Field experiments were carried out at Horticulture Farm, Department of Horticulture, SKN Agriculture University, Jobner during 2016-17 and 2017-18 rabi seasons in the loamysand soil to study the effect of weed management and plant nutrition practices on weed infestation and NPK depletion by weeds in onion (Allium cepa L.). | Effect of integrated weed management and nitrogen levels on weed infestation and NPK depletion by weeds in onion