The field experiment was conducted during the year 2017 under All India Co-ordinated Research Project on Tuber Crops at . College of Agriculture and Research Station, Jagdalpur, IGKV, Raipur (.). The experiment was laid out in split plot design with two factors namely fertility levels and different pre-emergence herbicides with three replications. | Response of different fertility levels and pre-emergence herbicides on weed population and benefit cost ratio of Colocasia Colocasia esculenta Var. antiquorum