| Shoot high (cm) | Leaf number (piece) | Shoot length (cm) | Stem weight (g) | Leaf weight (g) | Weight ratio of leaf/stem |
| 20 | 4.6 | 5.3 | 24.8 | 21.3 | 0.86 |
| 30 | 4.7 | 8.1 | 23.8 | 18.7 | 0.79 |
| 40 | 6.3 | 13.1 | 25.7 | 17.3 | 0.68 |
| 50 | 7.8 | 16.8 | 29.4 | 17.3 | 0.59 |
| 60 | 7.9 | 17.6 | 31.1 | 18.8 | 0.60 |
| 70 | 8.9 | 18.9 | 27.1 | 15.6 | 0.58 |
| 80 | 8.1 | 18.3 | 20.3 | 8.9 | 0.44 |