Table 1. Characteristic of growth factors in Robinia pseudoacacia stand.
| Growth factors | No. of plots | Age (year) | Stand density (trees/ha) | DBH (cm) | Height (m) |
| Species |
| Robinia pseudoacacia | 169 | 27 8 − 54 | 1 , 082 311 − 4 , 450 | 15 , 9 4 , 7 − 30.6 | 13.8 2.5 − 30.8 |