Efficacy of separate and premix formulation of metsulfuron-methyl and carfentrazone-ethyl on weeds in wheat: A review

India has a wide range of agro-climates regions and soil types. The highly diverse agriculture systems are beset with different types of weed problem. Weeds cause 10- 80% crop yield losses besides deteriorating quality of products and causing health and environmental hazards. Traditionally, weed control has been largely dependent on manual weeding.