[1] Flanders Research Institute for Agriculture, Fisheries and Food, Plant Sciences Unit, Burgemeester Van Gansberghelaan 109, Merelbeke,9820, Belgium
[2] KU Leuven, Department of Earth and Environmental Sciences, Division of Soil and Water Management, Kasteelpark Arenberg 20 bus 2459, Leuven,3001, Belgium
[3] Soil Service of Belgium, Willem de Croylaan 48, Heverlee,3001, Belgium
[4] KU Leuven, Department of Biosystems, Division of Crop Biotechnics, Willem de Croylaan 42, Heverlee,3001, Belgium
[5] Walloon center of Agricultural research, Rue du Bordia 4, Gembloux,5030, Belgium
[6] Department of Sustainable Agriculture Sciences, Rothamsted Research, West Common, Harpenden,AL5 2JQ, United Kingdom
[7] Ghent University, Faculty of Bioscience Engineering, Department of Plant Production, Coupure Links 653, Ghent,9000, Belgium