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Long-term chemical losses of phosphorus fertilizer
Goal: Improve our understanding of long-term chemical losses of P fertilizer
Background and why: Phosphate is one of the most important nutrients for crop growth. However, phosphate reacts strongly with various soil particles w ...
Supervisor: Hendrik Holwerda (PhD student) and Gerwin Koopmans
Department: Soil Chemistry and Chemical Soil Quality |
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Help us to improve efficient P fertilization!
Goal: Acquire a better understanding of the effect of soil physical properties on phosphorus uptake.
Why: Assessing soil P availability for crop growth is currently purely based upon the chemical P availability of soil. This i ...
Supervisor: Hendrik Holwerda (PhD student) and Gerwin Koopmans
Department: Soil Chemistry and Chemical Soil Quality |
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Long-term trends in leachate contaminant concentrations of bioreactor landfills
Landfills pose a large threat to the human health & environment (HHE), both through gaseous emissions and through the release of contaminant-rich leachate to the underlying soil. Traditionally landfills are sealed to restrict thes ...
Supervisor: Frank van Raffe; Nick Quist
Department: Soil Chemistry and Chemical Soil Quality |
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Effect of pH on organic matter concentrations and humic substance fractions
Nutrient and contaminant availability in soil systems is for a large part determined by their adsorption to reactive surfaces, i.e. clay, metal (hydr)oxides, and organic matter (OM). The “reactive†OM fraction is commonly oper ...
Supervisor: Nick Quist; Frank van Raffe
Department: Soil Chemistry and Chemical Soil Quality |
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Selective removal of Cd from agricultural soils using chelating ligands
Contamination of agricultural soils with heavy metals is a global concern that threatens food safety and public health, as well as the livelihood of farmers. Heavy metal uptake from soil by crop plants and subsequent translocation ...
Supervisor: Walter Schenkeveld, Wietse Wiersma and Bert-Jan Groenenberg
Department: Soil Chemistry and Chemical Soil Quality |
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The effect of naturally occurring ligands on the weathering rate of stone meal
The application of stone meal (rock dust) in natural and agroecosystems has recently received a lot of attention for its great potential to concurrently improve soil quality and sequester carbon. For instance, it’s currently being ...
Supervisor: Walter Schenkeveld, Mathilde Hagens
Department: Soil Chemistry and Chemical Soil Quality |
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