When Al Schafbuch cut back on plowing his Iowa fields decades ago and later began growing cover crops, he was out to save money on fertilizer and reduce erosion.
The Associated Press DYSART, Iowa When Al Schafbuch cut back on plowing his Iowa fields decades ago and later began growing cover crops, he was out to save money on fertilizer and reduce erosion. He got those benefits and saw his soil change for the better, too: dark, chunky, richly organic matter that he […]
Shalamar Armstrong, associate professor of agronomy at Purdue University, holds a shovel full of soil, Thursday, July 13, 2023, in Fowler, Ind. Cover c .
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