The team then calculated the yield of farms planting cover crops, and used machine learning to compare those fields to similar ones without. Almost all farmers using cover crops for 3+ years saw reduced yields compared to those who let the soil lay bare. https://go.nasa.gov/3XLwUGj
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Midwest Farmers Using Cover Crops Take Small Yield Hit
Although cover crops have significant environmental benefits, researchers found that they hinder yields on corn and soybean fields.go.nasa.gov