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Assessment of selenium content in soils and plants using the example of steppe and forest-steppe zones of the Chelyabinsk region
DOI: 10.21443/1560-9278-2026-29-1-54-63
Abstract. The study analyzes the selenium content in the soils and plants of six municipal districts of the Chelyabinsk region: Chesmensky, Troitskiy, Plastovskiy, Uvelskiy, Yemanzhelinskiy and Etkulskiy. The samples were taken during the ripening period of agricultural crops (August – September 2023–2024) and included cereals, buckwheat and oilseeds. The soils are represented by ordinary and leached chernozems. The results have shown that the average selenium content varies from 0.1204 mg/kg in the Plastovsky district to 0.2679 mg/kg in the Yemanzhelinsky one. 42 % of samples are in the optimum zone, while 27 and 31 % of samples are in the zones of marginal insufficiency and selenium deficiency, respectively. Leached chernozems have higher selenium content (0.2009 mg/kg) compared to ordinary chernozems (0.1344 mg/kg). The analysis of correlations has revealed a negative relationship between the selenium content and the pH level of the soil, especially in the Chesmensky and Uvelsky districts. In other areas, this relationship is less pronounced, indicating the influence of other factors such as soil composition and anthropogenic influences. The study has shown that wheat and buckwheat accumulate selenium more efficiently than sunflower. The coefficient of biological absorption of selenium varies depending on the type of soil and the type of plant. The dependence of selenium content on the content of heavy metals (lead, zinc) in soils has been established. The influence of heavy metals on the selenium content varies depending on the area, which is related to the peculiarities of soil conditions and anthropogenic load. The data obtained emphasize the need for further research to develop differentiated strategies for improving the selenium status of agricultural land and increasing crop yields.
Printed reference: Belov M. A. Assessment of selenium content in soils and plants using the example of steppe and forest-steppe zones of the Chelyabinsk region // Vestnik of MSTU. 2026. V. 29, No 1. P. 54-63.
Electronic reference: Belov M. A. Assessment of selenium content in soils and plants using the example of steppe and forest-steppe zones of the Chelyabinsk region // Vestnik of MSTU. 2026. V. 29, No 1. P. 54-63. URL: https://vestnik.mauniver.ru/v29_1_n107/05_Belov_54-63.pdf.
