EN
The content of total, exchangeable and soluble (in 20% HCl) magnesium in soils and parent materials increased as increased the fractions content of soils fractions smaller than 0.02 mm. Significantly higher content of magnesium soluble in 20% HCl was found in than soil fractions than in sand and silt fractions. In soil fractions smaller than 0.02 mm more than 60% of soluble magnesium was found.