Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

Abstract Biochar and zeolite are widely used in the remediation of soil contaminated with toxic heavy metals. However, the interaction of these amendments and their effects on grass productivity have not been comprehensively summarized. The aim of this study was to investigate the biological effects...

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Autores principales:	Tomasz Głąb, Krzysztof Gondek, Monika Mierzwa–Hersztek
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a75f3e7396de4a0397fa09021216174a
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spelling	oai:doaj.org-article:a75f3e7396de4a0397fa09021216174a2021-12-02T11:45:01ZBiological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals10.1038/s41598-021-86446-12045-2322https://doaj.org/article/a75f3e7396de4a0397fa09021216174a2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86446-1https://doaj.org/toc/2045-2322Abstract Biochar and zeolite are widely used in the remediation of soil contaminated with toxic heavy metals. However, the interaction of these amendments and their effects on grass productivity have not been comprehensively summarized. The aim of this study was to investigate the biological effects of zeolite and biochar used as soil amendments in the process of remediating soil contaminated with Cd, Pb and Zn. In a pot experiment, the following treatments were applied: zeolite, biochars produced at temperatures of 350 °C and 550 °C, mixtures of biochars and zeolite, and a control treatment without any amendments. The soil amendments were tested on two grass species: tall fescue (Festuca arundinacea Schreb.) and cocksfoot (Dactylis glomerata L.). The root morphometric parameters and aboveground production were determined in 2017 and 2018. Higher biomass production was observed in the tested grasses in the treatments with zeolite alone (0.229 kg DM m−2) or mixed with the biochars (0.239 kg DM m−2) than in control treatment (0.029 kg DM m−2). Zeolite used in contaminated soil significantly affected root biomass and root morphology parameters. Zeolite application resulted in significantly higher root biomass (2.30 mg cm−3) and root length (76.61 cm cm−3) than those in the treatments without zeolite (0.29 mg cm−3 and 6.90 cm cm−3). Biochar as a soil amendment did not affect most root morphometric parameters. The application of biochars only slightly reduced the root diameter of cocksfoot. The root diameter of tall fescue was similar in all treatments (0.075 mm) except the control (0.063 mm) and biochar 550 treatments (0.067 mm), in which slightly thinner roots were observed.Tomasz GłąbKrzysztof GondekMonika Mierzwa–HersztekNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tomasz Głąb Krzysztof Gondek Monika Mierzwa–Hersztek Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
description	Abstract Biochar and zeolite are widely used in the remediation of soil contaminated with toxic heavy metals. However, the interaction of these amendments and their effects on grass productivity have not been comprehensively summarized. The aim of this study was to investigate the biological effects of zeolite and biochar used as soil amendments in the process of remediating soil contaminated with Cd, Pb and Zn. In a pot experiment, the following treatments were applied: zeolite, biochars produced at temperatures of 350 °C and 550 °C, mixtures of biochars and zeolite, and a control treatment without any amendments. The soil amendments were tested on two grass species: tall fescue (Festuca arundinacea Schreb.) and cocksfoot (Dactylis glomerata L.). The root morphometric parameters and aboveground production were determined in 2017 and 2018. Higher biomass production was observed in the tested grasses in the treatments with zeolite alone (0.229 kg DM m−2) or mixed with the biochars (0.239 kg DM m−2) than in control treatment (0.029 kg DM m−2). Zeolite used in contaminated soil significantly affected root biomass and root morphology parameters. Zeolite application resulted in significantly higher root biomass (2.30 mg cm−3) and root length (76.61 cm cm−3) than those in the treatments without zeolite (0.29 mg cm−3 and 6.90 cm cm−3). Biochar as a soil amendment did not affect most root morphometric parameters. The application of biochars only slightly reduced the root diameter of cocksfoot. The root diameter of tall fescue was similar in all treatments (0.075 mm) except the control (0.063 mm) and biochar 550 treatments (0.067 mm), in which slightly thinner roots were observed.
format	article
author	Tomasz Głąb Krzysztof Gondek Monika Mierzwa–Hersztek
author_facet	Tomasz Głąb Krzysztof Gondek Monika Mierzwa–Hersztek
author_sort	Tomasz Głąb
title	Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
title_short	Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
title_full	Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
title_fullStr	Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
title_full_unstemmed	Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
title_sort	biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a75f3e7396de4a0397fa09021216174a
work_keys_str_mv	AT tomaszgłab biologicaleffectsofbiocharandzeoliteusedforremediationofsoilcontaminatedwithtoxicheavymetals AT krzysztofgondek biologicaleffectsofbiocharandzeoliteusedforremediationofsoilcontaminatedwithtoxicheavymetals AT monikamierzwahersztek biologicaleffectsofbiocharandzeoliteusedforremediationofsoilcontaminatedwithtoxicheavymetals
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Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

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