Alison Carswell

NameAlison Carswell
Job titleSpecialist in GHG Emissions and Air Quality
Email addressalison.carswell@rothamsted.ac.uk
DepartmentNet Zero and Resilient Farming
Research clusterSAS-NW: Atmospheric Emissions and Mitigation
ORCIDhttps://orcid.org/0000-0003-0580-6698
Preferred citationCarswell, A. M.
OfficeNorth Wyke

Research outputs

Effects of hotter, drier conditions on gaseous losses from nitrogen fertilisers

Drame, M., Carswell, A. M., Roberts, W., Hood, J., Jemo, M., Heuer, S., Kirk, G., Pawlett, M. and Misselbrook, T. H. 2023. Effects of hotter, drier conditions on gaseous losses from nitrogen fertilisers. Journal of Environmental Management. 345, p. 118671. https://doi.org/10.1016/j.jenvman.2023.118671

Water chemistry of combined surface and subsurface runoff from the North Wyke Farm Platform, with hydrologically isolated catchments sown with different pasture types.

Granger, S. J., Quincke, J. A., Carswell, A. M., Olde, L., Darch, T., Peukert, S., Horrocks, C. A., Dixon, E. R., Collins, A. L., Blackwell, M. S. A., Murray, P. J., Dungait, J. A. J. and Harris, P. 2023. Water chemistry of combined surface and subsurface runoff from the North Wyke Farm Platform, with hydrologically isolated catchments sown with different pasture types. Rothamsted Research. https://doi.org/10.23637/rothamsted.98v27

Liming and nitrification inhibitor affects crop N uptake efficiency and N loss through changing soil N processes

Guo, B., Zheng, X., Yu, J., Ding, H., Luo, S., Carswell, A. M., Misselbrook, T. H., Zhang, J., Muller, C., Shen, J. and Zhang, Y. 2022. Liming and nitrification inhibitor affects crop N uptake efficiency and N loss through changing soil N processes. Biology And Fertility Of Soils. 58, p. 949–959. https://doi.org/10.1007/s00374-022-01674-5

Progress on improving agricultural nitrogen use efficiency: UK-China virtual joint centers on nitrogen agronomy

Misselbrook, T. H., Bai, Z., Cai, Z., Cao, W., Carswell, A. M., Cowan, N., Cui, Z., Chadwick, D. R., Emmett, B., Goulding, K. W. T., Jiang, R., Jones, D. L., Ju, X., Liu, H., Lu, Y., Ma, L., Powlson, D. S., Rees, R. M., Skiba, U., Smith, P., Sylvester-Bradley, R., Williams, J., Wu, L., Xu, M., Xu, W., Zhang, F., Zhang, J., Zhou, J. and Liu, X. 2022. Progress on improving agricultural nitrogen use efficiency: UK-China virtual joint centers on nitrogen agronomy. Frontiers of Agricultural Science and Engineering - FASE. 9 (3), pp. 475-489. https://doi.org/10.15302/J-FASE-2022459

Co-amelioration of red soil acidity and fertility with pig manure rather than liming

Cai, Z., Yang, C., Carswell, A. M., Zhang, L., Wen, S. and Xu, M. 2022. Co-amelioration of red soil acidity and fertility with pig manure rather than liming. Soil Use and Management. 39 (1), pp. 441-455. https://doi.org/10.1111/sum.12846

Combining targeted grass traits with red clover improves grassland performance and reduces need for nitrogen fertilisation

Carswell, A. M., Sanchez-Rodriguez, A. F., Saunders, K. S., Le Cocq, K., Shaw, R., Cotton, J., Zhang, Y., Evans, J., Chadwick, D. R., Jones, D. L. and Misselbrook, T. H. 2022. Combining targeted grass traits with red clover improves grassland performance and reduces need for nitrogen fertilisation. European Journal of Agronomy. 133, p. 126433. https://doi.org/10.1016/j.eja.2021.126433

Soil temperature and bacterial diversity regulate the impact of irrigation and fertilization practices on ecosystem respiration

Fan, Y. Q., Hao, X. M., Carswell, A. M., Misselbrook, T. H., Ding, R. S., Li, S. and Kang, S. Z. 2021. Soil temperature and bacterial diversity regulate the impact of irrigation and fertilization practices on ecosystem respiration. Agronomy Journal. 113 (3), pp. 2361-2373. https://doi.org/10.1002/agj2.20613

Agricultural soils: A sink or source of methane across the British Isles?

