| Soil type | Area (Sq.m) | Area (Sq.km) | Percentage (%) |
| Vertic Cambisol | 33807163.3 | 33.8 | 31.8 |
| Haplic Cambisol | 77297.5 | 0.1 | 0.1 |
| Pellic Vertisol | 61461421.0 | 61.5 | 57.9 |
| Profoundic Luvisol | 774780.5 | 0.8 | 0.7 |
| Calcaric Regosol | 10066943.2 | 10.2 | 9.5 |
| Total | 106187605.4 | 106.3 | 100.0 |