Irrigation technique in agriculture
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Format: | Texto biblioteca |
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1969
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Subjects: | MATHEMATICS, WATER SUPPLY, SLOPING LAND, IRRIGATION SYSTEMS, IRRIGATION METHODS, SOIL MANAGEMENT, USSR, MATHEMATIQUE, APPROVISIONNEMENT EN EAU, TERRE EN PENTE, RESEAU D'IRRIGATION, METHODE D'IRRIGATION, MATEMATICAS, ABASTECIMIENTO DE AGUA, TERRENO EN DECLIVE, SISTEMAS DE RIEGO, METODOS DE RIEGO, GESTION DU SOL, URSS, MANEJO DEL SUELO, |
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