As used in this part, unless the context otherwise requires:
(1) “Board” means the Tennessee soybean promotion board established by § 43-20-102;
(2) “Commissioner” means the commissioner of agriculture;
(3) “Department” means the department of agriculture;
(4) “Producer” means a person who produces soybeans as an ongoing commercial operation and includes any landowner who shares in the production costs or the proceeds of the sale of any soybeans that are grown on the landowner's land; and
(5) “Purchaser” means any person, public or private corporation, federal commodity credit corporation, association or partnership, buying, accepting shipment or otherwise accepting the property, in or to soybeans from a producer, and includes a mortgagee, pledgee, lienor, or other person, public or private, having a claim against the producer when the actual or constructive possession of the soybeans is taken as part payment or in satisfaction of the mortgage, pledge, lien, or claim.