TY  - BOOK
AU  - Van Slyke,, Lucius L
TI  - Fertilizers and crop production / 
SN  - 81-7754-115-3
U1  - 631 
PY  - 2003///
CY  - Jodhpur
PB  - Agrobios
KW  - Agriculture
N1  - Includes index and appendix
ER  -