Notice of the public hearing shall be mailed to a list of producers within the proposed zone at least 10 days prior to such hearing. The list of producers shall be established in accordance with the provisions of Sections 59646, 59647, 59648, and 59649. A notice of such public hearing shall also be given at least 10 days prior to such hearing by publication pursuant to Section 6061 of the Government Code in the area proposed as the proration zone. If the proposed proration zone includes areas that are noncontiguous, the director shall hold a hearing in each.