TY - BOOK AU - Duivenbooden, N Van. TI - Efficient soil water use: the key to sustainable crop production in the dry areas of west Asia, and North and Sub-Saharan Africa : proceeding SN - 9290664003 U1 - 333.91 PY - 1999/// CY - Andhra Pradesh, India PB - International Crops Research Institute for the Semi-Arid Tropics. KW - Agua KW - Utilización KW - Evapotranspiración KW - Irrigación KW - Regiones áridas ER -