[Report on crop husbandry activities in the local Farmers' and Smallholders' Unions 1985]

agronomic characters analyse de sol asociaciones de agricultores association d'agriculteurs azote control de enfermedades control de malezas crops cultivar cultivars cultivos disease control engrais experimentation experimentos experiments farmers associations fertilizers growth inhibitors inhibidores del crecimiento lutte anti-mauvaise herbe nitrogen plant production plante de culture precipitation rendement rendimiento retardateur de croissance soil testing soil treatment traitement du sol tratamiento del suelo weed control yields