TY  - BOOK
AU  - G. Dev
TI  - Balanced fertilizer use for increasing foodgrains production in nothern state ( Punjab, Haryan, Uttar Pradesh, Himachal Pradesh,
U1  - 631.8 
PY  - 1992///
CY  - Gurgaon
PB  - Potash phosphate institute o f canada India programme
ER  -