Rill erosion: An erosion process in which many small channels only a few inches deep are formed; occurs mainly on the bare soil of recently cultivated fields before new crops have sprouted.

Ephemeral gullies are common features on agricultural landscapes. Concentrated water flows can erode cropland soils and carve out these small drainage ditches, which then transport field runoff laden ...

Rainstorms are keeping Iowa farmers from planting, but they also could be creating other problems in fields across the state. Iowa State University agronomy professor Rick Cruse is searching for a way ...

"USDA Forest Service, Southeastern Area, State and Private Forestry." "September 1980"--Cover. siris_sil_140506 ...