That the trustees of the University of Illinois shall establish and maintain at the University a Forestry Division in the Agricultural Experiment Station at such time and to such extent as funds are definitely appropriated to the University for forestry investigational purposes. When funds are thus appropriated the experiment station shall make investigations in forestry and allied subjects for the promotion and development of the forestry interests of the State, with special reference to the maintenance and improvement of existing forests and farm woodlots and to the establishment of forest culture on lands better adapted to forestry than to any other use. It shall instruct the people of the State by lecture and bulletin and by the establishment of demonstration forests in the best methods for the planting, care, and utilization of forests and farm woodlots, acting as far as possible in cooperation with the Department of Natural Resources.