Hybrid maize breeding and seed production. Part 5, seed production.
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| Format: | Texto biblioteca |
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1958
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| Subjects: | MAIZE, SEED PRODUCTION, SEED TREATMENT, ECONOMIC DISTRIBUTION, HYBRIDS, SEEDS, SEED CERTIFICATION, ECONOMIC POLICIES, AGRICULTURAL and RURAL LEGISLATION, MAIS, PRODUCTION DE SEMENCES, MAIZ, PRODUCCION DE SEMILLAS, TRAITEMENT DES SEMENCES, DISTRIBUTION ECONOMIQUE, HYBRIDE, GRAINE, CERTIFICATION DES SEMENCES, POLITIQUE ECONOMIQUE, DROIT AGRICOLE ET RURAL, TRATAMIENTO DE SEMILLAS, DISTRIBUCION ECONOMICA, HIBRIDOS, SEMILLA, CERTIFICACION DE SEMILLAS, POLITICA ECONOMICA, LEGISLACION AGRARIA, |
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