Petrographic and mineralogical structure of alluvial meadow dark-coloured soils of delta of the river of Volga

Petrographic and mineralogical structure of alluvial meadow dark-coloured soils of delta of the river of Volga

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Results of research of petrographic and mineralogical structure of alluvial meadow dark-coloured soils are resulted.Studying soil parts has opi chill em with kindness allowed to receive the qualitative and quantitative characteristic of clay minerals.Their influence on physical properties is established.At an intensive irrigation of cultivated j&d manufacturing website cultures mobili-sation possibilities of K and other biogene elements from soil decrease.