Soil erosion is the removal of soil by water, wind, ice or gravity and sediment deposition occurs when the rate of surface flow is insufficient for the transport of soil particles. Often, these two ...
With soils rich for cultivation, most land in the Midwestern United States has been converted from tallgrass prairie to agricultural fields. Less than 0.1 percent of the original prairie remains. This ...
A field planted with cereal rye, one of the most common cover crops in Iowa. Photo by Ally Larson/Iowa State University. AMES, Iowa – Planting ground cover in fields between cash crop growing seasons ...
Over the last 3,800 years, agro-pastoral activities have accelerated alpine soil erosion at a pace four to 10 times faster than their natural formation. The history of this erosion has just been ...