Back to profile Projects - dr. GW (Gerard) Korthals Projects by GW Korthals Potential risks of M. minor for arable farming The goal of this project is to estimate the possible risk of M. Minor by determination of host suitability and damage thresholds of certain arable... To develop measures and techniques to improve soil health The agriculture and horticulture develop to more complex business systems. Alternative control methods for chemical soil disinfection On sandy soils plays the problems of HERINPLANTZIEKTE, without soil fumigation replanting of trees seems not profitable.