By Dennis O'Brien
Special to Poultry Times
BELTSVILLE, Md. — For decades, farmers in Montana and the Dakotas have produced impressive yields of barley and wheat. But that bounty has come at a cost. Tilling the soil in the region’s crop-fallow production systems has robbed the soil of nutrients and organic matter and reduced crop yields. In fact, the region’s soils have lost up to 50 percent of their organic matter in the last 50 to 100 years, and scientists say that current practices are unsustainable.
Agriculture also contributes about 25 percent of the human. . .
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