Herbicides for soil treatment of rape before sowing

The main herbicides used to treat soil before rape planting are trifluralin, Du Er, etc., which are used to control grass weeds. Apply 48% Fluor EC 100 - 150ml per mu, 40L water, or 72% Dur EC 150ml water 40L, after the surface is leveled, mix with soil along with spraying, and sow rape after 2 - 4 days.