| Sitea | P | Mean Ponding Depth (cm) | |||
| Line 1 | Line 2 | Line 3 | Line 4 | ||
| A | 0.03 | 5.4ab | 8.2a | 11.5b | 13.1b |
| B | 0.01 | 0.0a | 0.1a | 0.1a | 0.7b |
| C | 0.33 | 0.2 | 0.7 | 1.3 | - |
| D | 0.99 | 0.6 | 0.9 | 0.9 | 1.1 |
| E | 0.01 | 0.9a | 6.0b | 5.1b | 0.0a |
| F | <0.01 | 13.9a | 25.3b | 25.9b | 12.4a |