Table 1.
Descriptive statistics of soil properties in the study areas.
| Soil Properties | Data Set | Min | Mean | Max | STD | IQR | CV (%) | Ske | Kur |
|---|---|---|---|---|---|---|---|---|---|
| SOM (g kg−1) | Entire set (n = 168) | 0.26 | 7.46 | 45.71 | 8.75 | 10.02 | 117.23 | 2.13 | 5.10 |
| Calibration set (n = 112) | 0.26 | 6.85 | 45.71 | 8.38 | 9.39 | 122.40 | 2.24 | 5.90 | |
| Validation set (n = 56) | 0.49 | 7.74 | 42.74 | 9.25 | 10.30 | 119.53 | 2.16 | 5.16 | |
| pH | Entire set (n = 168) | 7.60 | 9.11 | 10.60 | 0.90 | 1.60 | 9.91 | 0.04 | 1.67 |
Standard deviation (SD); the interquartile range of the data samples (IQR); coefficient of variation (CV); skewness (Ske); kurtosis (Kur).