Seed systems in Sub-Saharan Africa. Issues and options
Summaries (En)
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Main Authors: | , |
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Format: | Texto biblioteca |
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Washington, DC (USA) World Bank
1994
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Subjects: | SEED, SEED PRODUCTION, QUALITY, SEED CERTIFICATION, VARIETIES, SUPPLY, EXTENSION ACTIVITIES, AGRICULTURAL POLICIES, SEMENCE, PRODUCTION DE SEMENCES, SEMILLAS, PRODUCCION DE SEMILLAS, QUALITE, CERTIFICATION DES SEMENCES, VARIETE, OFFRE, VULGARISATION, POLITIQUE AGRICOLE, CALIDAD, CERTIFICACION DE SEMILLAS, VARIEDADES, OFERTA, EXTENSION, POLITICA AGRICOLA, |
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