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Maria Ernfors

Maria Ernfors
Researcer in Cropping Systems Ecology, with a focus on soil, greenhouse gas emissions, carbon and nitrogen


I take an interest in carbon and nitrogen cycling in cropping systems, with a focus on how management and systems design influence greenhouse gas emissions, nitrogen dynamics and soil carbon sequestration.


I am responsible for the courses ”BI1220, Sustainable soil management in agroecosystems” and “BI1272, Crop production – soil and plants”, both part of the Agriculture and rural management program. My teaching is related to cropping systems, soil science and climate change.



  • MSc in Agriculture, specialising in Soil and Plant Science, Swedish University of Agricultural Sciences, 2001
  • PhD in Natural Science, specialising in Environmental Science, University of Gothenburg, 2009


I supervise BSc and MSc students mainly within the Agriculture and rural management program, the Agroecology program and the Horticultural programs.

Selected publications

Hydbom, S., Ernfors, M., Birgander, J., Hollander, J., Jensen, E.S., Olsson, P.A. 2017.Reduced tillage stimulated symbiotic fungi and microbial saprotrophs, but did not lead to a shift in the saprotrophic microorganism community structure. Applied Soil Ecology 119, 104-114. Doi:10.1016/j.apsoil.2017.05.032.

Cahalan, E., Ernfors, M., Müller, C., Devaney, D., Laughlin, R.J., Watson, C.J., Hennessy, D., Khalil, M.I., McGeough, K.L., Richards, K.G. 2015. The effect of the nitrification inhibitor dicyandiamide (DCD) on nitrous oxide and methane emissions after cattle slurry application to Irish grassland. Agriculture, Ecosystems and Environment, 199, 339-349. Doi:10.1016/j.agee.2014.09.008.

Ernfors, M., Brennan, F.P., Richards, K.G., McGeough, K.L., Griffiths, B.S., Laughlin, R.J., Watson, C.J., Philippot, L., Grant, J., Minet, E.P., Moynihan, E., Müller, C. 2014. The nitrification inhibitor dicyandiamide increases mineralization-immobilization turnover in slurry-amended grassland soil. Journal of Agricultural Science, 152, 137-149. Doi:10.1017/S0021859613000907.

McGeough, K.L., Müller, C.,Laughlin, R.J., Watson, C.J.,Ernfors, M., Cahalan, E., Richards, K.G. 2014. The effect of dicyandiamide addition to cattle slurry on soil gross N transformations at a grassland site in Northern Ireland. Journal of Agricultural Science 152, 125-136. Doi:10.1017/S0021859613000762.

Ernfors, M., Rütting, T., Klemedtsson, L. 2011. Increased nitrous oxide emissions from a drained organic forest soil after exclusion of ectomycorrhizal mycelia. Plant and Soil 343, 161-170. Doi:10.1007/s11104-010-0667-9.

Publications list: