pH

Mean ± St. D

C. V. (%)

Skewness

Kurtosis

Region

Total

4.98 ± 0.60

11.85

0.64

0.54

Fujian

5.13 ± 0.63

12.28

0.43

0.41

Guangdong

4.88 ± 0.55

11.27

0.75

0.75

Soil type

Ferralosols

4.92 ± 0.51

10.37

0.55

−0.97

Ferrosols

4.83 ± 0.45

9.32

0.56

0.37

Argosols

5.20 ± 0.69

13.27

0.14

−0.7

Cambosols

5.04 ± 0.72

14.29

0.62

0.35

Parent material

Q₄ red clay

4.87 ± 0.39

8.01

0.85

−0.39

Granite

5.02 ± 0.63

12.55

0.4

−0.26

Sandstone

4.93 ± 0.58

11.76

0.71

1.77

Basalt

5.36 ± 0.84

15.67

0.16

−0.96

Land use

Dryland

5.3 ± 0.71

13.4

0.53

−0.23

Forestland

4.9 ± 0.54

11.02

0.44

0.22

BSP

Mean

41.26

Skewness

Kurtosis

Region

Total

25.07 ± 21.26

86.4

1.11

0.25

Fujian

35.96 ± 23.03

64.04

0.6

-0.7

Guangdong

17.46 ± 16.95

97.08

1.66

2.03

Soil type

Ferralosols

15.58 ± 11.21

71.95

1.87

3.6

Ferrosols

22.66 ± 18.65

82.3

1.14

0.38

Argosols

32.1 ± 23.79

74.11

0.76

−0.49

Cambosols

23.66 ± 26.81

113.31

1.12

−0.27

Parent material

Q₄ red clay

29.62 ± 19.60

66.17

0.63

−0.66

Granite

26.19 ± 23.92

91.33

0.92

−0.42

Sandstone

19.74 ± 19.62

99.39

1.77

2.97

Basalt

38.68 ± 25.62

13.81

0.18

−1.63

Land use

Dryland

41.26 ± 24.08

58.36

0.37

−0.79

Forestland

21.26 ± 19.20

90.26

1.34

0.83