Effect of Weed Management Techniques in kharif Onion (Allium cepa L.)

The study was conducted under On Farm Testing (OFT) at the farmer's field of adopted village Lachchhakheri of District Mandsaur (Madhya Pradesh) in kharif season of 2014, 2015 and 2016 to assess the effect of weed management treatments on yield of kharif onion (Allium cepa L.) and its weeds. The weed management treatment Oxyfluorfen @ 150 g ai/ha as pre emergence gave 46.31 percent higher bulb yield as compared to farmer's practice. Further, application of Oxyfluorfen @ 150 g ai/ha as pre emergence treatment gave significantly higher plant height, net return and B: C ratio as compared to all other treatments tested and significantly reduced the weed count and weed dry matter recorded at 75 DAS as compared to all other treatments tested.