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BSc-MSc Thesis and Internship Projects, Wageningen University

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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
 
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, itís currently being ...
Supervisor: Walter Schenkeveld, Mathilde Hagens
Department: Soil Chemistry and Chemical Soil Quality
 
Investigating the interactions between enhanced silicate weathering and growth of N-fixing crops
Weathering of silicate minerals stabilises climate on geologic time scales by consuming CO2. Artificially enhancing weathering rates by mining, crushing and spreading rocks containing silicate minerals has been suggested as a tool ...
Supervisor: dr. Mathilde Hagens (SOC), prof. dr. Ellis Hoffland (SBL)
Department: Soil Chemistry and Chemical Soil Quality
 
Investigating the effect of pH on the determination of permanganate-oxidisable carbon (POXC) using a manganese mass balance approach
Soil organic matter (SOM) is crucial for a healthy soil; yet, changes in SOM content due to e.g. different land management are generally slow. Active or easily degradable soil carbon is more responsive to such changes and also an  ...
Supervisor: dr. Mathilde Hagens (Soil Chemistry) and dr. Marie Zwetsloot or dr. Mirjam Pulleman (SBL)
Department: Soil Chemistry and Chemical Soil Quality
 
Predicting the effect of low molecular weight organic acids (LMWOAs) on micronutrient speciation in soils using multi-surface models.
Many plants exude low molecular weight organic acids (LMWOA) as a stress response under conditions of low (micro)nutrient availability. LMWOA are small molecules containing carboxylic acid functional groups and include compounds s ...
Supervisor: Walter Schenkeveld and Ellis Hoffland
Department: Soil Chemistry and Chemical Soil Quality
 
Understanding cadmium availability in tropical soils for sustainable cacao production
Understanding the behaviour of heavy metals in agricultural soils is crucial for food safety. The specific context for this study is the uptake of cadmium (Cd) by cacao from tropical soils. Recent EU food safety regulations lowere ...
Supervisor: Wietse Wiersma, Bert-Jan Groenenberg, in collaboration with Mirjam Pulleman (WUR Soil Biology; CIAT, Colombia)
Department: Soil Chemistry and Chemical Soil Quality
 
Photocatalyzed Fe acquisition from atmospheric dust in marine environments
Oceans have vast HNLC (High-Nutrient, Low-Chlorophyll) areas, where primary productivity is limited by iron (Fe) availability. In this way Fe bioavailability in the ocean affects the global carbon cycle by limiting how much carbo ...
Supervisor: Walter Schenkeveld and Naresh Kumar/Stephan Kraemer
Department: Soil Chemistry and Chemical Soil Quality
 
The effect of combining lime, Zn and organic amendment in reducing potato tuber cadmium
You will be involved in a collaborative project between Wageningen University and Teagasc, The Agriculture and Food Development Authority of Ireland. This project aims to unravel the mechanisms behind cadmium uptake by potato plan ...
Supervisor: Bert-Jan Groenenberg, Yuwei Qin, Sheila Alves (Teagasc)
Department: Soil Chemistry and Chemical Soil Quality
 
Silicate weathering and earthworms: understanding the mechanisms and conditions that enhance carbon sequestration
Enhanced Silicate Weathering (ESW) has emerged as a Negative Emission Technology (NET) due to its vast potential to increase long-term carbon sequestration. The weathering of silicates allows to remove carbon dioxide (CO2) from th ...
Supervisor: Mathilde Hagens, Tullia Calogiuri
Department: Soil Chemistry and Chemical Soil Quality
 
Elucidating the mechanisms and controls of enhanced silicate weathering in a bioreactor using reactive transport modelling
Weathering of silicate minerals stabilises climate on geologic time scales by consuming CO2. Artificially enhancing weathering rates by mining, crushing and spreading rocks containing silicate minerals has been suggested as a clim ...
Supervisor: Mathilde Hagens
Department: Soil Chemistry and Chemical Soil Quality
 
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