Sarah Dunham

Name	Sarah Dunham
Job title	Scientific Specialist - Soil & Nutrition Science
Email address	sarah.dunham@rothamsted.ac.uk
Department	Sustainable Soils and Crops
Research cluster	SAS-H: Agronomy and Nutrient Flows
ORCID	https://orcid.org/0000-0003-4701-199X
Preferred citation	Dunham, S. J.
Office	Harpenden

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Research outputs

Impact of Basalt Rock Powder on Ryegrass Growth and Nutrition on Sandy and Loamy Acid Soils

Desmalles, C., Jordan-Meille, L., Hernandez, J. M. B., Thomas, C. L., Dunham, S. J., Deng, F., McGrath, S. P. and Haefele, S. M. 2025. Impact of Basalt Rock Powder on Ryegrass Growth and Nutrition on Sandy and Loamy Acid Soils. Agronomy. 15 (8), p. 1791. https://doi.org/10.3390/agronomy15081791

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

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

Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers

Acquah, G., Hernandez-Allica, J., Thomas, C. L., Dunham, S. J., Towett, E. K., Drake, L. B., Shepherd, K. D., McGrath, S. P. and Haefele, S. M. 2022. Portable X-ray fluorescence (pXRF) calibration for analysis of nutrient concentrations and trace element contaminants in fertilisers. PLOS ONE. 17 (1), p. e0262460. https://doi.org/10.1371/journal.pone.0262460

The effect of soil properties on zinc lability and solubility in soils of Ethiopia – an isotopic dilution study

Mossa, A-W., Gashu, D., Broadley, M. R., Dunham, S. J., McGrath, S. P., Bailey, E. H. and Young, S. D. 2021. The effect of soil properties on zinc lability and solubility in soils of Ethiopia – an isotopic dilution study. Soil. 7, pp. 255-268. https://doi.org/10.5194/soil-7-255-2021

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

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

A comparison of soil texture measurements using mid-infrared spectroscopy (MIRS) and laser diffraction analysis (LDA) in diverse soils

Thomas, C. L., Hernandez, J. M. B., Dunham, S. J., McGrath, S. P. and Haefele, S. M. 2021. A comparison of soil texture measurements using mid-infrared spectroscopy (MIRS) and laser diffraction analysis (LDA) in diverse soils. Scientific Reports. 11 (1), p. 16. https://doi.org/10.1038/s41598-020-79618-y

Wet chemistry data for a subset of AfSIS: Phase I archived soil samples, World Agroforestry - Research Data Repository

Vagen,T-G., Winowiecki, L-A., Desta, L., Tondoh, J., Weullow, E., Shepherd, K., Sila, A., Dunham, S. J., Hernandez, J. M. B., Carter, J. and McGrath, S. P. 2021. Wet chemistry data for a subset of AfSIS: Phase I archived soil samples, World Agroforestry - Research Data Repository. https://doi.org/10.34725/DVN/66BFOB

Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia

Milne, A. E., Gashu, D., Lark, R. M., Ameded, T., Bailey, E. H., Chagumaira, C., Dunham, S. J., Gameda, S., Kumssa, D. B., Mossa, A. W., Walsh, M. G., Wilson, L., Young, S. D., Ander, E. L., Joy, M. R. B. ., McGrath, S. P. and Broadley, M. 2020. Spatial prediction of the concentration of selenium (Se) in grain across part of Amhara Region, Ethiopia. Science of the Total Environment. 733, p. 139231. https://doi.org/10.1016/j.scitotenv.2020.139231

Simulation of Phosphorus Chemistry, Uptake and Utilisation by Winter Wheat

Wu, L., Blackwell, M. S. A., Dunham, S. J., Hernandez, J. M. B. and McGrath, S. P. 2019. Simulation of Phosphorus Chemistry, Uptake and Utilisation by Winter Wheat. Plants - Basel. 8 (10), p. 404. https://doi.org/10.3390/plants8100404

Optimising sulphur management to maximise oilseed rape yields and farm profitability (OPTI-S): Project Report No. 595

Saggo, E., Berry, P., Munro, D, Williams, J.R., McGrath, S. P. and Dunham, S. J. 2018. Optimising sulphur management to maximise oilseed rape yields and farm profitability (OPTI-S): Project Report No. 595. Kenilworth HGCA/AHDB, Stoneleigh.

