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由于大白菜的常年种植,使其田间杂草的防除任务成为繁重的工作,需要分不同时期来防除大白菜田间的杂草。1.大白菜育苗田(畦)或直播田杂草防治。白菜育苗或直播田的田间墒情较好、土质肥沃,有利于杂草的发生,如不及时进行化学防除,将严重影响幼苗生长,应注意选择除草剂品种和施药方法。在白菜播后苗前,可使用330克/升二甲戊乐灵乳油75~120毫升/亩,或720克/升异丙甲草胺乳油100~150毫升/亩,或960克/升异丙甲草胺乳油60~90毫升/亩防除多种一年生禾本科
Due to the perennial planting of Chinese cabbage, the field weed control tasks become a heavy task, need to be divided into different periods to control weeds in Chinese cabbage field. 1. Chinese cabbage nursery field (畦) or direct-seeded weed control. Cabbage nursery or direct field field moisture better, fertile soil, is conducive to the occurrence of weeds, if not timely chemical control, will seriously affect the seedling growth, we should pay attention to select the varieties and methods of application of herbicides. In the cabbage sowing before, you can use 330 g / l pendimethalin 75-120 ml / acre, or melatonin 720 g / l 100-150 ml / acre, or 960 g / l different Melachlor EC 60 ~ 90 ml / mu Control of a variety of annual grasses