20.15 - Manufacture of fertilisers and nitrogen compounds

This class includes: - manufacture of fertilisers: . straight or complex nitrogenous, phosphatic or potassic fertilisers . urea, crude natural phosphates and crude natural potassium salts - manufacture of associated nitrogen products: . nitric and sulphonitric acids, ammonia, ammonium chloride, ammonium carbonate, nitrites and nitrates of potassium

This class excludes: - mining of guano, see 08.91 - manufacture of agrochemical products, such as pesticides, see 20.20