00680cam a2200205 7i4500 0000078871 20091208090000.0 091208s2008 -us eng 140208708X 9781402087080 S 623 .B5 2008 Blanc, Humberto Principles of soil conservation and management by Humberto Blanco and Rattan Lal. [Dordrecht?]: Springer, c2008. xxiv, 617 p. : ill. (some col.) ; 24 cm.. Includes bibliographical references and index Soil conservation Soil erosion Lal, R 1100072780 Book Open Shelf KOLEKSI TERBUKA