Abstract
Trends of changes in the properties of solonetzic soil complexes of the dry-steppe and semidesert zones under the impact of land reclamation measures. agricultural use, and further withdrawal of reclaimed land from agricultural use were analyzed. Our own and published data were used as information sources. An expert evaluation of the modern status of reclaimed solonetzes of abandoned fields and feasibility of their return to agriculture was performed. The following reclaimed soils were considered: solonetzic agrozems (Sodic Protosalic Cambisols (Loamic, Aric, Protocalcic)), textural-carbonate agrozems (Eutric Cambisols (Loamic, Aric, Protosalic)), agrosolonetzes (Endocalcaric Luvisols (Loamic, Aric, Cutanic, Protosodic)), agrochestnut soils (Eutric Cambisols (Siltic, Aric)), and meadow-chestnut soils (Haplic Kastanozemz)). Solonetzes of abandoned fields (unmanaged fallow land) with undisturbed solonetzic (natric) horizon restore their structure and properties in a short time and become close to the virgin solonetzes. In the dry-steppe zone, reclaimed solonetzes with the destroyed natric horizon do not restore their profile in the fallow state. For a long time, they preserve the properties gained under the impact of reclamation measures.
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