The peculiarities of the wood massif reforestation to the condition of operational suitability are analyzed by the author of the article. The qualitative forecast of possible changes in the forest types and growth conditions as a result of this or that decision implementation in conducting economy activities is characterized. The humus-accumulative part of the profile in the widespread forest types and growth condition types on the territory of the Angara region is researched. The content of calcium, magnesium, sulphate-ions and chloride-ions is determined.
forest type, growth condition type, soil type, soil horizon, magnesium, calcium, organic matter
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