Table 2 Soil heavy metals content distribute between treatments.

From: Excess sulfur and Fe elements drive changes in soil and vegetation at abandoned coal gangues, Guizhou China

 

CEC (cmol/kg)

As (mg/kg)

Cd (mg/kg)

Cu (mg/kg)

Pb (mg/kg)

Ni (mg/kg)

Zn (mg/kg)

Mn (mg/kg)

Cr (mg/kg)

Hg (mg/kg)

GP

15.2 ± 1.92

8.4 ± 1.98

0.8 ± 0.14

61 ± 8.93

14.1 ± 3.93

13.3 ± 3.92

40.5 ± 22.22

215.1 ± 137.43

83.4 ± 10.06

0.01 ± 0.0015

CK-near

13 ± 3.71

7.9 ± 1.46

0.7 ± 0.21

63.2 ± 7.97

20.2 ± 2.22

17.6 ± 7.68

54.7 ± 18.07

418.4 ± 309.51

86 ± 0.46

0.01 ± 0.001

CK-far

12.9 ± 2.19

10.5 ± 2.02

1.3 ± 0.74

57.2 ± 32.99

19.3 ± 2.3

30 ± 25.81

95.2 ± 49.29

462.8 ± 183.76

81.8 ± 16.83

0.01 ± 0.0033