National approaches to evaluation of the degree of soil degradation

Kartashkin V.A., Abashidze A.Kh.

Lazarenko N.N., Supova M.V., Trunova O.V., Prikuls V.F., Filatova E.V., Larionov K.S., Pankova I.A., Smirnov A.E., Gerasimenko M.Yu.