| 1/00 | Ammonium nitrate fertilisers |
| 1/02 | Ammonium nitrate fertilisers Granulation; Pelletisation; Stabilisation; Colouring |
| 3/00 | Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor |
| 5/00 | Fertilisers containing other nitrates |
| 5/02 | Fertilisers containing other nitrates containing sodium or potassium nitrate |
| 5/04 | Fertilisers containing other nitrates containing calcium nitrate |
| 7/00 | Fertilisers containing calcium or other cyanamides |
| 7/02 | Fertilisers containing calcium or other cyanamides Granulation; Pelletisation; De-gassing; Hydrating; Hardening; Stabilisation; Oiling |
| 9/00 | Fertilisers containing urea or urea compounds |
| 9/02 | Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates |
| 11/00 | Other nitrogenous fertilisers |
| 13/00 | Mixtures of nitrogenous fertilisers covered by more than one of main groups C05C 1/00-C05C 11/00 |