Selected Properties of Soil-like Substrates Made from Mine Coal Waste and Their Effect on Plant Yields

Grażyna Żukowska, Magdalena Myszura-Dymek (), Szymon Roszkowski () and Magdalena Olkiewicz
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Grażyna Żukowska: Faculty of Agrobioengineering, Institute of Soil Science and Environment Shaping, University of Life Sciences in Lublin, Ul. St. Leszczynskiego 7, 20-069 Lublin, Poland
Magdalena Myszura-Dymek: Faculty of Agrobioengineering, Institute of Soil Science and Environment Shaping, University of Life Sciences in Lublin, Ul. St. Leszczynskiego 7, 20-069 Lublin, Poland
Szymon Roszkowski: Department of Geriatrics, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Jagiellonska 13/15, 85-067 Bydgoszcz, Poland
Magdalena Olkiewicz: Eurecat, Centre Tecnològic de Catalunya, Unitat de Tecnologia Química, Marcel·lí Domingo 2, 43007 Tarragona, Spain

Sustainability, 2023, vol. 15, issue 18, 1-19

Abstract: To reduce the environmental damage caused by coal waste landfills, it is necessary to look for rational methods for their management. One method for their development is the creation of soil-like substrates. This study aimed to assess the properties of soil-like substrates from coal mining waste, combined with a varied sample of sewage sludge and waste mineral wool. The properties of the substrates were evaluated in a pot experiment. The properties of the substrates and their yield potential were determined. Coal mining waste as a substrate, compared to anthropogenic soil, was characterized by a significantly higher sorption capacity; the content of alkaline cations and pH; significantly higher contents of organic carbon, nitrogen, and available forms of K and Mg; and a lower content of available P. The substrates enriched with sewage sludge showed a significant increase in content of organic carbon, nitrogen, and assimilable forms of P and Mg, as well as the optimization of sorption properties. Extending the composition of substrates with mineral wool resulted in further improvement of their properties. The yields of plants grown on coal mining waste were significantly lower than those of those grown on anthropogenic soil. Substrates with sewage sludge and mineral wool had a significantly higher yield potential.

Keywords: soil-like substrates; coal waste; sewage sludge; mineral wool; yielding plants (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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