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Table 2 Summary statistics for studied soil quality indicators

From: Soil quality estimation using environmental covariates and predictive models: an example from tropical soils of Nigeria

Soil indicators

Min

Max

Mean

SD

CV (%)

pH (H2O)

4.90

6.55

5.70

0.48

8.49

SOC (%)

0.78

3.39

1.99

0.58

29.13

Ks (cm/h)

0.12

175.56

19.91

24.50

123.04

\(\rho_{b}\) (Mg/m3)

0.82

1.88

1.33

0.24

18.15

MC (cm3/cm3)

0.00

0.61

0.18

0.11

62.39

TP (%)

15.38

66.67

45.02

10.24

22.74

MWD (mm)

0.23

1.62

0.52

0.23

45.14

Sand (%)

41.60

86.00

66.86

9.77

14.62

Silt (%)

9.00

47.00

24.53

7.48

30.48

Clay (%)

3.00

28.70

8.04

4.78

59.47

SSI

4.42

32.78

11.22

4.48

39.93

  1. SOC soil organic carbon, Ks saturated hydraulic conductivity, \(\rho_{b}\) bulk density, MC moisture content, TP total porosity, MWD mean weight diameter, SSI structural stability index