TY  - BOOK
AU  - SINGH NIRANKARI LAL
AU  - SINGH NIRANKARI LAL
TI  - TEXT BOOK OF FERTILIZERS AND MANURES
SN  - 8187253304    
U1  - 631.8 23
PY  - 2001///
CY  - AMAN PUBLISHING HOUSE
PB  - MEERUT
ER  -