A field experiment was conducted at College of Horticulture, Munirabad, Koppal district of Karnataka which falls under Northern Dry Zone of Karnataka, India for two consecutive kharif seasons 2014 and 2015 to find out most suitable and efficient combination of different pre-plant and post-emergence herbicides to control weeds in onion. | Effect of pre and post emergence herbicide for weed management in onion bulb yield in northern dry zone of Karnataka, India