Trust assets transferred by the Secretary of Agriculture of the United States to the State of Illinois under Section 2 or any other assets, funds, or monies received pertaining to the administration of this Act shall be deposited and held by the State Treasurer as ex officio custodian thereof, separate and apart from all public money or funds of this State in a special trust fund outside of the State Treasury to be administered by the Director of Agriculture. All disbursements from the fund shall be made only upon warrants of the Auditor of Public Accounts or his successor drawn upon the Treasurer as custodian of this fund, upon vouchers signed by the Director of Agriculture. The Auditor of Public Accounts or his successor is hereby authorized to draw such warrants upon vouchers so signed. The Treasurer shall accept all warrants so signed and shall be released from liability for all payments thereon. All monies from any investments of the assets of this special trust fund shall be paid into such fund.