Corn and soybean yields have increased dramatically since 2000, according to a new study from South Dakota State University's department of agronomy, horticulture and plant science. In South Dakota, Iowa, Minnesota and Nebraska, corn yields are increasing at more than two bushels per acre per year, and soybean yields are increasing more than one-half bushel per acre per year.
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The increased adoption of soil health practices — like reduced tillage — has boosted soil organic matter, creating a positive feedback loop that improves soil water storage and contributes to annual yield increases in corn and soybean systems.
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