The degree of pollution and potential ecological risk heavy metals (HMs) in the soil plastic-covered sheds Jiangxi Province were evaluated by Nemerow index index. bioconcentration factor total target hazard quotient (TTHQ) used to evaluate enrichment ability health HMs vegetables. mean contents arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg) lead (Pb) 5.99, 0.373, 17.8, 5.94E-02, 28.9 m...