Consolidated review of trial and demonstration results, 1961/62 - 1965/66.
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| Format: | Texto biblioteca |
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1969
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| Subjects: | FFHC, FERTILIZERS, EXTENSION ACTIVITIES, TRIAL METHODS, YIELDS, PROFIT, VARIETIES, ENGRAIS, VULGARISATION, ABONOS, EXTENSION, METHODE D'ESSAI, RENDEMENT, BENEFICE, VARIETE, METODOS DE ENSAYO, RENDIMIENTO, GANANCIAS, VARIEDADES, |
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