TY  - BOOK
AU  - Gupta, A.K.
AU  - Varshaney, M.L.
TI  - Practical Manual for Agricultural Chemistry
SN  - 81-7096-244-9
U1  - 630.240202 
PY  - 1989///
CY  - New Delhi
PB  - Kalyani
KW  - Agriculture
ER  -