Santchou

Bandjoun

Balatchi

Min.

Max.

Mean ± SE

Median

Std. Dev.

CV (%)

Min.

Max.

Mean ± SE

Median

Std. Dev.

CV

(%)

Min.

Max.

Mean ± SE

Median

Std. Dev.

CV (%)

pH-H2O

4.70

7.50

6.32 ± 0.50

6.60

1.22

19.24

5.50

7.60

6.92 ± 0.32

7.20

0.77

11.18

5.40

6.50

5.83 ± 0.16

5.75

0.38

6.57

pH-KCl

3.60

6.60

5.07 ± 0.56

5.05

1.36

26.94

4.10

6.70

5.88 ± 0.41

6.35

1.00

17.01

4.50

4.80

4.62 ± 0.05

4.60

0.12

2.53

∆pH

−1.90

−0.90

−1.25 ± 0.15

−1.15

0.36

−28.96

−1.40

−0.60

−1.03 ± 0.12

−1.00

0.29

−28.49

−1.70

−0.70

−1.22 ± 0.14

−1.20

0.34

−27.71

TN (%)

0.11

0.20

0.15 ± 0.02

0.15

0.04

25.16

0.10

0.14

0.12 ± 0.01

0.13

0.02

12.21

0.21

0.41

0.29 ± 0.03

0.27

0.07

24.29

OC (%)

2.82

4.88

3.77 ± 0.29

3.74

0.71

18.81

2.53

4.29

3.42 ± 0.25

3.44

0.60

17.60

5.24

7.65

6.18 ± 0.42

5.83

1.04

16.80

OM (%)

4.87

8.42

6.51 ± 0.50

6.44

1.22

18.80

4.36

7.40

5.90 ± 0.42

5.93

1.04

17.65

9.03

13.18

10.65

± 0.73

10.04

1.78

16.75

C/N (%)

19.00

33.00

26.00 ± 2.59

26.00

6.36

24.45

23.00

34.00

28.17 ± 1.83

28.00

4.49

15.94

13.00

27.00

22.00 ± 1.93

23.00

4.73

21.51

Available P (ppm)

13.38

185.92

69.39 ± 26.09

53.34

63.90

92.08

5.68

49.71

20.73 ± 6.65

16.15

16.28

78.55

5.61

35.36

18.32 ± 3.91

17.26

9.57

52.26

K+ (cmol∙kg−1)

0.74

3.76

1.75 ± 0.49

1.17

1.19

68.17

1.02

2.62

1.70 ± 0.30

1.31

0.72

42.55

0.23

1.62

0.86 ±

0.22

0.75

0.55

63.75

Na+ (cmol∙kg−1)

0.01

0.01

0.01

± 0.00

0.01

0.00

0.00

0.01

0.34

0.29 ± 0.06

0.34

0.13

47.27

0.01

0.01

0.01 ± 0.00

0.01

0.00

0.00

Ca2+ (cmol∙kg−1)

1.52

7.04

4.01

±

0.94

3.52

2.30

57.34

2.24

11.84

7.80 ± 1.41

8.72

3.46

44.39

1.92

7.68

4.49 ± 0.77

4.64

1.89

42.17

Mg2+ (cmol∙kg−1)

0.24

1.04

0.68 ± 0.12

0.68

0.29

41.93

0.16

3.12

1.43 ± 0.40

1.24

0.98

68.90

0.64

6.08

2.73 ± 0.82

2.28

2.01

73.59

SCE (cmol∙kg−1)

3.83

10.23

6.45 ± 1.02

6.19

2.49

38.62

5.32

14.00

11.21 ± 1.35

12.43

3.31

29.55

4.32

10.12

8.09 ± 0.83

8.73

2.04

25.16

CEC (cmol∙kg−1)

20.32

29.28

23.79 ±

1.39

22.88

3.41

14.35

19.28

26.08

23.23 ± 1.07

23.12

2.63

11.32

19.68

29.28

22.53 ± 1.41

21.28

3.46

15.36

TSC (%)

16.00

48.00

28.00 ± 5.41

22.50

13.25

47.33

25.00

73.00

48.83 ±

6.74

47.50

16.51

33.81

21.00

46.00

36.17 ± 3.79

37.50

9.28

25.67