| Item | Seasonb | N Treatmenta | SEMc | |||
| 0 N | 50 N | 100 N | Mean | |||
| DM mass | CS | 3360 | 3580 | 3945 | 3628d |
|
| (kg/ha) | WS | 2722 | 2492 | 2622 | 2612e |
|
|
| Mean | 3041 | 3036 | 3284 | 3120 | 258 |
| P concentration | CS | 0.28 | 0.24 | 0.22 | 0.25 |
|
| (%) | WS | 0.23 | 0.28 | 0.22 | 0.24 |
|
|
| Mean | 0.25 | 0.26 | 0.22 | 0.25 | 0.01 |
| Forage P mass | CS | 3.4 | 3.6 | 3.9 | 3.6f |
|
| (kg/ha) | WS | 2.7 | 2.5 | 2.6 | 2.6g |
|
|
| Mean | 3.1 | 3.1 | 3.3 | 3.1 | 0.3 |