Lal R Ed. Advances in soil science - New York Springer-Verlag 1990 - xvii, 345p. cm. Includes bibliographical references.; Index 337-345p. ISBN: 3540971262 (hbd) Standard No.: 14850 Source: Textbook Subjects--Topical Terms: soil degradationAgriculture Dewey Class. No.: J:1:(H)un1,N89, N0;1 TJ