| 喷施后天数 (d) | SPAD值 | |||
| 对照 | EBR1 | EBR2 | EBR3 | |
| 3 | 44.64 | 45.52 | 47.87 | 47.18 |
| 6 | 43.22 | 45.13 | 46.05 | 46.27 |
| 9 | 38.75 | 39.95 | 40.06 | 40.48 |
| 12 | 32.74 | 34.95 | 36.91 | 38.43 |
| 15 | 30.38 | 33.24 | 33.53 | 36.72 |
| 18 | 28.44 | 30.95 | 31.26 | 34.42 |
| 21 | 26.39 | 29.25 | 30.15 | 31.76 |
| 24 | 22.87 | 26.52 | 27.57 | 29.85 |
| 27 | 20.78 | 25.18 | 26.53 | 27.16 |
| 30 | 15.79 | 22.98 | 24.82 | 25.45 |