SEARCH Articles Figures Tables BIOGEOCHEMICAL CYCLING OF MACROELEMENTS Biogeochemical Cycling of Macroelements in Soils Biogeochemical Cycling of Macroelements in Terrestrial Aquatic Ecosystems Biogeochemical Cycling of Macroelements in the Atmosphere Calcium macroelement Macroelement Macroelement, -nutrient Magnesium macroelement Phosphorus macroelement Potassium macroelement Recovery of Macroelements Sodium macroelement