Changes of chemical properties in an oxisol after clearing of native Cerrado vegetation for agricultural use in Vilhena, Rondonia State, Brazil - Carvalho, J L N; Cerri, C E P; Cerri, Carlos Clemente; Feigl, Brigitte Josefine; Piccolo, Marisa de Cassia; Godinho, V P; Herpin, U (Soil & Tillage Research, 2007)