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Subjects
Agricultural Technology and technological change, Agricultural policy, Approvisionnement, Approvisionnement rural, Arid regions, Aridity and arid regions, Conservation, Eau, Resource management, Soil conservation, Soils and soil erosion, Sols, Technique, Water and water use, Water conservation, Water-supply engineering, Water-supply, RuralID Numbers
- OLID: OL3459952A
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April 30, 2008 | Created by an anonymous user | initial import |