15 documents satisfont la requête. Vérifiez les termes recherchés ou relancez la recherche sur le texte intégral
Maize in north Veracruz State, Mexico
Auteur(s) : Harrington, Larry CIMMYT Economics Program
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Recherche chez les paysans ; Caribbean farming systems and alternatives for development
Auteur(s) : Magloire, Eliassaint Yates, Michael James
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On-farm research methodologies at work
Auteur(s) : Yates, Michael Martínez, Juan Carlos International Maize and Wheat Improvement Center
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The adoption of new maize technology in Plan Puebla, Mexico
Auteur(s) : Winkelmann, Donald International Maize and Wheat Improvement Center
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Institutional innovations in national agricultural research
Auteur(s) : Martínez, Juan Carlos, 1956- Román Arauz, José
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Exercises in the economic analysis of agronomic data
Auteur(s) : Harrington, Larry Perrin, Richard K
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Breeding and selection for drought resistance in tropical maize
Auteur(s) : Fischer, K. S Johnson, E. C Edmeades, G. O International Maize and Wheat Improvement Center
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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
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The rate and sequence of adoption of improved cereal technologies
Auteur(s) : Byerlee, Derek Hesse de Polanco, Edith
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