Resistance to and uptake of heavy metals by Vetiveria zizanioides and Paspalum notatum from lead/zinc mine tailings Effect of different amendments on growth and heavy metal accumulation in Vicia villosa Roth varglabrescens cv Yunguangzao in soils polluted with lead/zinc mine tailings The Revegetation of a Lead/Zinc Mine Tailings Site With an Introduced Soil Seed Bank