Any person who hunts deer on public lands or the lands of another during the period designated for firearms hunting of deer shall wear a daylight fluorescent orange outer garment over at least four hundred square inches of his person: Provided, That persons engaged in agricultural occupations shall be exempt from the provisions of this section while hunting deer on their own property. Any person violating any provision of this section is guilty of a misdemeanor, and, upon conviction thereof, shall be fined not less than $5 nor more than $50.