| Seedling age | Water management | ||
| With standing water | Without standing water | Mean | |
| 10-d old | 29.28 ab | 32.78 a | 31.03 a |
| 14-d old | 31.33 ab | 26.25 b | 28.79 b |
| Mean | 30.31 ab | 29.52 b | |