TY  - BOOK
AU  - Bockman, Olut Chr and others,
TI  - Agriculture and Fertilizers : Fertelizers in Perspective
SN  - 9789383692101
U1  - 631.8 
PY  - 2015///
CY  - New Delhi
PB  - United Book Printers
KW  - Techniques, equipment & materials
ER  -