When the improvement consists in the protection and maintenance of timber or fruit trees or of other useful trees or plants not sown or planted by any of the persons mentioned in section 4, or of such trees or plants spontaneously grown prior to the commencement of the tenancy, the compensation to be awarded shall be the proper cost of such protection and maintenance ascertained as provided in section 9.
12. Power to frame tables of maximum and minimum rates of compensation.
—The Government may prepare for the whole or any part of the State tables showing the maximum and minimum rates of compensation to be awarded under this Act for all or any class of improvements and when such tables have been published, the amount awarded as compensation under sections 7, 8, 9 and 10 shall not ordinarily exceed such maximum rates not shall it in any case be less than such minimum rates.