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Biochar mediated-alleviation of chromium stress and growth improvement of different maize cultivars in tannery polluted soils
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SYSNO ASEP 0553628 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Biochar mediated-alleviation of chromium stress and growth improvement of different maize cultivars in tannery polluted soils Author(s) Bashir, M.A. (PK)
Wang, X. (CN)
Naveed, M. (PK)
Mustafa, Adnan (BC-A) RID, ORCID
Ashraf, S. (PK)
Samreen, T. (PK)
Nadeem, S.M. (PK)
Jamil, M. (PK)Article number 4461 Source Title International Journal of Environmental Research and Public Health. - : MDPI - ISSN 1661-7827
Roč. 18, č. 9 (2021)Number of pages 24 s. Language eng - English Country CH - Switzerland Keywords chromium toxicity ; biochar ; maize ; tannery polluted soils ; antioxidant enzymes ; Kasur and Sialkot Subject RIV DF - Soil Science OECD category Soil science Method of publishing Open access Institutional support BC-A - RVO:60077344 UT WOS 000650316200001 EID SCOPUS 85104542394 DOI 10.3390/ijerph18094461 Annotation Soil pollution with heavy metal is a serious problem across the globe and is on the rise due to the current intensification of chemical industry. The leather industry is one of them, discharging chromium (Cr) in huge quantities during the process of leather tanning and polluting the nearby land and water resources, resulting in deterioration of plant growth. In this study, the effects of biochar application at the rate of 3% were studied on four maize cultivars, namely NK-8441, P-1543, NK-8711, and FH-985, grown in two different tannery polluted Kasur (K) and Sialkot (S) soils. Maize plants were harvested at vegetative growth and results showed that Cr toxicity adversely not only affected their growth, physiology, and biochemistry, but also accumulated in their tissues. However, the level of Cr toxicity, accumulation, and its influence on maize cultivars varied greatly in both soils. In this pot experiment, biochar application played a crucial role in lessening the Cr toxicity level, resulting in significant increase in plant height, biomass (fresh and dry), leaf area, chlorophyll pigments, photosynthesis, and relative water content (RWC) over treatment set as a control. However, applied biochar significantly decreased the electrolyte leakage (EL), antioxidant enzymes, lipid peroxidation, proline content, soluble sugars, and available fraction of Cr in soil as well as Cr (VI and III) concentration in root and shoot tissues of maize plant. In addition to this, maize cultivar differences were also found in relation to their tolerance to Cr toxicity and cultivar P-1543 performed better over other cultivars in both soils. In conclusion, biochar application in tannery polluted soils could be an efficient ecofriendly approach to reduce the Cr toxicity and to promote plant health and growth. Workplace Biology Centre (since 2006) Contact Dana Hypšová, eje@eje.cz, Tel.: 387 775 214 Year of Publishing 2022 Electronic address https://www.mdpi.com/1660-4601/18/9/4461
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