Site

Tree species

Treatment

Melich 3 extractable concentrations of heavy metals (mg·kg⁻¹)

pH

OM (%)

TN (mg·kg⁻¹)

AP (mg·kg⁻¹)

Cu

Co

Ni

Pb

KTDS

E. grandis

UT

3.73 ± 0.25

3.11 ± 1.08

0.14 ± 0.06

2.46 ± 0.40

14.32 ± 2.38

14.98 ± 2.89

3.90 ± 0.54

2.04 ± 0.12

LS

6.88 ± 0.91

2.94 ± 0.50

0.13 ± 0.04

17.31 ± 5.43

7.86 ± 1.52

4.68 ± 1.31

0.90 ± 0.35

1.58 ± 0.25

Comp.

5.67 ± 0.89

4.30 ± 0.67

0.23 ± 0.07

70.27 ± 18.43

8.76 ± ± 1.00

5.87 ± 1.16

1.54 ± 0.33

0.89 ± 0.10

LS + Comp

6.61 ± 0.83

3.92 ± 1.33

0.19 ± 0.06

42.71 ± 9.04

9.04 ± 1.85

3.40 ± 0.82

1.25 ± 0.47

0.53 ± 0.15

Senna siamea

UT

4.75 ± 0.82

3.97 ± 1.05

0.20 ± 0.09

10.74 ± 3.63

27.75 ± 3.31

15.22 ± 1.44

4.00 ± 0.47

2.53 ± 0.79

LS

7.43 ± 0.28

4.87 ± 1.06

0.25 ± 0.07

24.92 ± 6.41

9.91 ± 2.02

2.90 ± 0.29

1.17 ± 0.63

0.40 ± 0.09

Comp.

6.40 ± 0.72

6.27 ± 1.62

0.34 ± 0.11

89.67 ± 17.02

9.12 ± 0.99

6.30 ± 0.73

1.27 ± 0.51

0.16 ± 0.01

LS + Comp

7.16 ± 0.78

5.99 ± 0.62

0.31 ± 0.07

76.69 ± 10.27

9.11 ± 1.33

4.56 ± 1.17

2.29 ± 0.43

0.39 ± 0.16

L. leucocephala

UT

4.51 ± 0.39

3.14 ± 0.72

0.15 ± 0.01

1.79 ± 0.16

13.61 ± 4.60

15.65 ± 4.18

4.17 ± 0.52

1.09 ± 0.34

LS

7.83 ± 0.37

4.51 ± 1.09

0.20 ± 0.06

25.49 ± 11.72

6.22 ± 0.82

3.47 ± 1.04

2.64 ± 0.81

0.58 ± 0.12

Comp.

6.70 ± 1.17

5.84 ± 0.89

0.24 ± 0.07

204.00 ± 73.10

7.12 ± 1.96

1.47 ± 0.19

2.77 ± 0.95

0.63 ± 0.11

LS + Comp

7.56 ± 0.47

5.22 ± 0.97

0.22 ± 0.06

104.06 ± 32.17

9.26 ± 2.87

3.56 ± 0.055

2.26 ± 0.24

0.79 ± 0.19

LPPTS

E. grandis

UT

2.96 ± 0.35

3.76 ± 0.84

0.14 ± 0.04

21.65 ± 5.98

15.02 ± 1.98

93.29 ± 17.48

10.09 ± 1.16

1.62 ± 0.32

LS

6.95 ± 0.76

3.22 ± 0.47

0.16 ± 0.03

30.18 ± 6.67

5.66 ± 1.27

44.70 ± 8.23

4.29 ± 1.56

0.54 ± 0.10

Comp.

4.33 ± 0.78

9.16 ± 1.19

0.33 ± 0.11

125.61 ± 27.16

6.43 ± 1.40

36.78 ± 3.12

5.57 ± 1.47

0.38 ± 0.12

LS + Comp

6.75 ± 0.68

5.25 ± 0.73

0.22 ± 0.06

63.97 ± 19.41

7.10 ± 1.57

35.67 ± 5.59

4.93 ± 1.15

0.37 ± 0.09

Senna siamea

UT

2.99 ± 0.56

5.15 ± 1.33

0.25 ± 0.08

26.28 ± 5.07

12.43 ± 1.35

88.48 ± 14.27

15.88 ± 2.33

1.62 ± 0.24

LS

6.92 ± 0.71

5.16 ± 1.79

0.26 ± 0.06

37.86 ± 12.43

6.95 ± 1.70

28.82 ± 5.75

3.69 ± 0.62

0.43 ± 0.10

Comp.

