La tecnologâia utilizada por los productores agricolas identificados como campesinos avanzados Auteur(s) : Arriaga, Selvin Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
The role of on-farm research in technology generation Auteur(s) : Waugh, Robert K | Partager |
Women in agriculture in the developing world Auteur(s) : Gearing, Jean Reboussin, Dan Spring, Anita University of Florida -- Women in Agriculture Program | Partager |
The process of on-farm trial design : : The Honduran experience of 1978 Auteur(s) : Galt, Daniel L. Farming Systems Support Project. | Partager |
Association of Farming Systems Research-Extension newsletter ; AFSRE newsletter Auteur(s) : Association of Farming Systems Research-Extension | Partager |
Association of Farming Systems Research-Extension newsletter ; AFSRE newsletter Auteur(s) : Association of Farming Systems Research-Extension | Partager |
Trip report Auteur(s) : McDermott, J. K ( James Kenneth ), 1922- | Partager |
Sondeo de Chimaltenango Auteur(s) : Gamboa Paniagua, Ricardo Instituto de Ciencia y TecnologiÌa AgriÌcolas (Guatemala) | Partager |
El Sondeo Auteur(s) : Hildebrand, Peter E Ruano Andrade, Sergio Rolando Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
Association of Farming Systems Research-Extension newsletter ; AFSRE newsletter Auteur(s) : Association of Farming Systems Research-Extension | Partager |
Association of Farming Systems Research-Extension newsletter ; AFSRE newsletter Auteur(s) : Association of Farming Systems Research-Extension | Partager |
Sondeo de Zacapa Auteur(s) : Guatemala -- Direcciâon General de Servicios Agrâicolas Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
Condiciones agro-socioeconâomicas de una zona maicera-horticola de Guatemala Auteur(s) : Chinchilla, Marâia Estela Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |