我省各地都在进行杂草普查,以便摸清情况,进行有效防除。但杂草种类很多,正确鉴定杂草名称并非易事,张冠李戴时有发生,现就几种容易混淆的主要杂草,择其要点区分如下(双子叶杂草将在下期续) 一、荆三棱Scirpus yagara,扁秆藨草Scirpus Planiculmis和水莎草Juncellus se- Weeds in all parts of the province census, in order to find out the situation, effective control. However, many types of weeds, the correct identification of weeds name is not easy, when Zhang Guanghui occurs, there are several easily confused main weeds, the main points to choose the following distinction (dicotyledonous weeds will be continued in the next period) First, Jing Sanxian Scirpus yagara, flatgrass Scirpus Planiculmis and watercress Juncellus se-