Vanishing Prairie series
An Iowa farmer has carved out a middle ground between the extremes of organic purism and the chemically intensive agriculture that is the norm in the Midwest. Updated Dec. 29, 2012
"The Vanishing Prairie'' is a Star Tribune series examining the way that agriculture is profoundly transforming the landscape of the Upper Midwest and its valuable native ecosystems.
As crops spread, some land can no longer cleanse nitrates from groundwater.
Herb Hamann, a cattle rancher in Clear Lake, South Dakota
Danny Serfling tilled a field on his farm in Preston, Minn., in late October. He lost part of this field and a whole other one to rootworm. The solution? “We will have to use more insecticide,” he said.