经调查,韭菜田的主要杂草种类有37种,对韭菜后期正常生长及产量形成影响较大。根据韭菜田不同时期、不同杂草种类进行化学防除,效果较好。韭菜田杂草是影响韭菜生产的重要因素,杂草不仅与韭菜作物争夺养分、水分、光照和生存空间,而且还是一些韭菜病虫害的中间寄主,对韭菜的产量和品质影响很大。因此,做好韭菜田杂草的防除,对进行韭菜标准化生产,提升韭菜产量和品 After investigation, the main types of weeds in the leek field, there are 37 kinds of leek late normal growth and yield formation greater impact. According to leek field at different times, different weed species for chemical control, the effect is better. Leek weed is an important factor affecting leek production. Weeds not only compete with leek crops for nutrients, water, light and living space, but also some intermediate hosts for leek diseases and pests, which have a great impact on the yield and quality of leeks. Therefore, weeds in the control of leeks, leeks on the standardization of production, improve leek production and quality