| Resumo: | This article studies the relationship between corn and sorghum improvement projects during the Green Revolution and their connection to environmental conditions in the mid-20th century. As a consequence of the droughts of the 1940s and 50s in northern and central Mexico, the yields of most crop varieties developed by the Office of Special Studies underperformed. Nevertheless, sorghum, an African crop that had proved successful in drought-prone regions of the United States, rapidly adapted to the climactic and agrological conditions of the Bajío, complementing the emerging animal feed and pig farming industries. Sorghum thus represented a binational solution to shared problems, as well as an essential feed product for the expansion of ranching, which aided the transition towards higher-protein diets in Mexico.
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