TY  - BOOK
AU  - Stewart, B A
AU  - Lal,R.
AU  - Stewart,B.A.
TI  - Food security and soil quality
SN  - 9781439800577 (acidfree paper)
U1  - 338.19 
PY  - 2010///
CY  - New Delhi
PB  - CRC Press 
KW  - Food security
KW  - Soils
ER  -