水田杂草群落的种类往往随着时间的推移和环境条件的变化而变化。近年来，随着丁草胺、农思它、农力等除稗剂和草克星、农得时、威农等阔叶除草剂的应用，稻田中稗草、牛毛草、异型莎草、眼子菜等杂草数量不断减少，有的已基本灭除，但匍茎剪股颖的数量却与日俱增，成为危害稻 The species of weed communities in the paddy field often change over time and as environmental conditions change. In recent years, with the application of butachlor, artesunate, agricultural and other barnyardgrass and grass nemesis, agricultural time, weinon and other broad-leaved herbicides, rice field barnyard grass, ox hairy grass, shaped sedge, Weeds and other weeds continue to reduce the number of, and some have been basically eliminated, but the number of Creeping stem Ying is growing, a dangerous rice