| Main Effect/Level† | Yield | Percent N in Grain | N Uptake | Yield: N Ratio | ||||
| g plot−1 | % | g plot−1 | ||||||
| N Treatment | ||||||||
| Control | 84.1 | a | 2.95 | a | 2.08 | a | 35.62 | a |
| 90 AP | 139.9 | b | 3.23 | a | 4.56 | b | 31.66 | b |
| 90 AP + NBPT | 147.2 | b | 3.09 | a | 4.42 | b | 32.87 | b |
| 90 Split V4 | 129.9 | b | 3.04 | a | 3.82 | b | 33.43 | ab |
| 90 Split R1 | 145.9 | b | 3.23 | a | 4.67 | b | 32.05 | b |
| Location | ||||||||
| Bison | 66.0 | a | 3.39 | a | 2.35 | a | 29.95 | a |
| Onida | 192.9 | b | 2.89 | b | 5.47 | b | 36.31 | b |
| ANOVA | ||||||||
| N Treatment | * | NS | *** | * | ||||
| Location | *** | *** | *** | *** | ||||
| N Treatment*Location | NS | * | NS | ** |