Table 6.
Expressions and performance for the model with five growth stage involved.
| Combination grow stage | Model expression | R2 | RMSE(kg/ha) |
|---|---|---|---|
| TS, JS, BS, HS, FS | y = -1.06-0.05x1 + 0.23x2 + 2.26x3-0.24x4-0.18x5 | 0.83 | 187.25 |
| TS, JS, BS, HS, RS | y = -0.79-0.01x1 + 0.28x2 + 1.82x3-0.21x4-0.14x6 | 0.83 | 188.70 |
| TS, JS, BS, FS, RS | y = -1.02-0.01x1 + 0.23x2 + 1.98x3-0.14x5-0.10x6 | 0.84 | 185.83 |
| TS, JS, HS, FS, RS | y = 0.004 + 0.22x1 + 0.32x2 + 0.54x4 + 0.07x5-0.22x6 | 0.77 | 220.48 |
| TS, BS, HS, FS, RS | y = -1.45 + 0.15x1 + 2.45x3 + 0.05x4-0.25x5-0.03x6 | 0.80 | 204.58 |
| JS, BS, HS, FS, RS | y = -1.04 + 0.24x2 + 2.08x3-0.13x4-0.13x5-0.08x6 | 0.84 | 185.46 |