TY - BOOK AU - Hoogmoed, Willem TI - Tillage for soil and water conservation in the semi-arid tropics T2 - Tropical Resource Management Papers U1 - 631.45 PY - 1999/// CY - Wageningen PB - Wageningen University and Research Centre KW - Agua KW - Conservacion KW - Labranza KW - Efecto en suelos KW - Suelos KW - Conservación ER -