Table 1.
Factors and weighted values for searching suitable cultivation sites
| Factor | Condition | Weighted value | |
|---|---|---|---|
|
| |||
| FCT | LCT | ||
|
| |||
| Altitude | More than 300 m | 1 | 1 |
| Others | 0 | 0.5 | |
| Aspect | North | 1 | 1 |
| East, northeast, northwest | 0 | 0.67 | |
| Others | 0 | 0.33 | |
| Slope | Less than 30° | 1 | 1 |
| Others | 0 | 0.5 | |
| Forest type (species) | Hardwood forest, Larix leptolepis | 1 | 1 |
| Mixed forest | 0 | 0.67 | |
| Others | 0 | 0.33 | |
| Organic content | Between 2% and 9% | 1 | 1 |
| Others | 0 | 0.5 | |
| Effective soil depth | More than 15 cm | 1 | 1 |
| Others | 0 | 0.5 | |
| Soil texture | Sandy loam, loam, silty clay loam | 1 | 1 |
| Others | 0 | 0.5 | |
| Soil humidity | Suitable humidity | 1 | 1 |
| Others | 0 | 0.5 | |
| Drainage | Good condition | 1 | 1 |
| Others | 0 | 0.5 | |
FCT, factor combination technique; LCT, linear combination technique.