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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
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Agricultural demonstration and extension communication
Krishan, Ram - 1965
Persistent link: https://www.econbiz.de/10000675247
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Research, education and extension in agriculture. An Agricultural Adjustment Unit Symposium
Ashton, John (ed.); Lord, R. F. (ed.) - 1969
Persistent link: https://www.econbiz.de/10000570175
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Linkages between agricultural research and extension : the situation in Pakistan
El-Zoobi, A. - In: Training for agriculture and rural development (1986/87), pp. 113-121
Persistent link: https://www.econbiz.de/10003713909
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Persistence pays : U.S. agricultural productivity growth and the benefits from public R&D spending
Alston, Julian Mark; Andersen, Matthew A.; James, … - 2010
Persistent link: https://www.econbiz.de/10003834536
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Strengthening agricultural innovation capacity : are innovation brokers the answer?
Klerkx, Laurens; Hall, Andy; Leeuwis, Cees - 2009
Persistent link: https://www.econbiz.de/10003881987
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Untersuchungen zur Qualitätsbestimmung landwirtschaftlicher Fachberatung aus Kundenperspektive
Rüther, Christine - 2007
Persistent link: https://www.econbiz.de/10003485541
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Challenges of education and innovation : proceedings of the Fourth Green Week Scientific Conference
Labar, Kelly (contributor); Petrick, Martin (contributor);  … - 2010
Persistent link: https://www.econbiz.de/10008737468