Crop Variety Improvement and Its Effect on Productivity: The Impact of International Agricultural Research

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Robert E. Evenson, Douglas Gollin
CABI, 2003 - Technology & Engineering - 522 pages
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This volume reports on the productivity impacts of varietal improvement research conducted at a number of international centres affiliated with the Consultative Group on International Agricultural Research. Such centres have been at the forefront of a 40-year effort to breed new varieties of the world's staple food crops. The volume is the main product of a study initiated and supported by the Impact Assessment and Evaluation Group (now Standing Panel on Impact Assessment) of the CGIAR. Descriptive data and econometric models are used to evaluate the impact of research on eleven crops and in three country case studies (Brazil, China and India).

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