Farmers' practices, production problems and research opportunities in barley production in the CalpulalpanApan Valley, Mexico Auteur(s) : Byerlee, Derek Harrington, Larry Marko, Paul | Partager |
Comparative advantage and policy incentives for wheat production in rainfed and irrigated areas of Mexico Auteur(s) : Byerlee, Derek Longmire, James | Partager |