| Tillage treatment, T | Grain yield (kg ha−1) | Stover yield (kg ha−1) | ||||||||
| Irrigation levels, I | Irrigation levels, I | |||||||||
| I0 | I1 | I2 | I3 | Mean | I0 | I1 | I2 | I3 | Mean | |
| CTf | 501 | 1161 | 983 | 879 | 881 | 1533 | 2266 | 2098 | 1983 | 1970 |
| NT + R | 2530 | 3880 | 3803 | 3731 | 3486 | 4973 | 5912 | 5872 | 5743 | 5625 |
| NT ? R | 2397 | 3805 | 3657 | 3574 | 3358 | 4697 | 5815 | 5902 | 5823 | 5559 |
| CTm + R | 2989 | 4151 | 4156 | 3994 | 3823 | 5483 | 6310 | 6328 | 6328 | 6113 |
| CTm ? R | 2802 | 3956 | 3893 | 3803 | 3614 | 5180 | 6008 | 6060. | 6155 | 5851 |
| RT + R | 2887 | 3980 | 4108 | 4048 | 3756 | 5313 | 6285 | 6282 | 6207 | 6022 |
| RT ? R | 2804 | 3906 | 3842 | 3754 | 3576 | 5188 | 5922 | 5957 | 5905 | 5743 |
| Mean | 2416 | 3548 | 3492 | 3398 | 3213 | 4624 | 5502 | 5500 | 5449 | 5269 |
| Factors: T I T × I LSD (P = 0.05) 122 64 185 | T I T × I 174 96 271 | |||||||||