TY  - BOOK
AU  - Gustafson,A.F.
TI  - Handbook of fertilizers: their sources, make-up, effects and use 
SN  - 8177540319
U1  - 630 
PY  - 2012///
CY  - India
PB  - Agrobios
KW  - Fertilizers
N1  - Includes index
ER  -