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2021, № 5 (47) |
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ECOLOGY
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Vilkova V.V., Kazeev K.Sh., Shkhapatsev A.K., Nizhelsky M.S., Kolesnikov S.I. |
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Pyrogenic impact on biology activity of chernozem in model experiments |
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The influence of the pyrogenic effect on the biological properties of Haplic chernozem was investigated. For this, a series of model experiments was set up to simulate fires of various duration and intensity. A significant change in the biological properties of soils was found, as well as differences in the reactions of biological indicators to the pyrogenic effect. In different experiments, a different nature of changes in the reaction of the soil environment and the content of organic carbon, an increase in the content of readily soluble salts, was established. In all experiments, inhibition of catalase activity was noted, changes in peroxidase activity were more contradictory. In one of the experiments, stimulation of peroxidase activity was found. In order to study the methods of restoring the biological activity of post-pyrogenic soils, a model experiment was carried out using potassium humate, complex mineral fertilizer and phytoremediation. At the same time, no unambiguous results were obtained that would make it possible to recommend methods for the accelerated recovery of post-pyrogenic soils.
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