (4), pp. 713-714.

Species and Genotype Effects of Bioenergy Crops on Root Production, Carbon and Nitrogen in Temperate Agricultural Soil

Gregory, A. S., Dungait, J. A. J., Shield, I. F., Macalpine, W. J., Cunniff, J., Durenkamp, M., White, R. P., Joynes, A. and Richter, G. M. 2018. Species and Genotype Effects of Bioenergy Crops on Root Production, Carbon and Nitrogen in Temperate Agricultural Soil. BioEnergy Research. 11 (2), pp. 382-397.

Effect of soil saturation on denitrification in a grassland soil

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.

Parametric estimation of water retention using Mgmdh method and principal component analysis

Neyshaburi, M. R., Bayat, H., Rastgou, M., Mohammadi, K., Gregory, A. S. and Nariman-Zadeh, N. 2016. Parametric estimation of water retention using Mgmdh method and principal component analysis. Polish journal of soil science. 49 (1), pp. 29-47.

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

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.

The unique contribution of Rothamsted to ecological research at large temporal scales

Storkey, J., Macdonald, A. J., Bell, J. R., Clark, I. M., Gregory, A. S., Hawkins, N. J., Hirsch, P. R., Todman, L. C. and Whitmore, A. P. 2016. The unique contribution of Rothamsted to ecological research at large temporal scales. in: Dumbrell, A. J., Kordas, R. L. and Woodward, G. (ed.) Advances in Ecological Research 55: Large-Scale Ecology: Model Systems to Global Perspectives Academic Press, Oxford. pp. 3-42

Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system

Gregory, A. S., Dungait, J. A. J., Watts, C. W., Bol, R., Dixon, E. R., White, R. P. and Whitmore, A. P. 2016. Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system. European Journal of Soil Science. 67 (4), pp. 421-430.

Soil water uptake from SRC willow simulated using the process-based model LUCASS

Richard, B., Cunniff, J., Cerasuolo, M., Barraclough, T. J. P., Gregory, A. S. and Richter, G. M. 2015. Soil water uptake from SRC willow simulated using the process-based model LUCASS. Biomass and Energy Crops V. Aspects of Applied Biology 131 . Association of Applied Biologists (AAB) Wellesbourne Warwick . pp. 251-255

Probing the basis of soil resilience

Corstanje, R., Deeks, L. R., Whitmore, A. P., Gregory, A. S. and Ritz, K. 2015. Probing the basis of soil resilience. Soil Use and Management. 31 (Suppl. 1), pp. 72-81.

A review of the impacts of degradation threats on soil properties in the UK

Gregory, A. S., Ritz, K., McGrath, S. P., Quinton, J. N., Goulding, K. W. T., Jones, R. J. A., Harris, J. A., Bol, R., Wallace, P., Pilgrim, E. S. and Whitmore, A. P. 2015. A review of the impacts of degradation threats on soil properties in the UK. Soil Use and Management. 31 (S1), pp. 1-15.

High yielding biomass genotypes of willow (Salix spp.) show differences in below ground biomass allocation

Cunniff, J., Purdy, S. J., Barraclough, T. J. P., Castle, M., Maddison, A. L., Jones, L. E., Shield, I. F., Gregory, A. S. and Karp, A. 2015. High yielding biomass genotypes of willow (Salix spp.) show differences in below ground biomass allocation. Biomass & Bioenergy. 80 (September), pp. 114-127.

Carbon sequestration by perennial energy crops: is the jury still out?

Agostini, F., Gregory, A. S. and Richter, G. M. 2015. Carbon sequestration by perennial energy crops: is the jury still out? BioEnergy Research. 8 (3), pp. 1057-1080.

Isotope fractionation factors controlling isotopocule signatures of soil-emitted N2O produced by denitrification processes of various rates

Lewicka-Szczebak, D., Well, R., Bol, R., Gregory, A. S., Matthews, G. P., Misselbrook, T. H., Whalley, W. R. and Cardenas, L. M. 2015. Isotope fractionation factors controlling isotopocule signatures of soil-emitted N2O produced by denitrification processes of various rates. Rapid Communications in Mass Spectrometry. 29 (3), pp. 269-282.

Investigating the relationship between unsaturated hydraulic conductivity curve and confined compression curve

Bayat, H., Sedaghat, A., Sinegani, A. A. S. and Gregory, A. S. 2015. Investigating the relationship between unsaturated hydraulic conductivity curve and confined compression curve. Journal of Hydrology. 522, pp. 353-368.

Ranking factors affecting emissions of GHG from incubated agricultural soils

Garcia-Marco, S., Ravella, S. R., Chadwick, D. R., Vallejo, A., Gregory, A. S. and Cardenas, L. M. 2014. Ranking factors affecting emissions of GHG from incubated agricultural soils. European Journal of Soil Science. 65 (4), pp. 573-583.

An assessment of subsoil organic carbon stocks in England and Wales

Gregory, A. S., Kirk, G. J. D., Keay, C. A., Rawlins, B. G., Wallace, P. and Whitmore, A. P. 2014. An assessment of subsoil organic carbon stocks in England and Wales. Soil Use and Management. 30 (1), pp. 10-22.

A dual-porous, inverse model of water retention to study biological and hydrological interactions in soil

Laudone, G. M., Matthews, G. P., Gregory, A. S., Bird, N. R. A. and Whalley, W. R. 2013. A dual-porous, inverse model of water retention to study biological and hydrological interactions in soil. European Journal of Soil Science. 64 (3), pp. 345-356.

Combination of artificial neural networks and fractal theory to predict soil water retention curve

Bayat, H., Neyshaburi, M. R., Mohammadi, K., Nariman-Zadeh, N., Irannejad, M. and Gregory, A. S. 2013. Combination of artificial neural networks and fractal theory to predict soil water retention curve. Computers and Electronics in Agriculture. 92, pp. 92-103.

The effect of agricultural land use on the nature and dynamics of subsoil

Gregory, A. S., Dungait, J. A. J., Dixon, E. R., Bol, R. and Whitmore, A. P. 2012. The effect of agricultural land use on the nature and dynamics of subsoil. Abstracts 4th International Congress Eurosoil, Bari, 2-6 July 2012 . pp. 387

Soil organic matter turnover is governed by accessibility not recalcitrance

Dungait, J. A. J., Hopkins, D. W., Gregory, A. S. and Whitmore, A. P. 2012. Soil organic matter turnover is governed by accessibility not recalcitrance. Global Change Biology. 18 (6), pp. 1781-1796.

Isotope fractionation factors controlling isotopologue signatures of soil-emitted N2O produced by denitrification processes of various rates

Lewicka-Szczebak, D., Well, R., Cardenas, L. M., Matthews, P., Misselbrook, T. H., Bol, R., Whalley, W. R. and Gregory, A. S. 2012. Isotope fractionation factors controlling isotopologue signatures of soil-emitted N2O produced by denitrification processes of various rates. Abstracts 6th International Symposium on Isotopomers, Washington, DC, 18-22 June 2012 . pp. 51

A dual porous model to predict the effects of soil structure on denitrification and N2O emission

Laudone, G. M., Matthews, G. P., Bird, N. R. A., Whalley, W. R., Cardenas, L. M. and Gregory, A. S. 2012. A dual porous model to predict the effects of soil structure on denitrification and N2O emission. Abstracts 4th International Congress Eurosoil 2012, Bari, 2-6 July 2012 .

An assessment of a new model of dynamic fragmentation of soil with test data

Gregory, A. S., Bird, N. R. A., Watts, C. W. and Whitmore, A. P. 2012. An assessment of a new model of dynamic fragmentation of soil with test data. Soil & Tillage Research. 120, pp. 61-68.

A model to predict the effects of soil structure on denitrification and N2O emission

Laudone, G. M., Matthews, G. P., Bird, N. R. A., Whalley, W. R., Cardenas, L. M. and Gregory, A. S. 2011. A model to predict the effects of soil structure on denitrification and N2O emission. Journal of Hydrology. 409, pp. 283-290.

Review of the evidence base for the status and change of soil carbon below 15cm from the soil surface in England and Wales (Report on Sub-project 3 of DEFRA Project SP1106)

Gregory, A. S., Whitmore, A. P., Kirk, G. J. D., Rawlins, B. G., Ritz, K. and Wallace, P. 2011. Review of the evidence base for the status and change of soil carbon below 15cm from the soil surface in England and Wales (Report on Sub-project 3 of DEFRA Project SP1106). Department for Environment, Food and Rural Affairs (DEFRA).

Use of the Taguchi methodology to rank the importance of factors affecting emissions of N2O from incubated agricultural soils

Cardenas, L. M., Garcia-Marco, S., Rao Ravella, S., Chadwick, D. R., Hobbs, P. J., Gregory, A. S. and Vallejo, A. 2011. Use of the Taguchi methodology to rank the importance of factors affecting emissions of N2O from incubated agricultural soils. European Geosciences Union (EGU).

Effect of soil saturation on denitrification in a grassland soil

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 .

Estimating soil strength in the rooting zone of wheat

Whitmore, A. P., Whalley, W. R., Bird, N. R. A., Watts, C. W. and Gregory, A. S. 2011. Estimating soil strength in the rooting zone of wheat. Plant and Soil. 339, pp. 363-375.

Measurement and simulation of the effect of compaction on the pore structure and saturated hydraulic conductivity of grassland and arable soil

Matthews, G. P., Laudone, G. M., Gregory, A. S., Bird, N. R. A., Matthews, A. G. De G. and Whalley, W. R. 2010. Measurement and simulation of the effect of compaction on the pore structure and saturated hydraulic conductivity of grassland and arable soil. Water Resources Research. 46, p. W05501 (13pp).

