Successful weed management is based on
a). Knowledge on weed biology
b). Survey on the nature of weed problem
c). Whole farm planning
d). Removal of weeds before flowering
i. a & b ii. b & d
iii. c & d iv. All
a). Knowledge on weed biology
b). Survey on the nature of weed problem
c). Whole farm planning
d). Removal of weeds before flowering
i. a & b ii. b & d
iii. c & d iv. All