A5052769410- Soil and Water Nutrient Dynamics
- Phosphorus and nutrient management
- Soil Carbon and Nitrogen Dynamics
- Aquatic Ecosystems and Phytoplankton Dynamics
- Crop Yield and Soil Fertility
- Groundwater and Isotope Geochemistry
- Soil erosion and sediment transport
- Environmental Conservation and Management
- Environmental and Industrial Safety
- Energy, Environment, Agriculture Analysis
- Plant nutrient uptake and metabolism
- Chemical Synthesis and Characterization
KU Leuven
2014-2020
Hôpital Universitaire Dupuytren
2016
Environmental Earth Sciences
2015
The phosphate quality standards in the lowland rivers of Flanders (northern Belgium) are exceeded over 80% sampling sites. factors affecting molybdate reactive P (MRP) these waters were analyzed using data past decade (>200 000 observations). average MRP concentration summer exceeds that winter by factor 3. This seasonal trend is opposite to dissolved oxygen (DO) and nitrate concentrations. negative correlations between DO marked (r = -0.89). concentrations geographically unrelated erosion...
Summary Most soil tests for available phosphorus (P) perform rather poorly in predicting crop response. This study was set up to compare different established their capacity predict response across contrasting types of soil. Soil samples from long‐term field experiments, the oldest >100 years old, were collected five European countries. The total number ( n = 218), which differed cropping and P treatment, originated 11 types, analysed with tests: ammonium oxalate (Ox), lactate (AL), Olsen...
Abstract This study was set up to identify the role of phosphorus (P) desorption rate in P diffusion and bioavailability soil. The kinetics were measured with a zero‐sink method soil suspensions (0–77 days) for soils that either had or not been mined glasshouse study. fitted by serial two‐pool model, discriminating fast desorbing pool (Q 1 ) half‐lives 3–8 days, slowly 2 ), which replenishes 100‐fold larger than pool. Phosphate smaller slower after mining compared original samples reduced Q...
Summary The reduced use of phosphorus (P) fertilizer in fertile soil has reverted the P balance to negative some regions. It is unclear how long current stocks will ensure adequate supply crops. In addition, it unknown if tests for available describe bioavailable adequately where becoming depleted. We set up an accelerated mining test address these questions. Perennial ryegrass ( Lolium perenne , Melpetra tetra) was grown 2 years a greenhouse on 5‐cm‐deep layers eight contrasting soils with...
A variety of tests for available soil phosphorus (P) is used worldwide, each with a historical and local background. The test ranging from intensity based ones, indicating P solubility to quantity i.e. near complete total extraction. study was set up identify the most suitable in fully comparative way by using same soils contrasting fields on tests. requirement this find response trials which various fertilizer responses are only related varying doses. Soil samples (n=254) were collected...