Cowan, N. J., Maire, J., Krol, D., Cloy, J. M, Hargreaves, P. R., Murphy, R., Carswell, A. M., Jones, S. K., Hinton, N, Anderson, M, Famulari, D., Bell, M. J., Stack, P., Levy, P., Skiba, U. and Drewer, J. 2020. Agricultural soils: A sink or source of methane across the British Isles? European Journal of Soil Science. 2020, pp. 1-21. https://doi.org/10.1111/ejss.13075

Changes in soil organic carbon status and microbial community structure following biogas slurry application in a wheat-rice rotation

Tang, Y., Luo, L., Carswell, A. M., Misselbrook, T. H., Shen, J. and Han, J. 2021. Changes in soil organic carbon status and microbial community structure following biogas slurry application in a wheat-rice rotation. Science of the Total Environment. 757 (article), p. 143786. https://doi.org/10.1016/j.scitotenv.2020.143786

Inorganic nitrogen fertilizer and high N application rate promote N2O emission and suppress CH4 uptake in a rotational vegetable system

Carswell, A. M., Fan, Y., Misselbrook, T. H., Hao, X., Ding, R., Li, S. and Kang, S 2021. Inorganic nitrogen fertilizer and high N application rate promote N2O emission and suppress CH4 uptake in a rotational vegetable system. Soil & Tillage Research. 206 (February), p. 104848. https://doi.org/10.1016/j.still.2020.104848

Striking a balance between N sources: Mitigating soil acidification and accumulation of phosphorous and heavy metals from manure

Cai, Z., Wang, B., Zhang, L., Wen, S., Xu, M., Misselbrook, T. H., Carswell, A. M. and Gao, S. 2021. Striking a balance between N sources: Mitigating soil acidification and accumulation of phosphorous and heavy metals from manure. Science of the Total Environment. 754 (1 February), p. 142189. https://doi.org/10.1016/j.scitotenv.2020.142189

Fate and transfer of heavy metals following repeated biogas slurry application in a rice-wheat crop rotation

Tang, Y., Wang, L., Carswell, A. M., Misselbrook, T. H., Shen, J. and Han, J. 2020. Fate and transfer of heavy metals following repeated biogas slurry application in a rice-wheat crop rotation. Journal of Environmental Management. 270, p. 110938. https://doi.org/10.1016/j.jenvman.2020.110938

Decarboxylation of organic anions to alleviate acidification of red soils from urea application

Cai, Z., Zhang, L., Yang, Y., Wang, B., Wen, S., Misselbrook, T. H., Carswell, A. M., Duan, Y. and Gao, S. 2020. Decarboxylation of organic anions to alleviate acidification of red soils from urea application. Journal of Soils and Sediments. https://doi.org/10.1007/s11368-020-02630-2

The amount, but not the proportion, of N2 fixation and transfers to neighboring plants varies across grassland soils

Zhang, Y., Carswell, A. M., Jiang, R., Cardenas, L. M., Chen, D. and Misselbrook, T. H. 2020. The amount, but not the proportion, of N2 fixation and transfers to neighboring plants varies across grassland soils. Soil Science and Plant Nutrition. 66 (3), pp. 481-488. https://doi.org/10.1080/00380768.2020.1742075

Modelling long-term impacts of fertilization and liming on soil acidification at Rothamsted experimental station

Xu, D., Carswell, A. M., Zhu, Q., Zhang, F. and De Vries, W. 2020. Modelling long-term impacts of fertilization and liming on soil acidification at Rothamsted experimental station. Science of the Total Environment. 713 (15 April), p. 136249. https://doi.org/10.1016/j.scitotenv.2019.136249

Effects of urease and nitrification inhibitors on soil N, nitrifier abundance and activity in a sandy loam soil

Fu, Q., Abadie, M., Blaud, A., Carswell, A. M., Misselbrook, T. H., Clark, I. M. and Hirsch, P. R. 2019. Effects of urease and nitrification inhibitors on soil N, nitrifier abundance and activity in a sandy loam soil . Biology And Fertility Of Soils. pp. 1-10. https://doi.org/10.1007/s00374-019-01411-5

Mechanisms behind the inhibition of autotrophic nitrification following rice-straw incorporation in a subtropical acid soil

Zhang, Y., Zheng, X., Guo, B., Yu, J., Carswell, A. M., Misselbrook, T. H., Zhang, J., Muller, C., Chen, D. and Ding, H. 2019. Mechanisms behind the inhibition of autotrophic nitrification following rice-straw incorporation in a subtropical acid soil. Soil & Tillage Research. 196, p. 104436. https://doi.org/10.1016/j.still.2019.104436

Impact of transition from permanent pasture to new swards on the nitrogen use efficiency, nitrogen and carbon budgets of beef and sheep production

Carswell, A. M., Gongadze, K., Misselbrook, T. H. and Wu, L. 2019. Impact of transition from permanent pasture to new swards on the nitrogen use efficiency, nitrogen and carbon budgets of beef and sheep production. Agriculture, Ecosystems & Environment. 283 (1 November), p. 106572. https://doi.org/10.1016/j.agee.2019.106572

Application of Bayesian statistics to estimate nitrous oxide emission factors of three nitrogen fertilisers on UK grasslands

