The Department of Agriculture may, so far as other duties will permit, carry on educational lectures and conduct exhibits on forestry within this State in the various colleges and schools of this State, and may also advance forestry education by publication. All colleges and schools supported in whole or in part by the State shall furnish such aid to the Department of Agriculture as circumstances will permit. The Department of Agriculture may also conduct investigations on forestry matters and publish for distribution literature of a scientific or general interest pertaining thereto that may promote the objects of Chapter 10, 26 or 91 of this title.