TY  - BOOK
AU  - Gupta,O.P.
TI  - Fundaments of weed science
SN  - 8177543075
U1  - 632.5 
PY  - 2007///
CY  - Jodhpur
PB  - Agrobios India
KW  - Weed and our concern
KW  - Weed-crop competition
ER  -