(1) "Dealer in agricultural products" means any person, association, itinerant dealer, copartnership or corporation engaged in the State in the business of buying, receiving, selling, exchanging, negotiating, processing for resale or soliciting the sale, resale, exchange, or transfer of any agricultural products purchased from the producer or his agent or representative or received on consignment from the producer or his agent or representative or received to be handled on net return basis from the producer.

(2) "Commissioner" means the Commissioner of Agriculture.

(3) "Agricultural products" shall mean and include the natural products of the farm, orchard, vineyard, garden and apiary, raw and manufactured; livestock and poultry products but shall not include tobacco, cotton, dairy products and timber products.

(4) "Net return basis" means a purchase for sale of agricultural products from a producer or shipper at an unfixed or unstated price at the time the agricultural products are shipped from the point of origin, and it shall include all purchases made "at the market price," "at net worth," and on similar terms, which indicate that the buyer is the final arbiter of the price to be paid.

(5) "Consignment" means any transfer of agricultural products by the seller to the custody of another person who acts as the agent for the seller for the purpose of selling such agricultural products.

(6) "Producer" means any producer of agricultural products produced in the State.