The function and main purpose of the board shall be to recognize the important contribution of agriculture to our state through the North Alabama Agriplex, and to act in an advisory capacity to the North Alabama Agriplex. The Agriplex facility or facilities shall preserve, exhibit, display, and interpret artifacts and other materials associated with the agricultural heritage of Alabama at such places as may be designated in Cullman County by the board. The board shall administer and maintain the North Alabama Agriplex as provided in this article.