| Characteristic | 1Equation | 2Adj R2 | 4Norm (p) |
| 3F | 5Const Var (p) | ||
| 360 days after planting | |||
| Plant height | y = 82.4 + 63.4(1 − e−0.013x) | 20.95 | 40.966 |
| 369.9 | 50.153 | ||
| Stem diameter | y = 1.7 + 1.0(1 − e−0.014x) | 20.96 | 40.999 |
| 399.6 | 50.55 | ||
| Leaf area | y = 10.6 + 94.3(1 − e−0.025x) | 20.98 | 40.984 |
| 3236.5 | 50.643 | ||
| Aboveground dry mass | y = 55.6 + 429.2(1 − e−0.013x) | 20.98 | 40.801 |
| 3161.5 | 50.072 | ||
| 720 days after planting | |||
| Plant height | y = 142.6 + 240.6(1 − e−0.022x) | 20.93 | 40.917 |
| 354.5 | 50.55 | ||
| Stem diameter | y = 1.9 + 2.0(1 − e−0.025x) | ²0.9 | 40.97 |
| 336.1 | 50.431 | ||
| During two years | |||
| Average RGR (plant height) | y = 0.04 + 0.65(1 − e−0.022x) | 20.94 | 40.642 |
| 366.4 | 50.308 | ||
| Average RGR (stem diameter) | y = 0.0028+0.0033(1 − e−0.0176x) | 20.87 | 40.697 |
| 326.5 | 50.462 | ||
| *p < 0.001 | 1y = y0 + a(1 − e−bx) | ||