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Magnus Simonsson

Magnus Simonsson


My research includes weathering of potassium and other base cations in agricultural and forest soil, since 2012 within the Formas 'strong research environment' QWARTS—Quantifying Weathering for Sustainable Forest Management.

I also run a project on the solubility and uptake of phosphorus from agricultural soil after liming, and I am involved in a couple of other projects on the binding and potential leaching of phosphorus in agricultural soils.


My teaching mainly involves soil mineralogy, weathering and soil chemistry in basic soil science courses at different educational programmes.

Selected publications

Papers in peer-reviewed journals 1998–2015

Simonsson, M. & Berggren, D. 1998a. Aluminium solubility related to secondary solid phases in upper B horizons with spodic characteristics. European Journal of Soil Science 49, 317–326 (21 citations in ISI).

Gustafsson, J.P., Lumsdon, D.G. & Simonsson, M. 1998. Aluminium solubility characteristics of spodic B horizons containing imogolite-type materials. Clay Minerals 33, 77–86.

Simonsson, M., Berggren, D. & Gustafsson, J.P. 1999. Solubility of aluminium and silica in spodic horizons as affected by air-drying and freezing. Soil Science Society of America Journal 63, 1116–1123 (10 citations in ISI).

Simonsson, M. 2000. Interactions of aluminium and fulvic acid in moderately acid solutions: Stoichiometry of the H+–Al3+ exchange. European Journal of Soil Science 51, 655–666.

Gustafsson, J.P., Berggren, D., Simonsson, M., Zysset,  M. & Mulder, J. 2001. Aluminium solubility mechanisms in moderately acid Bs horizons of podzolized soils. European Journal of Soil Science 52, 655–665 (25 citations in ISI).

Brandtberg, P.-O. & Simonsson, M. 2003. Aluminum chemistry in the O horizon changed by a shift in tree species composition. Biogeochemistry 63, 207–228.

Simonsson, M., Kaiser, K., Danielsson, R., Andreux, F. & Ranger, J. 2005. Estimating nitrate, dissolved organic carbon and DOC fractions in forest floor leachates using ultraviolet absorbance spectra and multivariate analysis. Geoderma 124, 157–168.

Andrist-Rangel, Y., Simonsson, M., Andersson, S., Öborn, I, & Hillier, S. 2006. Mineralogical budgeting of potassium in soil: a basis for understanding standard measures of reserve potassium. Journal of Plant Nutrition and Soil Scienc, 169, 1–11.

Andersson, A., Simonsson, M., Mattsson, L., Edwards, A.C. & Öborn, I. 2007. Response of soil exchangeable and crop potassium concentrations to variable fertiliser and cropping regimes in long-term field experiments on different soil types. Soil Use and Management 23, 10–19.

Simonsson, M., Andersson, S., Andrist-Rangel, Y., Hillier, S., Mattsson, L. & Öborn, I. 2007. Potassium release and fixation as a function of fertilizer application rate and soil parent material. Geoderma 140, 188–198.

Ulén, B., Johansson, G. & Simonsson, M. 2008a. Changes in nutrient leaching and groundwater quality during long-term studies of an arable field on the Swedish south-west coast. Hydrology Research 39, 63–77.

Ulén, B., Johansson, G. & Simonsson, M. 2008b. Leaching of nutrients and major ions from an arable field with an unfertilized fallow as infield buffer zone. Acta Agriculturae Scandinavica, Section B: Soil and Plant Science 58, 51–59.

Simonsson, M., Hillier, S. & Öborn, I. 2009. Changes in clay minerals and potassium fixation capacity as a result of release and fixation of potassium in long-term field experiments. Geoderma 151, 109–120.

Andrist-Rangel Y., Simonsson M., Öborn I. & Hillier S. 2013. Acid-extractable potassium in agricultural soils: Source minerals assessed by differential and quantitative X-ray diffraction. Journal of Plant Nutrition and Soil Science 176, 407–419.

Popular and educational science

Brandtberg, P.-O. & Simonsson, M. 2005. När markerna surna. Fakta Skog nr 15, 2005. Fakulteten för skogsvetenskap, SLU, Umeå.

Simonsson, M. 2006. Minskad eller ingen K-gödsling: funkar det? Invited talk at the agricultural extensionists’ conference Hushållningssällskapens Intensivrådgivarkonferens at Kolmården, 3 September 2006.

Eriksson, J., Dahlin, S., Nilsson, I. & Simonsson, M. 2011. Marklära. Studentlitteratur, Lund, 337 p.  

Simonsson, M., Kirchmann, H., Magid, J. and Kätterer, T. 2014. Can particulate organic matter reveal emerging changes in soil organic carbon? Soil Science Society of America Journal 78, 1279–1290.

Simonsson M., Bergholm J., Olsson B., von Brömssen C. and Öborn I. 2015. Estimating weathering rates using base cation budgets in a Norway spruce stand on podzolised soil: Analysis of fluxes and uncertainties. Forest Ecology and Management 340, 135–152.

Researcher at the Department of Soil and Environment; Soil chemistry
Telephone: +4618671272
Postal address:
Box 7014
750 07 Uppsala
Visiting address: Lennart Hjelms väg 9, Uppsala
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