Estimating relative hydraulic conductivity from the water release characteristic of a shrinking clay soil

Gregory, A. S., Bird, N. R. A., Whalley, W. R. and Matthews, G. P. 2010. Estimating relative hydraulic conductivity from the water release characteristic of a shrinking clay soil. Soil Science Society of America Journal. 74, pp. 1113-1118.

Deformation and shrinkage effects on the soil water release characteristic

Gregory, A. S., Bird, N. R. A., Whalley, W. R., Matthews, G. P. and Young, I. M. 2010. Deformation and shrinkage effects on the soil water release characteristic. Soil Science Society of America Journal. 74, pp. 1104-1112.

A dual-porous, biophysical void structure model of soil for the understanding of the conditions causing nitrous oxide emission

Matthews, G. P., Laudone, G. M., Whalley, W. R., Bird, N. R. A., Gregory, A. S., Cardenas, L. M. and Misselbrook, T. H. 2010. A dual-porous, biophysical void structure model of soil for the understanding of the conditions causing nitrous oxide emission. European Geosciences Union (EGU).

Soil management and grass species effects on the hydraulic properties of shrinking soils

Gregory, A. S., Webster, C. P., Watts, C. W., Whalley, W. R., Macleod, C. J. A., Joynes, A., Papadopoulos, A., Haygarth, P. M., Binley, A., Humphreys, M. W., Turner, L. B., Skot, L. and Matthews, G. P. 2010. Soil management and grass species effects on the hydraulic properties of shrinking soils. Soil Science Society of America Journal. 74, pp. 753-761.

Linking plant biology and soil physics to understand hillslope hydrology

Macleod, C. J. A., Binley, A., Clark, L. J., Gregory, A. S., Hawkins, S. L., Humphreys, M., Joynes, A., Papdopoulos, A., Skot, L., Stone, A., Turner, L. B., Watts, C. W., Webster, C. P., Whalley, W. R. and Haygarth, P. M. 2009. Linking plant biology and soil physics to understand hillslope hydrology. Abstracts European Geophysical Union General Assembly, Vienna, 19-24 April 2009 .

Measurement and pore-level modelling of the production of nitrous oxide from soil

Matthews, G. P., Laudone, G. M., Whalley, W. R., Bird, N. R. A., Gregory, A. S., Cardenas, L. M. and Misselbrook, T. H. 2009. Measurement and pore-level modelling of the production of nitrous oxide from soil. Abstracts 2nd International Conference on Biohydrology 2009: a Changing Climate for Biology and Soil Hydrology Interactions, Bratislava, 21-24 September 2009 .

The effect of long-term soil management on the physical and biological resilience of a range of arable and grassland soils in England

Gregory, A. S., Watts, C. W., Griffiths, B. S., Hallett, P. D., Kuan, H. L. and Whitmore, A. P. 2009. The effect of long-term soil management on the physical and biological resilience of a range of arable and grassland soils in England. Geoderma. 153, pp. 172-185.

Functional resilience of soil microbial communities depends on both soil structure and microbial community composition

Griffiths, B. S., Hallett, P. D., Kuan, H. L., Gregory, A. S., Watts, C. W. and Whitmore, A. P. 2008. Functional resilience of soil microbial communities depends on both soil structure and microbial community composition. Biology And Fertility Of Soils. 44, pp. 745-754.

The effect of soil strength on yield of wheat

Whalley, W. R., Watts, C. W., Gregory, A. S., Mooney, S. J., Clark, L. J. and Whitmore, A. P. 2008. The effect of soil strength on yield of wheat. Plant and Soil. 306, pp. 237-247.

Physical resilience of soil to field compaction and the interactions with plant growth and microbial community structure

Gregory, A. S., Watts, C. W., Whalley, W. R., Kuan, H. L., Griffiths, B. S., Hallett, P. D. and Whitmore, A. P. 2007. Physical resilience of soil to field compaction and the interactions with plant growth and microbial community structure. European Journal of Soil Science. 58 (6), pp. 1221-1232.

Short-term soil development in a clay soil-forming material used as a landfill restoration cap: a case study

Gregory, A. S. and Vickers, A. W. 2007. Short-term soil development in a clay soil-forming material used as a landfill restoration cap: a case study. Land Contamination and Reclamation. 15, pp. 289-300.

The biological and physical stability and resilience of a selection of Scottish soils to stresses

Kuan, H. L., Hallett, P. D., Griffiths, B. S., Gregory, A. S., Watts, C. W. and Whitmore, A. P. 2007. The biological and physical stability and resilience of a selection of Scottish soils to stresses. European Journal of Soil Science. 58 (3), pp. 811-821.

Calculation of the compression index and precompression stress from soil compression test data

Gregory, A. S., Whalley, W. R., Watts, C. W., Bird, N. R. A., Hallett, P. D. and Whitmore, A. P. 2006. Calculation of the compression index and precompression stress from soil compression test data. Soil & Tillage Research. 89, pp. 45-57.

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