石菖蒲对富营养化水体的净化效应

石菖蒲的生态地理分布十分局限，曾被认为是清洁水的指示植物，但经实验发现，该水生维管束植物可在污水中正常生长，通过石菖蒲的植株总氮、总磷以及养植石菖蒲的富营养化水体的氧化物、有机物耗氧量、生化需氧量、溶解氧、铵氮、总磷、总氮等项指标，说明石菖蒲对富营养化水体具有良好的净化效应。

The Effect Purification on Eutrophic Waters by Acorus tatarinowii

The ecological and geographic distribution of Acorus tatarinowii is limitary. The plant was regarded as the indicator of the clean water. Through experiment, the author finds that the aquatic vascular plant can normally grow in the sewage. By the determining of the following items: the total-N value of the plant, the total-P value of the plant and the chloride value, the COD value, the BOD 5 value, the DO value, the total-N value, the total-P value of the eutrophic water planted Acorus tatarinowii, this paper prove that Acorus tatarinowii has a good pruification effect on the eutrophic water.