The field experiment was conducted during the year 2017 under All India Co-ordinated Research Project on Tuber Crops at S.G. College of Agriculture and Research Station, Jagdalpur, IGKV, Raipur (C.G.). The experiment was laid out in split plot design with two factors namely fertility levels and different pre-emergence herbicides with three replications. The result revealed that weed species, weed population and dry weight of weed were recorded significantly maximum under F5 (130% NPK) followed by under F4 (115% NPK), weed control efficiency were not affected by any fertility levels treatment. In case of application of pre-emergence herbicides whereas the weed species, weed density and dry weight of weed were significantly higher in T6 (weedy check) whereas, weed control efficiency was recorded significantly higher in T2 (Pendimethalin @ 1.5 kg a.i. ha-1) at 30 and 60 DAP. However, net returns and benefit cost ratio was recorded significantly maximum under F5 (130% NPK) followed by F4 (115% NPK) and minimum was observed under F1 (70% NPK) in fertility levels. In case of pre-emergence herbicides recorded significantly higher under T2 (Pendimethalin @ 1.5 kg a.i. ha-1) and lowest was observed under T6 (weedy check).

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