FAO fertilizer programme in East Africa
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| Format: | Texto biblioteca |
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1971
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| Subjects: | AGL FFHC FP, EXTENSION ACTIVITIES, FERTILIZERS, TRIAL METHODS, SOIL MANAGEMENT, PLANT PRODUCTION, VULGARISATION, ENGRAIS, EXTENSION, ABONOS, METHODE D'ESSAI, GESTION DU SOL, PRODUCTION VEGETALE, METODOS DE ENSAYO, MANEJO DEL SUELO, PRODUCCION VEGETAL, |
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