Needs proportional to performance (general)
Nitrogen needs per unit of production
| Crop | Need (kg N / unit of production) | Production unit | Source |
| Oats | 2,2 | q | ARVALIS, 2012 |
| Enriched Wheat | q | ARVALIS, 2015 | |
| Common Wheat | q | ARVALIS, 2014 | |
| Durum Wheat | q | ARVALIS, 2014 | |
| Winter rapeseed | 7,0 | q | CETIOM, 2014 |
| Flax fiber | 10 | t of MS unbeaten green |
|
| Flax seed | 4,5 | q | CETIOM, 2012 |
| Corn | ARVALIS, 2012 and 2015 |
||
| Winter barley and Bere |
2,5 |
q | ARVALIS, 2013 |
| Spring barley | q | ARVALIS, 2013 | |
| Rye | 2,3 | q | ARVALIS, 2012 |
| Sorghum Forage | t of MS | ARVALIS, 2013 | |
| Sorghum grain | q | ARVALIS, 2013 | |
| Tobacco | ANITTA, 2012 | ||
| Sunflower | 4,5 | q | CETIOM, 2012 |
| Triticale | 2,6 | q | ARVALIS, 2012 |