FROZENING OF SOIL SOLUTIONS AS A FACTOR OF THE CHANGING PROPERTIES OF SOILS, THEIR GENESIS AND FERTILITY Статья Savich V.I., Belopukhov S.L., Gukalov V.V., Podvolotskaya G.B., Volkova S.K., Т.А. Науки о Земле. 2017. С. 60-68