席草是我市主要经济作物之一,由于其生长期长,田间杂草种类多,数量大,草害问题十分突出,采用化学除草代替人工除草已成为当前席草生产的迫切要求。为此,我们于近两年中对席草田的杂草进行了调查,并作了化学防除试验,现将初步结果报告于下: The mat grass is one of the main cash crops in our city. Because of its long growing period, the field has a large number of weeds and a large number of grass weeds. The problem of grass weeds is prominent. The use of chemical weeding instead of artificial weeding has become an urgent requirement for the current mat production. To this end, in the past two years, we conducted a survey of grass weeds in grass fields and conducted chemical prevention and control tests. The preliminary results are reported as follows: