TY  - BK
TI  - Guia para la asistencia tecnica agricola:  Area de influencia de los campos agricolas experimentales Valle del Yaqui y Valle del Mayo
U1  - 630.72 
PY  - 1977///
CY  - Mexico, DF (Mexico)
PB  - SARH. Campo Agricola Experimental Valle del Yaqui, 
KW  - Alluvial soils
KW  - Cicer arietinum
KW  - Cotton
KW  - Cultivation
KW  - AGROVOC
KW  - Feed crops
KW  - Fertilizer application
KW  - Food crops
KW  - Harrowing
KW  - Harvesting
KW  - Irrigated farming
KW  - Irrigation
KW  - Medicago sativa
KW  - Pests
KW  - Plant diseases
KW  - Sonora
KW  - Sorghums
KW  - Soybeans
KW  - Spring crops
KW  - Technical aid
KW  - Varieties
KW  - Winter crops
KW  - Triticum aestivum
KW  - Zea mays
KW  - Soil fertility
KW  - Tillage
ER  -