Table 1.
Effects of drought stress under two nitrogen rates on dry matter production and relative growth rate growth rate during growth periods of wheat.
| Relative growth rate (mg/g/day) | Dry matter production (g/pot) | Pre-droughtlimitation (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Nitrogen rates | Water regimes | Tillering–jointing | Jointing–anthesis | Anthesis–maturity | Tillering | Jointing | Anthesis | Maturity | Maturity |
| N0.24 | ST | 10.69d | 22.78b | 12.21c | 5.65d | 14.78c | 67.02c | 102.63c | 18.7c |
| MT | 11.94c | 26.03a | 15.06ab | 6.38c | 20.8ab | 80.20b | 118.77ab | 7.6e | |
| SJ | 13.73ab | 20.41c | 11.54d | 8.79a | 12.47d | 61.69d | 87.5d | 29.1a | |
| MJ | 14.98a | 23.66b | 14.49b | 8.81a | 17.97b | 69.52c | 109.53b | 11.2d | |
| WW | 13.73ab | 25.84a | 15.68a | 8.68a | 22.23a | 85.27a | 132.3a | 0.00 | |
| N0.16 | ST | 9.55f | 21.9bc | 12.54c | 5.02d | 11.42d | 53.82e | 85.6d | 21.5b |
| MT | 10.7e | 22.84b | 13.69b | 5.71b | 14.4c | 58.55d | 92.3d | 12.3d | |
| SJ | 12.88b | 18.31d | 10.7e | 7.27b | 9.66e | 50.6d | 82.23d | 31.8a | |
| MJ | 13.15b | 20.06c | 12.25c | 7.96b | 13.13c | 55.11e | 91.6d | 21.9b | |
| WW | 12.94b | 26.35a | 14.6b | 7.65b | 18.99b | 66.12c | 105.17c | 0.00 | |
Different lowercase letters following the data within the same column indicate significant differences at p < 0.05.