Midwest Farmers Using Cover Crops Take Small Yield Hit
Most farm fields in the U.S. Midwest lay bare over the winter. From the time of corn and soybean harvests—sometime between September and December—until the planting season in spring, valuable topsoil is often unprotected. Wind, snowmelt, and rain can remove topsoil and nutrients from fields and carry them into the Mississippi River, where, instead of ...
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