Changes in wheat root morphology under different phosphorus fertiliser supply rates

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

Accumulation, distribution and speciation of arsenic in wheat grain

Zhao, F-J., Stroud, J. L., Eagling, T., Dunham, S. J., McGrath, S. P. and Shewry, P. R. 2010. Accumulation, distribution and speciation of arsenic in wheat grain. Environmental Science & Technology. 44 (14), pp. 5464-5468. https://doi.org/10.1021/es100765g

Variation in mineral micronutrient concentrations in grain of wheat lines of diverse origin

Zhao, F-J., Su, Y. H., Dunham, S. J., Rakszegi, M., Bedo, Z., McGrath, S. P. and Shewry, P. R. 2009. Variation in mineral micronutrient concentrations in grain of wheat lines of diverse origin. Journal of Cereal Science. 49, pp. 290-295. https://doi.org/10.1016/j.jcs.2008.11.007

Evidence of decreasing mineral density in wheat grain over the last 160 years

Fan, M-S., Zhao, F-J., Fairweather-Tait, S. J., Poulton, P. R., Dunham, S. J. and McGrath, S. P. 2008. Evidence of decreasing mineral density in wheat grain over the last 160 years. Journal Of Trace Elements In Medicine And Biology. 22, pp. 315-324. https://doi.org/10.1016/j.jtemb.2008.07.002

Cadmium uptake, translocation and tolerance in the hyperaccumulator Arabidopsis halleri

Zhao, F-J., Jiang, R. F., Dunham, S. J. and McGrath, S. P. 2006. Cadmium uptake, translocation and tolerance in the hyperaccumulator Arabidopsis halleri. New Phytologist. 172 (4), pp. 646-654. https://doi.org/10.1111/j.1469-8137.2006.01867.x

Field evaluation of Cd and Zn phytoextraction potential by the hyperaccumulators Thlaspi caerulescens and Arabidopsis halleri

McGrath, S. P., Lombi, E., Gray, C. W., Caille, N., Dunham, S. J. and Zhao, F-J. 2006. Field evaluation of Cd and Zn phytoextraction potential by the hyperaccumulators Thlaspi caerulescens and Arabidopsis halleri. Environmental Pollution. 141 (1), pp. 115-125. https://doi.org/10.1016/j.envpol.2005.08.022

Field evaluation of in situ remediation of a heavy metal contaminated soil using lime and red-mud

Gray, C. W., Dunham, S. J., Dennis, P. G., Zhao, F-J. and McGrath, S. P. 2006. Field evaluation of in situ remediation of a heavy metal contaminated soil using lime and red-mud. Environmental Pollution. 142 (3), pp. 530-539. https://doi.org/10.1016/j.envpol.2005.10.017

Does cadmium hyperaccumulation protect Thlaspi caerulescens and Arabidopsis halleri from leaf feeding damage by thrips (Frankliniella occidentalis P.)?

Jiang, R. F., Ma, D. Y., Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2005. Does cadmium hyperaccumulation protect Thlaspi caerulescens and Arabidopsis halleri from leaf feeding damage by thrips (Frankliniella occidentalis P.)? Li, C. J. (ed.) Plant Nutrition for Food Security, Human Health and Environmental Protection. Proceedings 15th International Plant Nutrition Colloquium, Beijing, 14-19 September 2005 . Tsinghua University Press, Beijing. pp. 632-633

Genetic analysis of cadmium and zinc hyperaccumulation in the hyperaccumulator Thlaspi caerulescens

Zhao, F-J., Dunham, S. J., Orhant, M., McGrath, S. P., Jiang, R. F., Zha, H-G. and Schat, H. 2005. Genetic analysis of cadmium and zinc hyperaccumulation in the hyperaccumulator Thlaspi caerulescens. Li, C. J. (ed.) Plant Nutrition for Food Security, Human Health and Environmental Protection. Proceedings 15th International Plant Nutrition Colloquium, Beijing, 14-19 September 2005 . Tsinghua University Press, Beijing. pp. 632-633

In-situ remediation of a heavy metal polluted soil using red mud

Zhao, F-J., McGrath, S. P., Dennis, P. G., Dunham, S. J. and Gray, C. W. 2005. In-situ remediation of a heavy metal polluted soil using red mud. Proceedings 8th International Conference on the Biogeochemistry of Trace Elements, Adelaide, 3-7 April 2005 .

In-situ remediation of a heavy metal polluted soil using red mud

Zhao, F-J., McGrath, S. P., Dennis, P. G. and Dunham, S. J. 2004. In-situ remediation of a heavy metal polluted soil using red mud. Abstracts Eurosoil 2004, Freiburg, 4-12 September 2004 .

