The change maybe help the plant remove the pollutans in the water. 6.It was feasible and maybe the important orientation by using floating culture system to remedy the eutrophic water body.

• 6 可以利用飘浮栽培方式种植观赏或经济植物来净化富营养化水体，同时可以美化、绿化环境，也许是以后污水治理发展的一个重要方向。