01077cam a2200337 a 4500 3344269 BD-DhUL 20150223154015.0 851125s1985 wiua b 001 0 eng 85232606 0891180877 DLC DLC DLC BD-DhUL n-us--- S623 .S5737 1985 631.45 19 S683 Soil erosion and crop productivity / editors, R.F. Follett and B.A. Stewart. Madison, Wis., U.S.A. : American Society of Agronomy, 1985. xxiv, 533 p. : ill. ; 24 cm. Includes bibliographies and index. 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. Follett, R. F. (Ronald F.), 1939- Stewart, B. A. (Bobby Alton), 1932- ddc BK 36040 36040 0 0 ddc 0 631_450000000000000_S683 0 NFIC 66948 DUSL DUSL GEN 2015-02-23 Purchased 631.45 S683 300307 2015-02-23 2 2015-02-23 BK