This paper aimed to study the function of Vallisneria spinulosa and other six aquatic plants in the purification of eutrophic water. The results were as follow.
1. By the determination of related growth increment of aquatic plants cultured in two different eutrophic waters, the results showed that seven aquatic plants such as V. spinulosa could grow normally. Among all the 7 aquatic plants, Ceratophyllum demersum, Ipomoea aquatica and Eichhornia crassipes could grow well in eutrophic water. Oe...