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القيود الموجودة: 908 للبحث عن: "u.s.dept.of agriculture"

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• agricultural practices and water quality -- agricultural practices and water quality willrich,ted l., (ed.) smith,georg edward,1913-, (ed.) -- 1971,c970 --
• muckel,dean christner, 1907- -- replenishment of ground water supplies,by artificial means muckel,dean christner, 1907- -- 1959 --
• hydrological survey of iraq -- a report by harza engineering co.,... hydrological survey of iraq -- 1963 -- R
• hicks,john donald,1890 -- the populist revolt;a history of the farmer's alliance and the people's party hicks,john donald,1890 -- 1961 --
• thomas,frederick george,1901- -- the changing village;an essay on rural reconstruction thomas,frederick george,1901- -- 1943 --
• gee,wilson,1888- -- the social economics of agriculture gee,wilson,1888- -- 1954 --
• agricultural practices and water quality -- agricultural practices and water quality willrich,ted l., (ed.) smith,georg edward,1913-, (ed.) -- 1971,c970 --
• muckel,dean christner, 1907- -- replenishment of ground water supplies,by artificial means muckel,dean christner, 1907- -- 1959 --
• hydrological survey of iraq -- a report by harza engineering co.,... hydrological survey of iraq -- 1963 -- R
• Netting Robert Mcc. -- Smallholders,householders -- 1993 -- BOOK
• Woods William I. -- Late prehistoric agriculture:observations form the midwest -- 1992 -- BOOK
• Netting Robert Mcc. -- Smallholders,householders -- 1993 -- BOOK
• Woods William I. -- Late prehistoric agriculture:observations form the midwest -- 1992 -- BOOK
• -- Journal of the science of food and agriculture -- -- Per
• -- Mesopotamia journal of agriculture -- -- Per
• -- Journal d agriculture traditionelle et de botanique applique -- -- Per
• -- Journal d agriculture tropicale et de botanique appliquee -- -- Per
• -- Experimental agriculture -- -- Per
• -- California -- -- Per
• -- Bibliography of agriculture -- -- Per

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