Removing chromium and lead metals using phytoremediation technique Riyad Al-Anbari, Abdul-Hameed Al-Obaidy, Mahmoud Al-Khafaji and Tiba Al-Imari MATEC Web Conf., 162 (2018) 05004 Published online: 07 May 2018 DOI: 10.1051/matecconf/201816205004