Wed April 13, 2011
Iowa Soil Erosion Threatens Ag Sustainability
Agriculture is Iowa's biggest industry -- and a new report suggests it may be facing a serious threat from an-age old problem: soil erosion. The Environmental Working Group report released Wednesday finds that finds that some parts of Iowa are losing soil at 10 times the rate that federal statistics suggest. Soil erosion not only causes water pollution, but the depletion of fertile topsoil can make a big dent crop yields.