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Notice of Retraction
Purification mechanism and experiments of ditch wetland to agricultural non-point pollutants

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3 Author(s)
Li Qiang-kun ; Irrigation Res. Center, Yellow River Inst. of Hydraulic Res., Xinxiang, China ; Hu Ya-wei ; Li Huai-en

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

The migration and transformation of agricultural non-point source pollutants in drainage ditches is an important step of agricultural non-point source pollution control and management. On the bases of analyses on the ecological structure of drainage ditches and purification mechanism of ditch wetland to agricultural non-point pollutants, experiment was conducted taking the XI YU drainage ditch system, in the Qing-Tong-Xia Irrigation District at the Yellow River upstream, as an example. The results show that ditch wetland has better purifying effect to agricultural non-point pollutants, of which, the purification rate of total phosphorus and ammonia nitrogen were 27.46% and 21.80% respectively. According to the current research situation, the further research object includes three aspects, quantitative study on different action of each component in drainage ditch ecosystem, migration model of agricultural non-point source pollutants in drainage ditch and the relationship between ditch wetland application and regional eco-environment at the macro level.

Published in:

Environmental Science and Information Application Technology (ESIAT), 2010 International Conference on  (Volume:4 )

Date of Conference:

17-18 July 2010