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Vol. 8 pp. 505-522

A.I. Rodzkin, A.A. Vetoshkin

PROSPECTS FOR THE USE OF COMBUSTION RESIDUES FROM SOLID FUELS IN CHEMICAL SOIL MELIORATION AND CROP PRODUCTIVITY ENHANCEMENT

Annotation. The disposal of ash generated from the combustion of fossil fuels (coal, peat) or biomass (straw, wood, solid waste) is an environmental challenge that requires the most effective solution. The chemical composition of ash, which directly determines the appropriate disposal method, depends on several factors—primarily the source material. Accordingly, ash can either be disposed of at waste landfills or reused in industrial production, agriculture, or forestry. The content of heavy metals (Cd, Ni, Pb, Cr, etc.), whose concentrations in peat ash are several times higher than in straw or wood ash, is of particular importance. This implies certain restrictions on the use of peat ash in agricultural crop production; however, it can be effectively applied for chemical melioration of poor and acidic soils. For instance, applying peat ash at a rate of 10 tons per hectare increased soil pH from 5.2 to 5.88, thereby stimulating the growth of woody plants. Wood and straw ash, when applied at scientifically justified rates, can serve as a fertilizer for agricultural crops on arable lands. Moreover, the positive impact of ash application on soil quality has a prolonged effect.

Key words: waste utilization, ash, chemical soil melioration, crop productivity.

For citation: Rodzkin A.I., Vetoshkin A.A. [Prospects for the use of combustion residues from solid fuels in chemical soil melioration and crop productivity enhancement] Upravlenie tekhnosferoi, 2025, vol. 8, issue 3, рр. 505– 522. (In Russ.). DOI: 10.35634/UdSU.2025.40.15.011.

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About the Authors

Oleg Ivanovich Rodkin

Doctor of Biological Sciences, Professor, Director of the educational institution "Sakharov International State Ecological Institute" of the Belarusian State University. 23/1 Dolgobrodskaya St., 220070, Minsk, Republic of Belarus.

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Alexey Andreevich Vetoshkin

Deputy Director for Ideological Work at the Sakharov International State Ecological Institute of the Belarusian State University. 23/1 Dolgobrodskaya St., 220070, Minsk, Republic of Belarus.

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