The object of the research is the process of optimizing of the effective functioning of lease relations in transforming agricultural enterprises. The aim of the research is the development of theoretical, methodological and practical aspects of leasing relations in the use of agricultural land and agricultural property units. Methods of the research: dialectical, monographic, system analysis, economics and mathematical modeling, statistical monitoring, economic grouping, comparison, averaging and relative values, sociological, abstract logic, analysis and synthesis, induction and deduction, analytical, graphical. Theoretical and practical results: the grounding of social and economic importance of functions in the field of land-lease property relationships (social, economic, affiliate, psychological, managerial, entrepreneurial, organizational) that allow to position the company by the criteria of the inputs efficiency, understanding of the concept of "rent relations" on the basis of a retrospective review of the world and their importance and role with both legal and economic content. Systematization of legal regulations as for the development of leasing relations, based on the contract by the tenant string paid possession and use of land and property, and focused on providing business which has features of social and public importance and responsibility. The novelty of the research: the algorithm for determining the rent for the land taking into account the area of land, the interest rate rents, the assessed value of the land, the lease term, the number of lease agreements of land; gross output and the possibility of force majeure are developed. The level of implementation: The results of the research are taken to use by the Department of Agricultural Development of Mykolayiv Administration, the Department of Agricultural Development of Berezansky regional administration, the State Committee of land resources in Mykolayiv region, the State Committee of land resources in Ochakiv area in Mykolayiv region, LLC "Agro" Limanskiy" in Ochakiv area of Mykolayiv region, agricultural enterprise by Potryvaev in Berezan' district of Mykolayiv region, Mykolayiv national Agrarian University. Scope - agricultural economics and agricultural business.
