一、白菜、油菜、萝卜、甘蓝和荠菜等十字花科蔬菜田。播种前用氟乐灵纯药37～80克/亩喷洒,拌土后播种。播后苗前可用拉索纯药100～130克/亩、乙草胺50～90克/亩。出苗后在杂草3～5叶期,应用拿捕净、稳杀得、禾草克、盖草能等对茎叶喷雾,可防除禾本科杂草。 First, cabbage, rape, radish, cabbage and shepherd’s purse and other cruciferous vegetable fields. Before sowing with trifluralin pure drug 37 ~ 80 g / mu spray, mix soil after sowing. After sowing seedlings can be used before pure cable 100 to 130 grams / acre, acetochlor 50 ~ 90 g / acre. After emergence in the weeds 3 to 5 leaf stage, the application of net catch, steady kill too, grass grams, cover grass can spray on the stems and leaves, to prevent grass weeds.