| Equation | GPO | GPE |
(2013 + 2014 + 2015) | |||
N-30 kg∙ha−1 | |||
|
| 3421 | 3330 |
|
| 3720 | 3740 |
|
| 3520 | 3660 |
|
| 3120 | 3120 |
|
| 3625 | 3705 |
N-90 kg∙ha−1 | |||
|
| 3670 | 3675 |
|
| 3745 | 3730 |
|
| 3690 | 3660 |
|
| 3325 | 3240 |
|
| 3610 | 3595 |
N-150 kg∙ha−1 | |||
|
| 3435 | 3435 |
|
| 3870 | 3920 |
|
| 3945 | 4065 |
|
| 3730 | 3890 |
|
| 3940 | 4020 |
|
| 3685 | 3760 |