Water, water everywhere - but can we use it?
Diagrs., graphs, illus., tables. Includes bibliographies. Summaries (En)
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| Main Authors: | , |
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| Format: | Texto biblioteca |
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Silver Spring, Md. (USA) Irrigation Association
1979
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| Subjects: | IRRIGATION, WATER USE, WATER CONSERVATION, IRRIGATION SYSTEMS, WASTEWATER IRRIGATION, SEWERAGE, UTILISATION DE L'EAU, RIEGO, USO DEL AGUA, CONSERVATION DE L'EAU, RESEAU D'IRRIGATION, EPANDAGE DES EAUX USEES, EVACUATION DES EAUX USEES, CONSERVACION DE AGUAS, SISTEMAS DE RIEGO, RIEGO CON AGUAS RESIDUALES, EVACUACION DE AGUAS RESIDUALES, |
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| Summary: | Diagrs., graphs, illus., tables. Includes bibliographies. Summaries (En) |
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