A conservation agreement entered into between a county or city and a landowner pursuant to N.C. Gen. Stat. § 106-743.1(a)(2) shall be irrevocable for a period of at least 10 years from the date the agreement is executed. At the end of its term, a conservation agreement shall automatically renew for a term of three years, unless notice of termination is given in a timely manner by either party as prescribed in the ordinance establishing the enhanced voluntary agricultural district. The benefits set forth in this Part shall be available to the farmland that is the subject of the conservation agreement for the duration of the conservation agreement. (2005-390, s. 5.)