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Impact of Mexican germplasm on Brazilian wheat cropping: an ex-post economic analysis
(CIMMYT, 2002)
This paper reviews and analyzes economic returns to wheat research in Brazil's main wheat-producing regions in Rio Grande do SuI and Paranci. Between 1975 and 1991, the area planted to wheat in Brazil increased significantly ...
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Linking global and local approaches to agricultural technology development: the role of participatory plant breeding research in the CGIAR
(CIMMYT, 2002)
This paper describes the current state of international plant breeding research and explains why centralized approach to germplasm improvement, so successful in the past, is being transformed by decentralized local breeding ...
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Social relations and seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico
(CIMMYT, 2002)
This paper explores social arrangements associated with seed transactions among smallscale maize farmers in the Central Valleys of Oaxaca, Mexico, a centre of crop genetic diversity. A formal seed distribution system has ...