Content of Cr(VI) ± SD, μg g^−0^Percentage of Cr(VI) in total content ± SD, %Content of Cr(VI) ± SD, μg g^−0^Percentage of Cr(VI) in total content ± SD, %Soil 00.00.0000.0 ± 0.00.00 ± 0.000.00 ± 0.000.00 ± 0.000.00 ± 0.00So