Cowan, N., Levy, P., Drewer, J., Carswell, A. M., Shaw, R., Simmons, I., Bache, C., Marinheiro, J., Brichet, J., Sanchez-Rodriguez, A. R., Cotton, J., Hill, P.W., Chadwick, D. R., Jones, D. L., Misselbrook, T. H. and Skiba, U. 2019. Application of Bayesian statistics to estimate nitrous oxide emission factors of three nitrogen fertilisers on UK grasslands. Environment International. 128, pp. 362-370. https://doi.org/10.1016/j.envint.2019.04.054

Responses of carbon, nitrogen and phosphorus to two consecutive drying–rewetting cycles in soils

Pezzola, D., Cardenas, L. M., Mian, I. A., Carswell, A. M., Donovan, N., Dhanoa, D. and Blackwell, M. S. A. 2019. Responses of carbon, nitrogen and phosphorus to two consecutive drying–rewetting cycles in soils. Journal of Plant Nutrition and Soil Science. 182 (2), pp. 217-228. https://doi.org/10.1002/jpln.201800082

Assessing the benefits and wider costs of different N fertilisers for grassland agriculture

Carswell, A. M., Shaw, R., Hunt, J., Sanchez-Rodriguez, A. R., Saunders, K. S., Cotton, J., Hill, P. W., Chadwick, D. R., Jones, D. L. and Misselbrook, T. H. 2018. Assessing the benefits and wider costs of different N fertilisers for grassland agriculture . Archives of Agronomy and Soil Science. 65 (5), pp. 625 - 639. https://doi.org/10.1080/03650340.2018.1519251

Land-use type affects nitrate production and consumption pathways in subtropical acidic soils

Zhang, Y., Ding, H., Zheng, X., Ren, X., Cardenas, L. M., Carswell, A. M. and Misselbrook, T. H. 2019. Land-use type affects nitrate production and consumption pathways in subtropical acidic soils. Geoderma. 337 (1), pp. 22-31. https://doi.org/10.1016/j.geoderma.2018.09.012

Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures

Lloyd, C. E. M., Johnes, P. J., Freer, J. E., Carswell, A. M., Jones, J. I., Stirling, M. W., Hodgkinson, R. A., Richmond, C. and Collins, A. L. 2019. Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures. Science of the Total Environment. 648, pp. 1179-1200. https://doi.org/10.1016/j.scitotenv.2018.08.190

Advanced processing of food waste based digestate for mitigating nitrogen losses in a winter wheat crop

Sanchez-Rodriguez, A. R., Carswell, A. M., Shaw, R., Hunt, J., Saunders, K. S., Cotton, J., Chadwick, D. R., Jones, D. and Misselbrook, T. H. 2018. Advanced processing of food waste based digestate for mitigating nitrogen losses in a winter wheat crop. Frontiers in Sustainable Food Systems. https://doi.org/10.3389/fsufs.2018.00035

Soil N transformation mechanisms can effectively conserve N in soil under saturated conditions compared to unsaturated conditions in subtropical China

Zhang, Y., Ding, H., Zheng, X., Cai, Z., Misselbrook, T. H., Carswell, A. M., Muller, C. and Zhang, J. 2018. Soil N transformation mechanisms can effectively conserve N in soil under saturated conditions compared to unsaturated conditions in subtropical China. Biology And Fertility Of Soils. 54 (4), pp. 495-507. https://doi.org/10.1007/s00374-018-1276-7

Land-use type affects N2O production pathways in subtropical acidic soils

Zhang, Y., Ding, H., Zheng, X., Ren, X., Cardenas, L. M., Carswell, A. M. and Misselbrook, T. H. 2018. Land-use type affects N2O production pathways in subtropical acidic soils. Environmental Pollution. 237, pp. 237-243. https://doi.org/10.1016/j.envpol.2018.02.045

Impact of microbial activity on the leaching of soluble N forms in soil

Carswell, A. M., Hill, P. W., Jones, D. L., Blackwell, M. S. A., Johnes, P. J., Dixon, E. R. and Chadwick, D. R. 2018. Impact of microbial activity on the leaching of soluble N forms in soil. Biology And Fertility Of Soils. 54 (1), pp. 21-25. https://doi.org/10.1007/s00374-017-1250-9

Short-term biotic removal of dissolved organic nitrogen( DON) compounds from soil solution and subsequent mineralisation in contrasting grassland soils

Carswell, A. M., Hill, P. W., Jones, D. L., Blackwell, M. S. A., Johnes, P. and Chadwick, D. R. 2016. Short-term biotic removal of dissolved organic nitrogen( DON) compounds from soil solution and subsequent mineralisation in contrasting grassland soils. Soil Biology and Biochemistry. 96, pp. 82-85. https://doi.org/10.1016/j.soilbio.2016.01.017

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

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

Variations in concentrations of N and P forms in leachates from dried soils rewetted at different rates

Blackwell, M. S. A., Carswell, A. M. and Bol, R. 2013. Variations in concentrations of N and P forms in leachates from dried soils rewetted at different rates. Biology And Fertility Of Soils. 49, pp. 79-87. https://doi.org/10.1007/s00374-012-0700-7

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