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Development of the agricultural advisory services in Europe since 1950
1954
Persistent link: https://www.econbiz.de/10000628989
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Two blades of grass. A history of scientific development in the U. S. Department of Agriculture
Harding, Thomas Swann - 1947
Persistent link: https://www.econbiz.de/10000582295
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Agricultural advisory services in European Countries
1950
Persistent link: https://www.econbiz.de/10000612682
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Agriculture information bulletin : AIB
USA / Department of Agriculture; USA / Agricultural … - Washington, DC - Nr. 30.1951 -
Persistent link: https://www.econbiz.de/10000355937
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Innovative agricultural extension for women : a case study in Cameroon
Walker, S. T. - 1990
Persistent link: https://www.econbiz.de/10000131371
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Two blades of grass : research for US agriculture
Evenson, Robert E. - 1992
Persistent link: https://www.econbiz.de/10000135862
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Agriculture extension service in North West Frontier Province
Siddiqi, Abdul Jameel - 1973
Persistent link: https://www.econbiz.de/10000330372
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FAO Agricultural services bulletin
FAO - Rome : FAO - Nr. 1.1968 - 164.2007[?]
Persistent link: https://www.econbiz.de/10000360033
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Der Förderungsdienst : Fachzeitschrift für Agrarwirtschaft, Ernährung und Ökologie
Österreich / Bundesministerium für Land- und …; … - Wien : Bundesministerium für Land- und Forstwirtschaft; … - 1.1953 - 48.2000
Persistent link: https://www.econbiz.de/10000361805
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A century of productivity change in U.S. agriculture : an analysis of the role of invention, research and extension
Evenson, Robert E. - 1978
Persistent link: https://www.econbiz.de/10000674147