(British Tropical Agriculture Mission in Bolivia. Third general report: Compendium of results, Jan 1976 - Jun 1981, on technical assistance for cattle, cotton and sugar cane production and crop protection)

bovin bovin laitier cattle control de plagas coton cotton dairy cattle development projects escarda extension extension activities feed crops ganado bovino ganado de leche lutte antiravageur pastizales pastures pest control plantas forrajeras production proyectos de desarrollo sugarcane vulgarisation weed control