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 also includes: - manufacture of potting soil mixtures of natural soil, peat, sand, clays and minerals, with nitrogen, phosphorus or potassium as an essential constituent - manufacture of other fertilisers by the mixing or chemical treatment of animal or vegetable products

This class excludes: - mining of guano, see 08.91 - manufacture of agrochemical products (e.g. pesticides), see 20.20 - manufacture of liming agents, see 20.59 - production of waste compost, see 38.21