Phytoremediation describes the treatment of environmental problems through the use of plants that mitigate environmental problem without the need to extract contaminant material and dispose of it elsewhere. (http://en.wikipedia.org/wiki/Phytoremediation)
Phytoremediation gives a great opportunity to site designers to realize their design ideas in a more sustainable way. This method cost relatively less and is easy to be monitored. Although it has its own limitations, such as longer proceeding time, not suitable for severe and deep contaminations. It is the method that will least interrupt the nature.
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