Comparaison des aspects economiques des engrais classiques et des engrais nouveaux
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| Format: | Texto biblioteca |
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1971
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| Subjects: | FAO ECE, FERTILIZER APPLICATION, COST BENEFIT ANALYSIS, FERTILIZERS, ECONOMIC SITUATION, EUROPE, AGRICULTURAL ECONOMICS, FERTILISATION, ANALYSE COUT AVANTAGE, ENGRAIS, SITUATION ECONOMIQUE, APLICACION DE ABONOS, ANALISIS DE COSTOS Y BENEFICIOS, ABONOS, SITUACION ECONOMICA, ECONOMIE AGRICOLE, EUROPA, ECONOMIA AGRICOLA, |
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