TY  - BOOK
AU  - Gustafson, A.F.
TI  - Conservation of the soil
SN  - 8176222127
U1  - Cir. 631.4 G970 
PY  - 2011///
CY  - New Delhi
PB  - Biotech Books
KW  - Conservation of natural resources
KW  - Environmental protection
KW  - Erosion
KW  - Soil erosion
ER  -