TY  - BOOK
AU  - Gustafson,A.F., x
AU  - x
TI  - Handbook of fertilizers: Their source, make-up effect and use
SN  - 8177540319 
U1  - 631.8/G982h 
PY  - 2003///
CY  - Jodhpur
PB  - Agrobios
KW  - Fertilizers and manures
KW  - Soil science
ER  -