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江苏省金坛市直溪镇读者来电话说,他种了10亩地萝卜,在萝卜播后苗前每亩用60%丁草胺乳油123.5毫升加水30公斤进行土壤封闭处理。现在萝卜处于子叶期,田间还有很多草没有除掉,但只有阔叶杂草,没有禾本科杂草,阔叶杂草处于2叶期。他问,田间的阔叶杂草为什么没能除掉,还可以用哪些药防除。丁草胺为酰胺类选择性芽前除草剂,适用于白菜、萝卜、甘蓝、茄果类、豆类、菠菜等蔬菜田,防除以种子萌生的禾本科杂草、一年生莎草及一些一年生阔叶杂草。该药主要能除单子叶杂草,对大部分阔叶杂草无效或药效不高。据江苏省南通市蔬菜所尹长清等人试验,萝卜
Straight Creek Town, Jintan City, Jiangsu Province, the reader called to say he planted 10 acres of radish, radish sowing before the seedlings per mu with 60% butachlor EC 123.5 ml 30 kg of water for soil sealing. Now radish in the cotyledon stage, the field there are many grass did not get rid of, but only the broad-leaved weeds, there is no grass weeds, broadleaf weeds in the 2 leaf stage. He asked why broad-leaved weeds in the field did not get rid of them. Butachlor is an amide-selective pre-emergence herbicide for cabbage, radish, cabbage, eggplant, beans, spinach and other vegetable fields, to control the seed germination weeds, annual sedge and some annual width Leaf weeds. The drug can mainly remove monocotyledonous weeds, most of the broadleaf weeds invalid or ineffective. According to Nantong City, Jiangsu Province, Yin Changqing vegetable test, radish