| 差异源 | 平方和 | df | 均方 | F | p |
| Intercept | 76780.25 | 1 | 76780.25 | 420.285 | 0.000** |
| 铁磷比 | 639.311 | 3 | 213.104 | 1.167 | 0.397* |
| 反应温度 | 405.463 | 3 | 135.154 | 0.74 | 0.566* |
| pH | 284.808 | 3 | 94.936 | 0.52 | 0.684* |
| Residual | 1096.116 | 6 | 182.686 | ||
| R2 = 0.548 | |||||
| *p > 0.05 (显著性小) **p < 0.01 (显著性大) | |||||