Farmer Field Schools and IPM [integrated pest management] in rice: a study of how these schools function in Nepal

agriculteur agricultores agricultural development application rates arrozales comportamiento humano comportement humain dosage effects dose d'application extension extension activities fao farmers ferme pilote fincas experimentales human behaviour insecte nuisible integrated pest management nepal on-farm research oryza papel de la mujer participation pest insects pesticide pesticides pilot farms plaguicidas programme de formation rice fields role of women training programmes variedades de alto rendimiento vulgarisation