Manufacture of fertilizers 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 with peat as main constituent - manufacture of potting soil mixtures of natural soil, sand, clays and minerals - manufacture of plant bio-stimulants - manufacture of growth promoters - manufacture of soil improvers - manufacture of other fertilisers by the mixing or chemical treatment of animal or vegetable products

This class excludes: - mining of guano, see 0891 - manufacture of agrochemical products, such as pesticides, see 2021 - manufacture of liming agents, see 2029