Summary of economic returns of fertilizer in African countries (in the FAO fertilizer programme)
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| Format: | Texto biblioteca |
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1970
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| Subjects: | AGL SFFU, MARGINAL UTILITY, FERTILIZERS, COST BENEFIT ANALYSIS, YIELDS, SOIL MANAGEMENT, AGRICULTURAL ECONOMICS, AFRICA, UTILITE MARGINALE, ENGRAIS, ANALYSE COUT AVANTAGE, UTILIDAD MARGINAL, ABONOS, ANALISIS DE COSTOS Y BENEFICIOS, RENDEMENT, GESTION DU SOL, ECONOMIE AGRICOLE, AFRIQUE, RENDIMIENTO, MANEJO DEL SUELO, ECONOMIA AGRICOLA, |
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