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(A) Concentration of Cd in roots of oilseed rape treated with soil Se and 5 mg kg-1 Cd after a planting time of 60 days. (B) Concentration of Pb in roots of oilseed rape treated with soil Se and 500 mg kg-1 Pb after a planting time of 60 days. Average concentrations (Dry biomass weight, DBW) provided with error bars representing the standard error. Different letters mean significance of difference between the treatments (p ≤ 0.05).
