| Suitability classification | Preliminary study result (used thematic map) | Current study result (used satellite data) | ||
| Area, km2 | % of total area | Area, km2 | % of total area | |
| Highly suitable | 83,030 | 5.30 | 157,707.5 | 10.1 |
| Suitable | 222,457 | 14.2 | 219,716.4 | 14.0 |
| Moderately suitable | 452,747 | 28.9 | 243,498.4 | 15.5 |
| Unsuitable | 249,089 | 15.9 | 255,180.5 | 16.3 |
| Highly unsuitable | 65,797 | 4.20 | 201,514.7 | 12.9 |
| Constraint area* | 482,513 | 30.8 | 488,982.5 | 31.2 |