That the board of regents of the college of agriculture and mechanic arts [New Mexico state university] is hereby given supervision of the administration and enforcement of all laws of this state, relating to agriculture, agricultural projects, horticulture, feeds and feed stuffs, insect pests, plant diseases and such subjects pertaining to agriculture and horticulture as the legislature shall hereafter provide, and shall have power to delegate inspectors and agents to assist in the enforcement of such laws.