CPC Main Group C05D 3/00 Calcareous fertilisers (C05D7/00 takes precedence) 2 direct subcodes Child Classifications Navigate with arrow keys, Enter to open C05D 3/02 from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products C05D 3/04 from blast-furnace slag or other slags containing lime or calcium silicates