TY  - BOOK
AU  - Krishna, K. R.,
TI  - Soil Fertility and Crop Production
SN  - 8120415302
U1  - 631 
PY  - 2002///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co. Pvt. Ltd.
KW  - Soil Fertility
KW  - Soil Science
KW  - Techniques, equipment & materials
ER  -