Soil parameter

Min.

Max.

Mean ± S.D.

C.V.(%)

Skewness

Kurtosis

CEC₁

5.12

19.90

11.16 ± 4.06

36.36

0.64

−0.75

CEC₂

7.39

25.71

13.64 ± 4.80

35.16

0.87

0.13

CEC₃

6.97

23.68

12.59 ± 4.58

36.33

1.01

0.13

ΔCEC_2-1

2.28

56.50

24.02 ± 16.62

69.21

0.48

−0.78

ΔCEC_3-2)

−0.75

−20.30

−7.73 ± −4.55

−58.89

−0.94

1.40

pH

4.39

6.68

5.17 ± 0.62

12.07

0.96

0.46

Organic matter

3.10

33.57

10.90 ± 8.17

74.93

1.39

1.21

Iron oxides

19.25

80.84

41.65 ± 16.31

39.15

0.71

−0.20

Sand

70

640

302 ± 168

55.66

0.59

−0.80

Silt

116

517

331 ± 117

35.18

−0.37

−0.82

Clay

173

596

366 ± 107

29.27

0.03

−0.09