| Infiltrometer | Regression equations | R2 |
| 1 | Y = 0.0003X + 0.0326 | 0.993 |
| 2 | Y = 0.0001X + 0.039 | 0.986 |
| 3 | Y = 0.0001X + 0.0327 | 0.961 |
| 4 | Y = 0.0004X + 0.0332 | 0.981 |
| 5 | Y = 0.0003X + 0.0314 | 0.971 |
| 6 | Y = 0.0003X + 0.0328 | 0.938 |