Any property acquired by the trustee as aforesaid shall be managed and administered by the trustee under and in accordance with the rules and principles of law and equity pertaining to express trusts generally subject to the jurisdiction of said court to be exercised in said cause by proceedings subsequent to the decree therein. The trustee shall be allowed all proper expenses and disbursements and reasonable compensation to be approved by the court. The trustee shall have power and authority to repair, maintain, protect, preserve and operate or lease the property until such time as a sale or other disposal thereof shall be approved or directed. The trustee may borrow money for any of said purposes, to discharge prior liens, taxes, assessments or other incumbrances against said property or for any other purpose of the trust and may secure such money so borrowed by mortgage of said property or by pledge of the income thereof. Any such mortgage or pledge shall be superior to and binding on the interests of the beneficiaries of said trust. It shall be the duty of the trustee to negotiate and effect a sale or other disposal of the property and make distribution of the proceeds of such sale or disposal to the beneficiaries of the trust at the earliest time at which the same can be done without sacrifice of the fair and reasonable value of such property. Any sale, unless for cash, shall be upon such terms as the court may approve after notice shall have been given to all beneficiaries of the trust in such manner as the court shall direct. No operating contract which is for more than 2 years or borrowing of money, mortgage, sale or other disposal shall be made except by and with the approval and authorization of the court upon notice in such manner as the court shall direct to the beneficiaries of said trust. The court may provide such other terms and conditions of the trust and powers, duties and authority of the trustee, not inconsistent with the foregoing, as to the court shall be deemed to be to the interests of the beneficiaries of the trust as a whole. Upon the complete consummation of a sale or other disposition of all of the trust property the trustee shall render in writing a full and complete report and account of the administration of said trust and of the distribution of the assets, income and proceeds thereof upon which a hearing shall be had after such notice to the beneficiaries of the trust as the court shall direct. If any such trust shall continue for more than 1 year an account and report of the administration of such trust shall be rendered at such times as may be required by the court but at least annually and when any such report shall have been made the final account and report aforesaid shall be required to cover only from the date of the then last account and report.