Stubble over the soil : the vital role of plant residue in soil management to improve soil quality - Crovetto Lamarca, Carlos 1933- (Madison, WI : American Society of Agronomy, 1996)
Keywords: CERO LABRANZA -- CONCEPCION (CHILE); LABRANZA -- CONCEPCION (CHILE); RESIDUOS DE COSECHAS -- CONCEPCION (CHILE); CALIDAD DE LOS SUELOS -- CONCEPCION (CHILE)