Chemical Products for Use in Agriculture, Horticulture and Forestry-Namely, Thickeners, Diluents, Emulsifiers, Dispersants, Stabilizers, Sizing Agents, Promoters and Descalers; Chemical Preservatives-Namely, Fertilizers; Chemicals for Use as Raw Materials in Industry, Agriculture, Horticulture, and Forestry-Namely, Urea, Ammonia, Sulphuric Acid, Nitric Acid, Phosphoric Acid, Ammonium Nitrate, Superphosphate, Ammonium Bicarbonate, Oxygen, Nitrogen, Copper Sulphates, Oxychlorides and Bordeaux M...