1 apr 2003 13:30
Onderdeel:
Wageningen Universiteit
Promotor:
prof.dr.ir. J. Bouma (Soil Inventarisation and Land Evaluation)
Co-Promotor:
dr. J.H.M. Wösten (Alterra), prof.dr.G. Várallyay (Research Institute for Soil Science and Agricultural Chemistry, Budapest, Hongarije