Physical and economic summary of trial and demonstration results, 1961/62 - 1964/65.
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Format: | Texto biblioteca |
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1967
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Subjects: | FFHC, FERTILIZERS, SOIL MANAGEMENT, TRIAL METHODS, EXTENSION ACTIVITIES, FERTILIZER APPLICATION, COST BENEFIT ANALYSIS, YIELDS, ENGRAIS, GESTION DU SOL, ABONOS, MANEJO DEL SUELO, METHODE D'ESSAI, VULGARISATION, FERTILISATION, ANALYSE COUT AVANTAGE, RENDEMENT, METODOS DE ENSAYO, EXTENSION, APLICACION DE ABONOS, ANALISIS DE COSTOS Y BENEFICIOS, RENDIMIENTO, |
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