Arsenic hyperaccumulation by different fern species: mechanisms and phytoremediation potential

Zhao, F-J., Dunham, S. J., Wang, J. R. and McGrath, S. P. 2003. Arsenic hyperaccumulation by different fern species: mechanisms and phytoremediation potential. Proceedings 7th International Conference on the Biogeochemistry of Trace Elements, Uppsala, 15-19 June 2003 . pp. 216-217

Arsenic hyperaccumulation by different fern species

Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2002. Arsenic hyperaccumulation by different fern species. New Phytologist. 156 (1), pp. 27-31. https://doi.org/10.1046/j.1469-8137.2002.00493.x

Hyperaccumulation of cadmium and zinc: physiological background and phytoextraction potential

Lombi, E., Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2002. Hyperaccumulation of cadmium and zinc: physiological background and phytoextraction potential. Proceedings 17th World Congress on Soil Science, Bangkok, 14-21 August 2002 . pp. 1335

Trace metal leaching through a soil-grassland system after sewage sludge application

Keller, C., McGrath, S. P. and Dunham, S. J. 2002. Trace metal leaching through a soil-grassland system after sewage sludge application. Journal of Environmental Quality. 31, pp. 1550-1560.

Cadmium accumulation in populations of Thlaspi caerulescens and Thlaspi goesingense

Lombi, E., Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2000. Cadmium accumulation in populations of Thlaspi caerulescens and Thlaspi goesingense. New Phytologist. 145 (1), pp. 11-20. https://doi.org/10.1046/j.1469-8137.2000.00560.x

Phytoremedation of heavy metal-contaminated soils: natural hyperaccumulation versus chemically enhanced phytoextraction

Lombi, E., Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2001. Phytoremedation of heavy metal-contaminated soils: natural hyperaccumulation versus chemically enhanced phytoextraction. Journal of Environmental Quality. 30 (6), pp. 1919-1926. https://doi.org/10.2134/jeq2001.1919

Long-term changes in the extractability and bioavailability of zinc and cadmium after sludge application

McGrath, S. P., Zhao, F-J., Dunham, S. J., Crosland, A. R. and Coleman, K. 2000. Long-term changes in the extractability and bioavailability of zinc and cadmium after sludge application. Journal of Environmental Quality. 29 (3), pp. 875-883. https://doi.org/10.2134/jeq2000.00472425002900030025x

Phytoremediation of metal contaminated soils: natural hyperaccumulation versus chemically-enhanced phytoextraction

Lombi, E., Zhao, F-J., Dunham, S. J. and McGrath, S. P. 2000. Phytoremediation of metal contaminated soils: natural hyperaccumulation versus chemically-enhanced phytoextraction. Abstracts British Society of Soil Science Conference Eurosoil 2000, Reading, 4-6 September 2000 .

Potential for phytoextraction of zinc and cadmium from soils using hyperaccumulator plants

McGrath, S. P., Dunham, S. J. and Correll, R. L. 2000. Potential for phytoextraction of zinc and cadmium from soils using hyperaccumulator plants. in: Terry, N. and Banuelos, G. (ed.) Phytoremediation of contaminated soil and water Lewis Publishers, Boca Raton, Florida. pp. 109-128

Factors affecting the solubility of zinc, cadmium, copper and nickel in sewage sludge amended soils

Zhao, F-J., McGrath, S. P. and Dunham, S. J. 1999. Factors affecting the solubility of zinc, cadmium, copper and nickel in sewage sludge amended soils. Proceedings 5th International Conference on the Biogeochemistry of Trace Elements, Vienna, 1999 . pp. 270-271

Constraints to the growth and metal uptake by hyperaccumulator plants

McGrath, S. P., Zhao, F-J. and Dunham, S. J. 1999. Constraints to the growth and metal uptake by hyperaccumulator plants. Proceedings 5th International Conference on the Biogeochemistry of Trace Elements, Vienna, 1999 . pp. 10-11

An extracting science

McGrath, S. P., Dunham, S. J. and Atkin, R. K. 1998. An extracting science. Chemistry & Industry. 22 (22), pp. 915-918.

Lessons to be learned about soil-plant metal transfers from the 50-year sewage sludge experiment at Woburn, UK

Zhao, F-J., Dunham, S. J. and McGrath, S. P. 1997. Lessons to be learned about soil-plant metal transfers from the 50-year sewage sludge experiment at Woburn, UK. Extended Abstracts 4th International Conference on the Biogeochemistry of Trace Elements, Berkeley, 23-26 June 1997 . pp. 693-694

Potential phytoextraction of zinc and cadmium of soils using hyperaccumulator plants

McGrath, S. P. and Dunham, S. J. 1997. Potential phytoextraction of zinc and cadmium of soils using hyperaccumulator plants. Extended Abstracts 4th International Conference on the Biogeochemistry of Trace Elements, Berkeley, 23-26 June 1997 . pp. 625-626

Four years growth of hyperaccumulator plants on metal polluted soils

McGrath, S. P., Dunham, S. J., Sidoli, C. M. D. and Lodico, F. 1996. Four years growth of hyperaccumulator plants on metal polluted soils. Extended Abstracts 1st International Conference on Contaminants and the Soil Environment, Adelaide, February 1996 . pp. 323