; and (2) by adding at the end the following: (2) Reenrollment limitation for certain land Land subject to a contract entered into under this subchapter shall be eligible for only one reenrollment in the conservation reserve under paragraph (1) if the land is devoted to hardwood trees. . 2202. Farmable wetland program (a) Program required Section 1231B(a)(1) of the Food Security Act of 1985 ( 16 U.S.C. 3831b(a)(1) ) is amended by striking 2018 and inserting 2023 . (b) Eligible acreage Section 1231B(b)(2) of the Food Security Act of 1985 ( 16 U.S.C. 3831b(b)(2) ) is amended to read as follows: (2) Buffer acreage Subject to subsections (c) and (d), an owner or operator may enroll in the conservation reserve, pursuant to the program established under this section, buffer acreage that, with respect to land described in subparagraph (A), (B), or (C) of paragraph (1)— (A) is contiguous to such land; (B) is used to protect such land; and (C) is of such width as the Secretary determines is necessary to protect such land, taking into consideration and accommodating the farming practices (including the straightening of boundaries to accommodate machinery) used with respect to the cropland that surrounds such land. . (c) Program limitations Section 1231B(c) of the Food Security Act of 1985 ( 16 U.S.C. 3831b(c) ) is amended— (1) in paragraph (1)(B), by striking 750,000 and inserting 500,000 ; (2) in paragraph (2), by striking Subject to paragraph (3), any acreage and inserting Any acreage ; and (3) by striking paragraphs (3) and (4). (d) Duties of owners and operators Section 1231B(e) of the Food Security Act of 1985 ( 16 U.S.C. 3831b(e) ) is amended— (1) in paragraph (2), by striking the semicolon and inserting ; and ; (2) by striking paragraph (3); and (3) by redesignating paragraph (4) as paragraph (3). (e) Duties of the Secretary Section 1231B(f) of the Food Security Act of 1985 ( 16 U.S.C. 3831b(f) ) is amended— (1) in paragraph (1), by striking paragraphs (2) and (3) and inserting paragraph (2)