In the days when combating hunger by raising agricultural productivity was the sole mission of the Future Harvest centers of the Consultative Group on International Agricultural Research (CGIAR), they had a clear strategy for spreading technical innovations. International crop breeding programs developed improved varieties of the major cereals, working in tandem with national research programs across the developing world. Together with appropriate crop management practices, these varieties were disseminated on a huge scale, particularly in more uniform and favorable environments, mainly through national agricultural extension systems.
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