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Peru: improved water and land use in the Sierra
Wilkinson, John L. - 1984
Persistent link: https://www.econbiz.de/10003487054
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Alternative sources of irrigation and land use patterns
Chopra, Kanchan - 1982
Persistent link: https://www.econbiz.de/10003514324
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A soil and water conservation project in two sites in Somalia : 17 years later
McCarthy, John W. (contributor) - 1985
Persistent link: https://www.econbiz.de/10014299745
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Irrigation agriculture in the Southwest United States : regional variation of crop patterns
Birle, Siegfried - 1976
Persistent link: https://www.econbiz.de/10013339367
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World soil charter
1982
Persistent link: https://www.econbiz.de/10014390080
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Tillage systems for soil and water conservation
Unger, Paul W. - 1984
Persistent link: https://www.econbiz.de/10013382799
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Soil and water conservation in semi-arid areas
Hudson, Norman - 1987
Persistent link: https://www.econbiz.de/10013382811
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African agriculture : the next 25 years
1986
Persistent link: https://www.econbiz.de/10000713571
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Soil survey investigations for irrigation
1986 - [Repr.]
Persistent link: https://www.econbiz.de/10000020436