The State Department of Corrections is hereby authorized to sell mature trees and other timber suitable for commercial purposes from lands owned by the department. However, the proceeds derived from these sales shall not exceed fifty thousand dollars in any one year. Prior to such sales, the director shall consult with the State Forester to determine the economic feasibility of and obtain approval for such sales. Funds derived from timber sales shall be utilized by the Department of Corrections to maintain and expand the agricultural program subject to the approval of the Budget and Control Board.