C05CNITROGENOUS FERTILISERSThe following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: C05C13/00covered byC05C1/00 - C05C11/00 (see internal note after the title of class C05) C05C1/00 C05C1/00Ammonium nitrate fertilisers C05C1/02Granulation apparatus B01J2/00PelletisationStabilisationColouring C05C3/00Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor C05C3/005Post-treatment C05C5/00Fertilisers containing other nitrates C05C5/005Post-treatment C05C5/02containing sodium or potassium nitrate C05C5/04containing calcium nitrate C05C7/00Fertilisers containing calcium or other cyanamides C05C7/02Granulation apparatus B01J2/00PelletisationDegassingHydratingHardeningStabilisationOiling C05C9/00Fertilisers containing urea or urea compounds C05C9/005Post-treatment C05C9/02containing urea-formaldehyde condensates C05C11/00Other nitrogenous fertilisers