The textbook contains up-to-date information on the principles and methods of land reclamation in different natural zones, the relationship of reclamation measures with the soil cover and the adequacy of methods of land reclamation to the natural conditions of the landscape. New methods of reclamation of properties and regimes of saline soils, solonetzes, rocky, swampy and swampy soils, soda soils, sulfide, gypsum, carbonate salinization, etc. are considered.