TY  - BOOK
AU  - Gupta, O.P. 
AU  - 
TI  - Weed management : : principles and practices 
SN  - 9788177542035
U1  - 632.58 22
PY  - 1993/// [reprint 1997]
CY  - Bikaner, India : 
PB  - Agro botanical publishers cop.
KW  - Weeds
KW  - Management
KW  - Control
ER  -