There is created in the state treasury a revolving fund to be known as the “conservation planting revolving fund”. The conservation planting revolving fund shall consist of money appropriated to the fund by the legislature, all receipts from the sale of trees for conservation plantings and any other revenues directed to the fund. Expenditures may be made from the conservation planting revolving fund upon vouchers signed by the state forester and warrants issued by the secretary of finance and administration for the purpose of purchasing, selling or distributing trees to New Mexico landowners, schools, civic or community groups or other organizations for conservation plantings or generally to protect or enhance the state’s environment. Money in the conservation planting revolving fund shall not revert to the state general fund.