What herbicide is used after sowing rapeseed and before seedling emergence?

(Agricultural Wealth Network) Herbicides used after sowing rapeseed and before seedling emergence. The main agents for controlling grassy weeds or broadleaf weeds include acetochlor, napropamide, alachlor, Herbos, benthiocarb, devrinol, chlorotoluron and other agents. Method of use: after sowing rapeseed and before weeds emerge, select per mu 60% butachlor emulsifiable concentrate 100 to 124 milliliters, or 20% napropamide emulsifiable concentrate 150 to 200 milliliters, or 48% alachlor emulsifiable concentrate 200 to 250 milliliters, choose any one, and spray with 40 liters of water.