; and (2) by adding at the end the following: (3) Cap on enrollment The Secretary may establish a cap on the number of acres subject to contract modifications described in paragraph (1) with regard to farmers or ranchers transitioning to organic farming or ranching if the Secretary determines that such a cap would be necessary to mitigate any significant erosion of organic commodity premiums. (4) Definition In this section, a farmer or rancher transitioning to organic farming or ranching means a farmer or rancher who agrees to gain organic certification under the Organic Foods Production Act of 1990 ( 7 U.S.C. 6501 et seq.) while the land to be transferred pursuant to a contract modification described in paragraph (1) is subject to a contract under the conservation reserve program. . (b) Conservation stewardship program Section 1238G of the Food Security Act of 1985 ( 16 U.S.C. 3838g ) is amended by adding at the end the following: (j) Establishment of organic transition bundles (1) Availability of organic transition bundles In entering into conservation stewardship contracts under section 1238F, the Secretary shall make organic transition bundles available to producers transitioning to organic production. (2) Eligibility To be eligible for a contract that includes an organic transition bundle, a producer shall agree to gain organic certification under the Organic Foods Production Act of 1990 ( 7 U.S.C. 6501 et seq.) while participating in a contract under the conservation stewardship program. (3) Organic transition bundle In this subsection, the term organic transition bundle means a grouping of conservation activities that the Secretary determines are— (A) appropriate for producers tran­si­tion­ing into organic production, including organic cropping, livestock, and grazing systems