TY  - GEN
AU  - Lal , R. 
AU  - Blum , W. H; ed.;Valentine , C. S. ;ed.;Stewart , B. A. ;ed.   
TI  - Methods for assessment of soil degradation: advance in soil science
SN  - 9780849374432
U1  - 333.73137 
PY  - 1998///
CY  - New York
PB  -  CRC Press
KW  - EROSION
KW  - DEFORESTATION
KW  - ECOSYSTEM
KW  - AGRICULTURAL PRODUCTIVITY
KW  - ENVIRONMENTAL ECONOMICS
KW  - COMPACTION
KW  - ACIDIFICATION
KW  - SALINIZATION
ER  -