Over the last five years, the North Central region of the U.S. has been responsible for 82 percent of the nation’s soybean harvest. Due to the region’s importance to soybean production for its various uses in feed, biodiesel and other widely used products, the North Central Soybean Research Program (NCSRP), through funding from the Soybean Checkoff Program, has sponsored on-farm surveys to farmers in the region to evaluate trends in farming practices and management systems. These responses have helped surveyors develop correlations between total annual yield numbers and particular crop management practices.
Iowa State University
Stoetzer, Ethan; Licht, Mark A.; and Mueller, Daren S., "What's behind Iowa's 2019 soybean yield gaps?" (2019). Integrated Crop Management News. 2542.
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