; (iii) permit effective enforcement of the conservation purposes of the forest reserve easements; (iv) provide for the efficient and effective establishment or enhancement of forest ecosystem functions and values; and (v) include such additional provisions as the Secretary determines are desirable to carry out the program or facilitate the practical administration of the program. (B) Adjustment of terms To ensure the terms and conditions of a forest reserve easement are consistent with the management objectives of the owner of the eligible land and the purposes of the program, the Secretary may adjust the standard terms and conditions for any forest reserve easement prior to acquiring the forest reserve easement, as long as the adjustment does not conflict with this section. (4) Compensation (A) Permanent easements In the case of eligible land enrolled in a permanent easement under this section, the Secretary shall pay the owner of the eligible land an amount equal to the difference between, as determined by the Secretary— (i) the fair market value of the eligible land before the enrollment in the permanent easement