; and (ii) newly enrolled during fiscal years 2019 through 2028. . (c) Payment rates Section 1234 of the Food Security Act of 1985 ( 16 U.S.C. 3834 ) is amended— (1) in subsection (c)— (A) by redesignating paragraphs (1) and (2) as subparagraphs (A) and (B), respectively, and indenting appropriately; and (B) by inserting before subparagraph (A) (as so redesignated) the following: (1) Signing and practice incentive payments (A) In general In the case of a continuous enrollment contract, the Secretary may make a signing incentive payment or a practice incentive payment to an owner or operator of eligible land in an amount sufficient to encourage participation in the program established under this subchapter. (B) Limitation on making payments The Secretary may only make a payment described in subparagraph (A) if the national average market price received by producers during the previous 12-month marketing year for all covered commodities is greater than the national average market price received by producers during the most recent 10 marketing years for all covered commodities. (2) Tree thinning and other practices ; (2) in subsection (d)— (A) in paragraph (3), by adding at the end the following: (D) Priority for low cost offers In determining the acceptability of contract offers for new general enrollments, the Secretary shall— (i) give priority to a contract offer that maximizes the conservation value of the land that is the subject of the contract offer relative to the cost of the contract; and (ii) assign the cost value factor described in clause (i) a weight of not less than 25 percent in any ranking scheme used by the Secretary in determining the acceptability of contract offers. ; (B) in paragraph (5)— (i) in subparagraph (C)— (I) by striking The Secretary may use and inserting With respect to ; and (II) by striking rental rates and inserting the following: “rental rates, the Secretary— (i) shall apply the limitation described in subsection (g)(1)(A); and (ii) may use the estimates