In the manner provided in section 4:1-5 of this Title, any vacancy in the membership of the board arising from death or resignation, shall be filled, for the unexpired term only, by election of a farmer by the convention for recommendation to the Governor for appointment by him, with the advice and consent of the Senate.
A vacancy arising when the convention is not in session may be filled temporarily by appointment by the Governor on the recommendation of the remaining members of the board. The person so appointed shall serve temporarily until the vacancy is filled in the manner prescribed in this section.
N.J.S. § 4:1-7