Abstract The effectiveness of using Vetiver grass ( Chrysopogon zizanioides ) in phytoremediation wastewater has been proven. In this study, the potential C. planted Cr- and Ni-contaminated soil was evaluated through investigating behaviors on uptake release metals. Three treatments: control, Cr, Ni, with three concentrations (50, 150, 300 ppm), were applied. is assessed by determination metal ...