Sample

Pb ppm

Mean ± SD

Cu ppm

Mean ± SD

Mn ppm

Mean ± SD

ST1

2.318

1.82375

2.37

2.170a ± 0.301

1.5

0.25

0.5

0.75a ± 0.66

60.38

52

50.75

54.38a ± 5.24

ST2

1.9375

1.34875

1.32875

1.538b ± 0.346

3.25

2.5

2.75

2.83b ± 0.382

53.38

55.25

50.63

53.09a ± 2.3

ST3

1.694

1.289

1.3

1.428b ± 0.23

2.25

1.375

1.75

1.79ab ± 0.44

53.38

44.25

49.75

49.13ab ± 4.6

ST4

1.4025

1.4265

1.4065

1.41b ± 0.013

0.75

1.25

2.875

1.625ab ± 1.11

46.63

43.25

42.25

44.04b ± 2.3

ST5

1.16125

0.9175

1.10125

1.06c ± 0.13

5.25

2.375

2.125

3.25bc ± 1.74

37.75

33.88

36.13

35.92c ± 1.94

ST6

0.9175

0.83375

0.8875

0.88c ± 0.042

3.25

1.125

2.875

2.42ab ± 1.134

34.21

33.8

31.5

33.17c ± 1.46

ST7

0.0073

0.0029

0.0052

0.0051d ± 0.002

3.5

5.125

7

5.21c ± 1.75

8.6

7.4

10.33

8.78d ± 1.48

LSD (p < 0.05)

0.455

1.34

7.03

Correlation coefficient r (p < 0.05)

0.941

0.754

0.922