水上漂又称眼子菜、牙齿草、“货郎盖”、鸭嘴草,在我省稻田区分布很广,是一种多年生恶性杂草。水上漂叶片浮在稻田水面,既降低水温、土温,又消耗土壤大量养分,受害水稻叶黄而细弱,不扩权,减产严重。 Water floating, also known as eye dish, tooth grass, “groomsman lid”, duckbill grass, rice distribution area in our province is very wide, is a perennial vicious weeds. Floating floating leaves paddy water, both to reduce the water temperature, soil temperature, but also consume a large amount of soil nutrients, the affected rice leaves yellow and weak, no expansion, serious production cuts.