Physical and economic summary of trial and demonstration results, 1961/62 - 1963/64.
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| Format: | Texto biblioteca |
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1966
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| Subjects: | FFHC, EXTENSION ACTIVITIES, FERTILIZER APPLICATION, FERTILIZERS, ACCOUNTING, TRIAL METHODS, SOIL MANAGEMENT, VULGARISATION, FERTILISATION, ENGRAIS, COMPTABILITE, EXTENSION, APLICACION DE ABONOS, ABONOS, CONTABILIDAD, METHODE D'ESSAI, GESTION DU SOL, METODOS DE ENSAYO, MANEJO DEL SUELO, |
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