Modification and renovation of old canal systems
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| Format: | Texto biblioteca |
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1973
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| Subjects: | FAO UNDP, FARM INCOME, IRRIGATED LAND, CANALS, COST BENEFIT ANALYSIS, WATER REQUIREMENTS, FARMS, IRRIGATION SYSTEMS, YIELDS, REVENU DE L'EXPLOITATION, TERRE IRRIGUEE, CANAL, ANALYSE COUT AVANTAGE, BESOIN EN EAU, EXPLOITATION AGRICOLE, RESEAU D'IRRIGATION, RENTA DE LA EXPLOTACION, REGADIO, CANALES, ANALISIS DE COSTOS Y BENEFICIOS, NECESIDADES DE AGUA, EXPLOTACIONES AGRARIAS, SISTEMAS DE RIEGO, RENDEMENT, RENDIMIENTO, |
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