Preliminary study on purification function of reed wetland for nutrients from land sources

Abstract

Abstract: The preliminary study on purification function of reed wetland for nutrients from land sources were conducted by irrigation channels and lysimeters.The results show that the purification rates for N, P and CODcr are from 41.7%～64.71% in the channels and 60.0%～75.92% in the lysimeters.The contents of N and P reached the national second level standards of sea water after filtration by lysimeters.By harvest, the good recycle between wetland and land is formed without accumulation.

Key words: Wetland, Nutrients from land sources, Purification function

QU Xiangrong, JIA Hongyu, ZHANG Hairong, LI Xiuzhen, LI Peijun. Preliminary study on purification function of reed wetland for nutrients from land sources[J]. Chinese Journal of Applied Ecology, 2000, (2): 270-272.

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