(1) The department by regulations shall provide:
(a) For the organization within each community of a voluntary association, in which all agricultural producers who are citizens of this state and residents in such community shall be entitled to equal participation; for the selection by each such association of a community committee, composed of three members of such association; and for the selection of a chairman of each such community committee;
(b) For the selection by the members of such community committees within each county of a county committee for such county, composed of three members of such community committees, and for the selection of a chairman of each such county committee.