4Hsieh C H, Davis A P. Evaluation and optimization of bioreten- tion media for treatment of urban storm water runoff. Journal of Environment Engineering, 2005,1 31 ( 11 ) : 1521-1531.
5Kim M H, Sung C Y, I.i M H, et aL Bioretention for stormwa ter quality improvement in Texas: Removal effectiveness of Eseherichia coll. Separation and Purification Technology, 2012, 84(2) : 120-124.
6O'Neill Sean W, ]')avis A P. Water treatment residual as a bioretention amendment for phosphorus II: long term column studies. Journal of Environmental Engineering, 2011, 138(3): 328-336.