This class includes :

Manufacture of fertilizers : straight or complex nitrogenous, phosphatic or potassic fertilizers, urea, crude natural phosphates and crude natural potassium salts

Manufacture of associated nitrogen products : nitric and sulfonitric acids, ammonia, ammonium chloride, ammonium carbonate, nitrites and nitrates of potassium

Manufacture of potting soil with peat as main constituent

Manufacture of potting soil mixtures of natural soil, sand, clays and minerals

This class excludes :

Mining of guano, see 0891;

Manufacture of agro-chemical products, such as pesticides, see 2021;

Operation of compost dumps, see 3821.