![]() | Intensifying maize-based cropping systems in the Sierra de Santa Marta, Veracruz Auteur(s) : Buckles, Daniel, 1955- Erenstein, Olaf International Maize and Wheat Improvement Center | Partager |
![]() | Registros econâomicos de producciâon Auteur(s) : Cardona O., Jorge Alfredo Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
![]() | Manual de transporte de productos tropicales / ; Tropical products transport handbook Auteur(s) : McGregor, Brian M United States -- Dept. of Agriculture. -- Office of Transportation | Partager |
![]() | Generating technology for traditional farmers Auteur(s) : Hildebrand, Peter E Instituto de Ciencia y TecnologiÌa AgriÌcolas (Guatemala) | Partager |
![]() | Motivating small farmers to accept change Auteur(s) : Hildebrand, Peter E. Instituto de Ciencia y Tecnologia Agricolas | Partager |
![]() | Registros econâomicos de producciâon en maâiz-frâijol-haba, trigo de primera y de segunda Auteur(s) : Samayoa G., Essaâu J Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |
![]() | Caribbean Food Crops Society newsletter ; Newsletter Auteur(s) : Caribbean Food Crops Society | Partager |
![]() | Registros econâomicos de producciâon de maâiz, frâijol, arroz y maâiz - sorgo Auteur(s) : Cardona O., Jorge Alfredo Instituto de Ciencia y Tecnologâia Agrâicolas (Guatemala) | Partager |