"Grain" means all products commonly classified as grain, including wheat, corn, oats, barley, rye, field peas, soybeans, clover, and grain sorghum. The term does not include grain which has been produced or packaged for purchase or distribution as seed [...]

(3) "Grain" means all products commonly classed as grain, such as wheat, corn, oats, barley, rye, rice, field peas, soybeans, clover, grain sorghum, and other products ordinarily stored in grain warehouses.