Persons engaged in the production of agricultural products as farmers, planters, ranchmen, dairymen, nut growers, or fruit growers may act together in associations, corporate or otherwise, with or without capital stock, in collectively processing, preparing for market, handling, and marketing such products in intrastate commerce. Such associations may have marketing agencies in common, and the associations and their members may make the necessary contracts and agreements to effect such purposes. The associations shall be operated for the mutual benefit of the members thereof, as such producers, and conform to one or both of the following requirements:
Such association shall not deal in the products of nonmembers to an amount greater in value than such as are handled by it for members.
Neb. Rev. Stat. §§ 59-1618