TY  - BOOK
AU  - K.W. Tiwari
AU  -  Seresh C. Modgal, 
TI  - Review and refinement of fertilizer recommendations for principal crops in uttar pradesh
U1  - 631.8 
PY  - 2000///
CY  - Haryana
PB  - Potash and Phosphate Institute of Canada
ER  -