Soil erosion and crop productivity - Follett, R. F. (Ronald F.), 1939-; Stewart, B. A. (Bobby Alton), 1932- (Madison, Wis., U.S.A. : American Society of Agronomy, 1985)
Includes bibliographies and index.
Keywords: Soil erosion; Soil conservation; Crops and soils; Crop yields; Soil erosion -- United States; Soil conservation -- United States; Crops and soils -- United States; Crop yields -- United States