TY - GEN AU - CARDOSO, Irene Maria AU - ED - Wageningen University TI - Phosphorus in agroforestery systems : a contribution to sustainable agriculture in the Zona da Mata of Minas Gerais, Brazil SN - 90-5808-746-8 CY - Wageningen KW - AGROFORESTERIE KW - SYSTEME D'EXPLOITATION AGRICOLE KW - DURABILITE KW - BRESIL KW - Agronomie N1 - Thèse de Doctorat ER -