Social relations and seed transactions among small-scale maize farmers Auteur(s) : Badstue, Lone B | Partager |
Farmers' practices, production problems and research opportunities in barley production in the CalpulalpanApan Valley, Mexico Auteur(s) : Byerlee, Derek Harrington, Larry Marko, Paul | Partager |
Futuras fuentes de crecimiento de la productividad del trigo en la región del Bajío (Guanajuato, México) Auteur(s) : Aquino-Mercado, Pedro International Maize and Wheat Improvement Center | Partager |
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 |