“…In economically progressive countries the understanding and development of the concept of SH originated due to the high requirements for food and feed quality, as well as due to concern for the fate of the soil state. This has led to a number of the definitions which today dominate in conceptions of SH (Karlen et al, 1997;Sokolov et al, 2010;Karlen et al, 2008;Doran and Zeiss, 2000;Anderson, 2003). There is also an opinion on the need to consider physical and chemical indices of soil quality as the components of its health Van Bruggen and Semenov, 2000;Semenov, 2015).…”