Abstract
In a model experiment, the effect of waste from deep processing of algae on the properties of mineral soil was investigated. In the experiment, sod-podzolic soil of different granulometric composition was used: sandy loam, clay and medium loam. The experiments were laid in vessels, in different versions. As a control, the studied soil was used without the introduction of algae (sandy loam, clay, loam). We used 500 g of mineral soil per 1 vessel and waste from deep processing of fucus vesiculata at a dose of 2% and 0.5% of the soil weight. As a result of the research, new data were obtained on the dynamics of organic carbon content in mineral soils (sod-podzolic clay, sod-podzolic loam, sod-podzolic sandy loam) when brown seaweed was introduced as a meliorant. The use of Fucus vesiculosus L. as a meliorant (0.5-2%) contributes to a significant increase in carbon, phosphorus, and exchangeable calcium in the soil, resulting in a decrease in soil acidity. Keywords: ALGAE, SOD-PODZOLIC SOILS, SANDY LOAM SOIL, CLAY SOIL, MEDIUM LOAM
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