; regularly recurring data collection through the TOTAL Survey and other Department of Agriculture reports is vital to understanding land tenure trends, challenges, and opportunities. (4) Some of the potential barriers to such participation and adoption include the structure or term of the lease or rental agreement, the level of independence given to the operator, the awareness of the landowner of both conservation practice and program opportunities and the costs and benefits associated with those opportunities, and other policy or market factors. (5) The solutions to these issues are unlikely to be one size fits all and must be better understood. 3. Study (a) In general The Secretary shall carry out a study of the participation in conservation programs of, and the adoption of conservation practices on, leased agricultural land. (b) Collaboration The study under this section shall be carried out in collaboration with the Economic Research Service. (c) Contents The study carried out under this section shall include— (1) a review of relevant existing research literature, including— (A) the Tenure, Ownership, and Transition of Agricultural Land (TOTAL) Survey conducted by the National Agricultural Statistics Service, in collaboration with the Economic Research Service; and (B) the report titled Understanding and Activating Non-Operating Landlords , published by the American Farmland Trust in September, 2020; (2) a review of initiatives conducted by the Cooperative Extension System to increase the adoption of conservation practices on leased agricultural land; (3) identification and quantification of the various types and structures of current agricultural land leasing relationships; (4) research on the history, and estimation of future trends, of agricultural land ownership; (5) examination of what leasing models have been effective in encouraging the adoption of conservation practices; (6) consideration of regional variations