Under the terms and conditions prescribed in its bylaws, an association may admit as members or issue common stock or certificates of membership only to persons engaged in the production of agricultural products, including the lessees and tenants of land used for the production of such products and lessors and landlords who receive as rent part of the crops raised on the leased premises. If a member of a nonstock association shall be other than a natural person, such member may be represented by an individual, associate, officer, manager or member thereof duly authorized in writing. All membership shall be personal to the member and equal in right and shall not be transferable, assignable, vendable, inheritable, devisable or seizable, and each member shall have one vote only.