Eutrophication is the main performance of water pollution and the most prominent environmental problem in the world, which is also a hard question of water pollution control in our country. Repairing the eutrophication with aquatic plants is an effective way to governing water pollution, because it costs low, makes less disturbance to the environment and has good ecological benefits. By designing the stress experiment of single phosphorus factor, the growth status and P(phosphorus) enrichment effect of Sagi...