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Directory of organization and field activities of the Department of Agriculture
USA / Department of Agriculture - Washington, DC : US Gov.Print.Off. - 1950(1949) - 1962 nachgewiesen
Persistent link: https://www.econbiz.de/10000349703
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Miscellaneous publication / United States Department of Agriculture, Bureau of Plant Industry
USA / Department of Agriculture; USA / Bureau of Plant … - Washington, DC : Gov.Print.Off. - 1.1927 -
Persistent link: https://www.econbiz.de/10000359913
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Report on the agricultural experiment stations
USA / Department of Agriculture - Washington, DC : US Gov.Print.Off. - 1925(1926) - 1955(1956)
Persistent link: https://www.econbiz.de/10014526758
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Agricultural prices, expenditures, farm employment, and wages
Barnard, Charles H. (contributor);  … - 1990 - [2. rev.]
Persistent link: https://www.econbiz.de/10000742933
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Agricultural production and efficiency
Barnard, Charles H. (contributor);  … - 1989
Persistent link: https://www.econbiz.de/10000742934
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Costs of production
Barnard, Charles H. (contributor);  … - 1987
Persistent link: https://www.econbiz.de/10000742944
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Atlas of American agriculture : physical basis including land relief, climate, soils, and natural vegetation of the United States
Baker, O. E. (contributor) - 1936
Persistent link: https://www.econbiz.de/10000620706
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Science in farming
1947
Persistent link: https://www.econbiz.de/10000620809