Development of sustainable agricultural production systems in Africa. Roles of international agricultural research centers and national agricultural research systems
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Format: | Texto biblioteca |
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Ibadan (Nigeria) IITA
1991
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Subjects: | AGRICULTURAL DEVELOPMENT, FARMING SYSTEMS, RESEARCH INSTITUTIONS, DEVELOPPEMENT AGRICOLE, SYSTEME D'EXPLOITATION AGRICOLE, DESARROLLO AGRICOLA, SISTEMAS DE EXPLOTACION, INSTITUTION DE RECHERCHE, INSTITUCIONES DE INVESTIGACION, |
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