TY - BOOK AU - Lal,R. TI - Methods for assessment of soil degradation T2 - Advances in soil science SN - 084937443X (acidfree paper) AV - S623 .M435 1998 U1 - 333.73/137 21 PY - 1998/// CY - Boca Raton, Fla. PB - CRC Press KW - Soil degradation N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/enhancements/fy0744/97024696-d.html ER -