Abstract—
Molecular biology techniques have been applied to study the diversity and biomass of metabolically active prokaryotic cells in an oil-contaminated oligotrophic peat soil at different levels of mineral nutrition. The share of metabolically active components in the peat samples is only about 10% of the entire prokaryotic community. The application of mineral fertilizer (N40P50K50) against the background of half-dose liming has led to a more than twofold increase in the biomass of bacterial and archaeal cells, an increase in the number of functional genes (bss and nifH) copies, and a significant decrease in the content of oil products in the peat of experimental variants. The application of mineral fertilizer against the background liming of oil-to contaminated soil induces changes in the phylogenetic structure and partial restoration of the metabolically active prokaryotic complex.
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This study was supported by the Russian Foundation for Basic Research (project no. 19-29-05197-mk) and, partly, by the federal budget program “Productivity of Agroecosystems and Its Relationship with the Dynamics of Soil Fertility” (registration no. 116020350086-4).
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Manucharova, N.A., Ksenofontova, N.A., Belov, A.A. et al. Prokaryotic Component of Oil-Contaminated Oligotrophic Peat Soil under Different Levels of Mineral Nutrition: Biomass, Diversity, and Activity. Eurasian Soil Sc. 54, 89–97 (2021). https://doi.org/10.1134/S1064229321010105
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DOI: https://doi.org/10.1134/S1064229321010105