Biological activity of typical chernozem under Different Cultivation Technologies
https://doi.org/10.32634/0869-8155-2026-404-03-89-94
Abstract
Relevance. The article is devoted to the influence of different technologies of soybean cultivation on the biological properties of typical Chernozems (Haplic Chernozems).
Methods. Research on the study of biological activity of soil was conducted in a field stationary experiment on the influence of agricultural technologies for cultivating crops based on various methods of soil treatment at the Kursk Federal Research Center in 2021–2025. The technologies studied for cultivating soybeans include traditional, differentiated, minimum, and direct sowing.
Results. As a result of the conducted research, it was found that with an increase in the degree of soil processing minimization in the 0–20 cm layer, the content of microbial biomass carbon, cellulose-degrading activity, and the total number of microorganisms increase, with the maximum values of these indicators observed in the case of direct sowing technology. According to the classification of D.G. Zvyagintsev, the biological activity in terms of cellulose degrading activity was assessed as average in the case of direct sowing, and as weak in the other technologies. The assessment of the biological state of typical chernozem using the integral indicator (IPBS) showed its maximum value in direct sowing, and according to the soybean cultivation technology, its value decreased in the following order: minimum technology → traditional technology → differentiated technology. The decrease in the integral indicator of the biological state of the soil under traditional and differentiated technologies indicates a violation of several ecological functions performed by the soil.
Keywords
typical chernozem,
soil layers,
microbial biomass,
biological activity,
total microbial number,
soybean cultivation technology
Supporting agencies: The research was carried out with the support of the Ministry of Education and Science of the Russian Federation within the framework of the State Assignment (Project No. FGZU-2024-001).
About the Authors
E. V. Dubovik
Federal Agricultural Kursk Research Center
Russian Federation
Russian Federation
Elena Valentinovna Dubovik , Doctor of Biological Sciences
70b Karl Marx st., Kursk, 305021
D. V. Dubovik
Federal Agricultural Kursk Research Center
Russian Federation
Russian Federation
Dmitry Vyacheslavovich Dubovik, Doctor of Agricultural Sciences, Professor of the Russian Academy of Sciences
70b Karl Marx st., Kursk, 305021
Yu. M. Myasoedov
Federal Agricultural Kursk Research Center
Russian Federation
Russian Federation
Yurij Mikhailovich Myasoedov, Doctor of Biological Sciences
70b Karl Marx st., Kursk, 305021
P. P. Durakov
Federal Agricultural Kursk Research Center
Russian Federation
Russian Federation
Petr Petrovich Durakov, Postgraduate Student
70b Karl Marx st., Kursk, 305021
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Review
For citations:
Dubovik E.V., Dubovik D.V., Myasoedov Yu.M., Durakov P.P. Biological activity of typical chernozem under Different Cultivation Technologies. Agrarian science. 2026;(3):89-94. (In Russ.) https://doi.org/10.32634/0869-8155-2026-404-03-89-94
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