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BSc-MSc Thesis and Internship Projects, Wageningen University

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Puzzling organic matter fractions: Characterization of Hy and HON fractions
Organic matter plays a key role in multiple organo-geochemical processes both in the natural environment and organic waste systems (e.g. compost heaps or landfills). A key role of organic matter is that of a reactive surface to wh ...
Supervisor: Nick Quist
Department: Soil Chemistry and Chemical Soil Quality
 
Exploring organo-mineral associations in ripening sediments
Metal hydroxides and organic matter are vital reactive surfaces for geochemical processes in a wide variety of natural and anthropogenic environments. For example, these mineral and organic interfaces are capable of adsorbing cont ...
Supervisor: Maarten van Hoef
Department: Soil Chemistry and Chemical Soil Quality
 
Contribution of clay application to SOC stabilization in Dutch peat meadows
The ‘Klei in Veen’ (clay in peat) project researches if and how the addition and natural mixing of clay can reduce organic matter oxidation and CO2 emissions from peat meadows. This research started with lab experiments where redu ...
Supervisor: Mathilde Hagens (SOC); Thom van der Sluijs (LBI)
Department: Soil Chemistry and Chemical Soil Quality
 
Technological-critical Rare Earth Elements: Binding to iron-oxide nanoparticles
Introduction Rare earth elements (REE) are increasingly applied in modern society. Industries use REE in many high-technology devices, such as smart phones, digital cameras, fluorescent and light-emitting-diode (LED) lights, flat ...
Supervisor: Bert-Jan Groenenberg
Department: Soil Chemistry and Chemical Soil Quality
 
Delayed functionality of siderophores as iron carrier? Displacement of competing metals by iron from metal-siderophore complexes
Iron (Fe) is an essential micronutrient for plants and most microorganisms. Because the bioavailability of Fe in the external environment is often limited due the poor solubility of Fe(hydr)oxide minerals, organisms have developed ...
Supervisor: Walter Schenkeveld
Department: Soil Chemistry and Chemical Soil Quality
 
Micronutrient acquisition in extreme environments: the sodic soils of the Neusiedler See (AT)
Sodic soils are extreme environments with very high pH values (> 9) and salt concentrations, creating a niche for organisms that can survive under such conditions. The availability of cationic micronutrients like Fe, Cu, Zn and Mn ...
Supervisor: Walter Schenkeveld
Department: Soil Chemistry and Chemical Soil Quality
 
Contaminant concentrations in landfill pore water: changes during stimulated degradation
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
 
Unravelling the composition of the hydrophilic acids SOM fraction
Natural organic matter is a key constituent of soils that plays a prominent role in generating the soil structure, the water holding capacity, the capacity to bind ions, etc. Soil organic matter (SOM) is very heterogeneous in natu ...
Supervisor: Walter Schenkeveld and Rob Comans
Department: Soil Chemistry and Chemical Soil Quality
 
The fate of the carcinogenic mineral erionite in New Zealand soils
Interested in studying the occurrence and environmental fate of a carcinogenic mineral in New Zealand? This project involving laboratory work at the University of Auckland may be for you! Background: Erionite is a naturally occ ...
Supervisor: Walter Schenkeveld (WUR) and Melanie Kah (University of Auckland)
Department: Soil Chemistry and Chemical Soil Quality
 
Synergies in plant nutrient acquisition: Can plant species with different nutrient acquisition strategies synergistically enhance the bioavailability of essential nutrients?
To realize a more sustainable agriculture practice, there is an immanent need to reduce fertilizer application and to more efficiently utilize nutrient reserves present in soils. Plants have different strategies for acquiring n ...
Supervisor: Walter Schenkeveld, Marie Zwetsloot
Department: Soil Chemistry and Chemical Soil Quality
 
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