Departament of Soil Science of Temperate Ecosystems, Georg-August-Universität, Göttingen, Alemania.
L'Institut national de la recherche agronomique, Francia
Agrifood Agriculture Canadá
Institute of Soil Science, Hannover, Alemania
Institute of Soil Science, Hannover, Alemania
Department of Crop Sciences (Faculty of Agriculture) of the Georg-August University Goettingen, Alemania
School of Eartch Sciences, University of Bristol, Reino Unido