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Surface mining, as a means of intensive exploitation of mineral raw materials and especially coal, is highly developed area of economy, therefore land degradation is intensive and leading to loss of the productive layer of soil. Biological reclamation of deposol should reduce the harmful consequences of exploitation. The number of systematic and physiological groups of microorganisms and their activities provide correlative information on the biological activity of the soil. In 2011, at thedoi:10.7251/agrsr1403245g fatcat:mcf4cu4uajditp5mllkh3dnjt4