Sample

Pb ppm

Mean ± SD

Cu ppm

Mean ± SD

Mn ppm

Mean ± SD

ST1

0.88125

0.8155

1.375

1.024a ± 0.306

0.375

1.5

2.75

1.542a ± 1.19

58

54.88

48.5

53.79a ± 4.84

ST2

1.005

1

0.9075

0.971ab ± 0.055

2.625

3.125

3.375

3.04a ± 0.389

51.25

52.75

47.63

50.54ab ± 2.63

ST3

0.92875

0.875

1.00625

0.94ab ± 0.066

3.5

3.375

4.125

3.67a ± 0.41

40.13

52.38

47

46.50bc ± 6.14

ST4

0.8775

0.6205

0.66375

0.721bc ± 0.14

3.125

3.375

2.875

3.13a ± 0.25

44.25

40.5

42.5

42.42c ± 1.88

ST5

0.755

0.525

0.6295

0.637bc ± 0.115

2

1.375

11.75

5.042a ± 5.82

33.38

34.88

33.13

33.79d ± 0.95

ST6

0.53375

0.3275

0.57625

0.48c ± 0.133

4.75

4.25

6.625

5.21a ± 1.25

32.75

31.75

32.25

32.25d ± 0.40

ST7

0.00075

0.0005

0.00125

0.00083d ± 0.00038

5.125

13.25

3.5

7.29b ± 5.22

7.81

7.12

7.82

7.58e ± 0.40

LSD (p < 0.05)

0.333

2.623

7.314

Correlation coefficient r (p < 0.05)

0.935

0.945

0.925