Ecological risk assessment of heavy metals in tea plantation soil around Tai Lake region in Suzhou, China.

After 30 days of incubation, the results of ANOVA analysis of the cumulative concentrations of 8 HMs in the tea plant showed that the differences in the cumulative concentrations of the heavy metal elements, Cd, As, Pb, Cr, Cu, Ni, and Zn, except for Hg, reached a highly significant level ( p < 0.01) in the tissues of the tea plant at different sites (Table S 6 ).

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