Affiliation: | 1.Amazon Environment and Soil Research Group (GPSAA), Federal University of Amazonas (UFAM), Manaus, Amazonas, Brazil ;2.Amazon Environment and Soil Research Group (GPSAA), Center of Agricultural Sciences, Federal University of Paraíba (CCA/UFPB), Areia, Paraíba, Brazil ;3.Department of Agronomy, Federal University of Roraima (UFRR), Boa Vista, Roraima, Brazil ;4.Soil Characterization for Specific Management Research Group (CSME), Faculty of Agrarian and Veterinary Sciences, Paulista State University (FCAV/UNESP), Jaboticabal, S?o Paulo, Brazil ;5.Department of Soils and Rural Engineering, Agricultural Sciences Center, Federal University of Paraíba (DSER/CCA/UFPB), Areia, Paraíba, Brazil ;6.Federal Institute of Rond?nia (IFRO), Ariquemes, Rond?nia, Brazil ; |