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Updated: Feb 16, 2026

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil
Published on: October 10, 2025
Initial data on biological activity of taiga-steppe soils in the lower reaches of the Kolyma River
M V Schelchkova1, S P Davydov2, D G Fyodorov-Davydov3
1Ammosov Northeastern Federal University, Yakutsk, Russia. mar-shchelchkova@yandex.ru.
Abstract:
Microbiological and enzyme activities of extrazonal taiga-steppe soils in the lower reaches of the Kolyma River have been studied for the first time. Contrary to north-taiga cryometamorphic soils, predominating in the area, microbial cenoses under herb-sedge petrophytic and grass-sagebrush-herb thermophytic steppes are characterized by features typical for arid soils. The saturation of the soil profile with microorganisms is greater, and the development of actinomycetes is more intensive. The enzyme complex is characterized by high activity of dehydrogenases.
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