As used in this subchapter, unless the context otherwise requires:
(1) “Grain” means rice, soybeans, wheat, corn, rye, oats, barley, flaxseed, sorghum, mixed grain, and other food grains, feed grains, and oil seeds;
(2) “Owner” means the farmer who grows and produces grain and includes the owner of the land from which the grain is produced to the extent that he or she has an interest in the grain, and includes persons, firms, and corporations engaged in the growing and producing of grain whether it be as tenant, renter, landowner, or otherwise; and
(3) “Public grain warehouseman” means any person, firm, or corporation who operates any building, structure, or other protected enclosure used for the purpose of storing grain for a consideration.