Incumbent director Bill Wright will be challenged for his Central South Island position on Beef + Lamb NZ.
Mr Wright, who farms at Cannington near Cave will contest the election on March 15 against Nicky Hyslop.
Mr Wright was chairman of the Central South Island Farmer Council for five years.
Mrs Hyslop owns and farms Levels Estate near Timaru with her husband Jonty. She is chairwoman of Irrigation NZ and a director and vice-chairwoman of Aoraki Development and Opuha Water Ltd.
The election will be conducted by postal and internet voting. Voting papers will be posted on February 11.