4.53 ± 0.36

9.18 ± 1.50

0.37 ± 0.14

139.38 ± 31.21

5.12 ± 1.93

53.10 ± 8.33

6.30 ± 1.65

0.69 ± 0.02

LS + Comp

6.50 ± 0.65

6.26 ± 1.77

0.27 ± 0.07

64.63 ± 17.54

7.68 ± 1.29

33.42 ± 2.48

2.64 ± 0.57

0.71 ± 0.21

L. leucocephala

UT

4.36 ± 0.89

1.36 ± 0.18

0.09 ± 0.02

5.02 ± 0.49

16.18 ± 3.53

49.70 ± 11.6

13.22 ± 3.49

1.75 ± 0.21

LS

7.58 ± 0.37

1.56 ± 0.30

0.09 ± 0.03

18.26 ± 3.54

7.20 ± 1.38

10.65 ± 1.11

6.29 ± 0.96

0.51 ± 0.10

Comp.

6.94 ± 1.13

4.31 ± 0.59

0.25 ± 0.07

157.76 ± 25.57

4.83 ± 0.98

9.21 ± 0.81

4.96 ± 1.61

0.42 ± 0.06

LS + Comp

7.57 ± 0.39

1.84 ± 0.15

0.21 ± 0.06

78.19 ± 10.34

6.22 ± 1.00

5.92 ± 0.66

6.40 ± 2.00

0.51 ± 0.13

HPPTS

E. grandis

UT

3.26 ± 1.00

1.80 ± 0.19

0.11 ± 0.05

9.31 ± 2.92

37.65 ± 8.89

125.11 ± 25.01

29.20 ± 9.04

2.46 ± 1.09

LS

7.02 ± 0.33

1.89 ± 0.25

0.13 ± 0.04

38.04 ± 3.50

7.17 ± 1.01

36.78 ± 4.96

3.91 ± 1.86

1.13 ± 0.27

Comp.

6.83 ± 0.67

4.36 ± 0.80

0.17 ± 0.06

280.17 ± 51.66

5.83 ± 1.34

18.63 ± 1.39

7.82 ± 2.74

0.48 ± 0.13

LS + Comp

7.02 ± 0.55

3.77 ± 0.13

0.17 ± 0.05

172.75 ± 28.56

7.92 ± 1.69

21.81 ± 0.53

4.69 ± 1.62

0.75 ± 0.23

Senna siamea

UT

3.39 ± 1.22

1.50 ± 0.15

0.09 ± 0.01

12.29 ± 3.03

40.58 ± 7.58

107.89 ± 19.76

9.78 ± 3.08

1.26 ± 0.14

LS

7.37 ± 0.56

1.59 ± 0.18

0.21 ± 0.06

13.95 ± 3.25

14.76 ± 4.04

15.09 ± 4.96

2.80 ± 0.70

0.76 ± 0.17

Comp.

4.60 ± 1.21

4.01 ± 0.36

0.15 ± 0.04

127.88 ± 14.58

18.75 ± 1.80

31.62 ± 5.95

3.22 ± 0.96

0.81 ± 0.11

LS + Comp

7.30 ± 0.72

1.63 ± 0.14

0.13 ± 0.04

41.16 ± 8.42

11.84 ± 2.26

29.32 ± 8.77

3.66 ± 0.93

0.73 ± 0.16

L. leucocephala

UT

4.50 ± 0.81

1.57 ± 0.17

0.11 ± 0.02

20.13 ± 3.27

36.14 ± 6.92

72.19 ± 12.62

10.42 ± 0.66

1.36 ± 0.14

LS

7.70 ± 0.44

2.21 ± 0.31

0.13 ± 0.01

36.11 ± 5.17

6.94 ± 1.98

11.69 ± 2.46

2.53 ± 0.74

1.09 ± 0.27

Comp.

6.64 ± 0.81

4.42 ± 0.80

0.17 ± 0.03

125.56 ± 22.46

7.06 ± 1.06

11.19 ± 3.56

3.72 ± 1.01

0.63 ± 0.15

LS + Comp

7.55 ± 0.64

2.24 ± 0.37

0.14 ± 0.03

80.82 ± 16.97

10.35 ± 2.66

12.92 ± 2.79

2.58 ± 0.68

0.72 ± 0.19

Unpolluted

E. grandis

6.24 ± 0.61

9.83 ± 1.93

0.39 ± 0.08

40.92 ± 4.45

4.25 ± 0.77

4.50 ± 0.96

2.5.71 ± 0.06

0.28 ± 0.03

Senna siamea

6.24 ± 0.56

9.04 ± 1.12

0.37 ± 0.04

42.70 ± 4.47

4.09 ± 0.42

4.65 ± 0.14

2.96 ± 0.01

0.15 ± 0.04

L. leucocephala

5.88 ± 0.49

9.84 ± 1.92

0.39 ± 0.09

50.69 ± 6.75

5.54 ± 0.66

5.04 ± 0.11

3.00 ± 0.19

0.18 ± 0.01