TY  - BOOK
AU  - Aswathanarayana, U
TI  - Soil Resources and the Environment
SN  - 1578080673
U1  - 631.7 
PY  - 1999///
CY  - U.S.A
PB  - Science Publishers, Inc.
KW  - SOIL ECOLOGY
KW  - Soil management
KW  - SOIL SCIENCE
ER  -