Five or more associations or corporations organized under this article, or whose purposes and operations are in any way promotive of, and not inconsistent with, the purposes of this article, whether incorporated under this article or not, may organize and incorporate a federation with such incorporated associations as members thereof, such incorporated federation to be managed by a board of directors to be composed of representatives of such constituent member associations. The articles of association and incorporation for such federation shall contain the names of the constituent member associations, and the signatures thereto shall be those of an executive officer of each of the constituent associations. The other procedure and details of incorporation shall be the same as provided in this article for the incorporation of the constituent incorporated associations, and the organization meeting and adoption of bylaws shall be by representatives chosen by the respective constituent members for that purpose, one for each member. In the organization and management of such federation, each constituent member shall be entitled to one vote only, and if any constituent member has more than one representative, as members of the board of directors of said federation, such representatives as directors shall jointly have one vote only, it being intended that such a federation may be incorporated under this article as aforesaid for the purposes and with all the rights and powers given by this article to associations of producers of agricultural products under this article. After such federation has been organized and incorporated as provided in this section, agricultural societies, organizations, associations or corporations whose purposes and operation are in any way promotive of, and not inconsistent with, the purposes of this article, whether incorporated under this article or not, and which are accepted by the federation, may become members of such federation, and any such federation may limit its membership to associations incorporated under this article. Such federation may be organized with capital stock, at the option of the organizing associations, and in that event the provisions of this article applying to capital stock organization of incorporated associations shall apply also to such federation, and the management shall be vested in a board of directors of such number as the bylaws may provide, elected by the shareholders.