As used in the Nebraska Potato Development Act:
(1) Person shall mean and include any natural person, firm, partnership, limited liability company, association, or corporation;
(2) Potato shipper shall mean and include any person engaged in the business of shipping potatoes who, in any calendar year, sells one hundred eighty thousand pounds of potatoes grown in Nebraska, including potato growers who sell one hundred eighty thousand pounds of potatoes not through licensed shippers and any person who utilizes for any purpose in any calendar year one hundred eighty thousand pounds of potatoes grown in Nebraska not purchased from licensed shippers;
(3) Potato grower shall mean the actual grower within the State of Nebraska of at least three acres of potatoes during the crop year; and
(4) Department shall mean the Department of Agriculture.