The following agricultural products and commodities are not subject to valuation or to property tax: crops or the produce of any land in the possession of the producer or the agent of the producer; fish in the possession of persons catching, salting, or packing the fish or in the possession of agents until sold; poultry, including hatchery eggs; tobacco stored in the State tobacco warehouse; and regardless of whether they are in their original package, green coffee beans: imported from a foreign country; that are owned by and in possession of the importer; and in which no physical or chemical change has been made by any manufacturing process.