| 添加剂种类及水平 | MgSO4 (A) | CaC12 (B) | K2HPO4 + KH2PO4 (C) | Tween80 (D) |
| 1 | 0.02% | 0.02% | 0.2% + 0.1% | 0 |
| 2 | 0.04% | 0.04% | 0.4% + 0.2% | 0.05% |
| 3 | 0.06% | 0.06% | 0.6% + 0.3% | 0.1% |
| 实验编号 | A | B | C | D |
| I | 1 | 1 | 1 | 1 |
| II | 1 | 2 | 2 | 2 |
| III | 1 | 3 | 3 | 3 |
| IV | 2 | 1 | 2 | 3 |
| V | 2 | 2 | 3 | 1 |
| VI | 2 | 3 | 1 | 2 |
| VII | 3 | 1 | 3 | 2 |
| VIII | 3 | 2 | 1 | 3 |
| IX | 3 | 3 | 2 | 1 |