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Energy and US agriculture : irrigation pumping, 1974 - 83
Sloggett, Gordon R. - 1985
Persistent link: https://www.econbiz.de/10000727197
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Proceedings of the .. annual scientific conference of the SADC Land and Water Management Research Programme
Südafrikanische Entwicklungsgemeinschaft - Gaborone - 3.1992(1993) - 4.1993 nachgewiesen
Persistent link: https://www.econbiz.de/10002645150
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Labour use and productivity and technological change in African smallholder agriculture : a case study of Uganda
Fafchamps, Marcel - 1984
Persistent link: https://www.econbiz.de/10000699797
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Labour use and productivity and technological change in African small holder agriculture : a case study of Zimbabwe
Swardt, Louis de - 1985
Persistent link: https://www.econbiz.de/10000699798
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Labour use and productivity and technological change in African smallholder agriculture : A case study of Sudan
Fafchamps, Marcel - 1985
Persistent link: https://www.econbiz.de/10014006256
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Situation and outlook report / Agricultural resources / Cropland, water and conservation
Washington, DC : US Gov.Print.Off.; teils: Washington, DC - 1986 -
Persistent link: https://www.econbiz.de/10000502825
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Institutional change, incentive effects, and choice of technology in Sudan's irrigated subsector : a model of the Rahad scheme
D'Silva, Brian C.; Hassan, Kamil I. - 1987 - Reprod
Persistent link: https://www.econbiz.de/10000881792