Institution: | 1.Farming Systems Ecology, Wageningen University, P.O. Box 430, 6700 AK, Wageningen, The Netherlands ;2.Forest and Nature Conservation Policy, Wageningen University, P.O. Box 47, 6700 AA, Wageningen, The Netherlands ;3.Department of Soil Science, Federal University of Vi?osa, Vi?osa, Minas Gerais, 36570900, Brazil ; |