TY - BK ED - Simposio Internacional CIMMYT-Purdue, 2 TI - Maiz de alta calidad proteinica U1 - 633.153 PY - 1977/// CY - Mexico, DF (Mexico) PB - Limusa, KW - Animal feeding KW - Breeding KW - AGROVOC KW - Crop yield KW - Feeding systems KW - Grain crops KW - Nutrient improvement KW - Nutritional requirements KW - Nutritive value KW - Protein quality KW - Varieties KW - Zea mays KW - Hybrids KW - Plant breeding ER -