1. The state director of agriculture shall within thirty days after receipt of the notice from the clerk of the county commission as provided in subsection 2 of section 263.255 declare such county a “Johnson Grass Extermination Area” and the director of agriculture shall cause suitable notice to be published in a newspaper in the county for three consecutive weeks. The notice shall contain, among other things, that the county has been declared a Johnson grass extermination area and that all property owners in the county shall, not later than April thirtieth of the subsequent year, take steps toward controlling and eradicating Johnson grass on all lands owned by them or under their control.

2. The state director of agriculture shall within ten days after receipt of the notice provided in subsection 1 appoint a three-man county weed control board, composed of citizens of the county, to serve as advisers and to assist in the administration of sections 263.255 to 263.267, and to perform such other duties as prescribed by the director of agriculture. Members of the board shall receive no salary but shall be fairly reimbursed by the county commission for necessary expenses incurred in performance of their duties.