The board of county commissioners of any county is hereby authorized to purchase such supplies and equipment as may be necessary to carry out any control program adopted by them, to prepare the same for use, and sell the same at cost to the owners, occupants and lessees of lands infested by any agricultural pests, and also to adopt such rules and regulations governing the use of such supplies and equipment as may be necessary to prevent the same from doing any damage to the livestock or property of another, whether on public or private lands. Such commissioners are also empowered to engage such person or persons as may be necessary to supervise any control program adopted by them, and control any such agricultural pests, and to pay such person or persons a reasonable compensation for their services in addition to their reasonable and actual living and traveling expenses.