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. 2021 Jun 15;28(39):55102–55115. doi: 10.1007/s11356-021-14705-9

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© The Author(s) 2021

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Fig. 5 — Arsenic, cadmium and arsenic+cadmium yield in shoot dry biomass and translocation factor under different concentrations in cardoon, at the end of experiment. Values are expressed as mean of biological replicates (n = 3). Different uppercase letters indicate statistically significant differences among the metals concentration on different levels contaminations among the genotypes. Different lowercase letters indicate statistically significant differences among the metals concentration on different levels contaminations among the same genotype (p≤0.05)