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@article{1833700,
author = {Brtnický, Michael and Datta, Rahul and Holatko, Jiri and Bielská, Lucie and Gusiatin, Zygmunt M. and Kucerik, Jiri and Hammerschmiedt, Tereza and Danish, Subhan and Radziemska, Maja and Mravcova, Ludmila and Fahad, Shah and Kintl, Antonin and Šudoma, Marek and Ahmed, Niaz and Pecina, Vaclav},
article_location = {Amsterdam},
article_number = {November 2021},
doi = {http://dx.doi.org/10.1016/j.scitotenv.2021.148756},
keywords = {Potentially toxic elements; Soil salinity; Soil erosion; Ecotoxicity; Microbial communities},
language = {eng},
issn = {0048-9697},
journal = {Science of the Total Environment},
title = {A critical review of the possible adverse effects of biochar in the soil environment},
url = {https://www.sciencedirect.com/science/article/pii/S0048969721038286?via%3Dihub},
volume = {796},
year = {2021}
}
TY - JOUR
ID - 1833700
AU - Brtnický, Michael - Datta, Rahul - Holatko, Jiri - Bielská, Lucie - Gusiatin, Zygmunt M. - Kucerik, Jiri - Hammerschmiedt, Tereza - Danish, Subhan - Radziemska, Maja - Mravcova, Ludmila - Fahad, Shah - Kintl, Antonin - Šudoma, Marek - Ahmed, Niaz - Pecina, Vaclav
PY - 2021
TI - A critical review of the possible adverse effects of biochar in the soil environment
JF - Science of the Total Environment
VL - 796
IS - November 2021
SP - 1-18
EP - 1-18
PB - Elsevier Science
SN - 00489697
KW - Potentially toxic elements
KW - Soil salinity
KW - Soil erosion
KW - Ecotoxicity
KW - Microbial communities
UR - https://www.sciencedirect.com/science/article/pii/S0048969721038286?via%3Dihub
N2 - Biochar has received extensive attention because of its multi-functionality for agricultural and environmental applications. Despite its many benefits, there are concerns related to the long-term safety and implications of its application, mainly because the mechanisms affecting soil and organism health are poorly quantified and understood. This work reviews 259 sources and summarises existing knowledge on biochar's adverse effects on soil from a multiangle perspective, including the physicochemical changes in soil, reduced efficiency of agrochemicals, potentially toxic substances in biochar, and effects on soil biota. Suggestions are made for mitigation measures. Mixed findings are often reported; however, the results suggest that high doses of biochar in clay soils are likely to decrease available water content, and surface application of biochar to sandy soils likely increases erosion and particulate matter emissions. Furthermore, biochar may increase the likelihood of excessive soil salinity and decreased soil fertility because of an increase in the pH of alkaline soils causing nutrient precipitation. Regarding the impact of biochar on (agro)chemicals and the role of biochar-borne toxic substances, these factors cannot be neglected because of their apparent undesirable effects on target and non-target organisms,respectively. Concerning non-target biota, adverse effects on reproduction, growth, and DNA integrity of earthworms have been reported along with effects on soil microbiome such as a shift in the fungi-to-bacteria ratio. Given the diversity of effects that biochar may induce in soil, guidelines for future biochar use should adopt a structured and holistic approach that considers all positive and negative effects of biochar.
ER -
BRTNICKÝ, Michael, Rahul DATTA, Jiri HOLATKO, Lucie BIELSKÁ, Zygmunt M. GUSIATIN, Jiri KUCERIK, Tereza HAMMERSCHMIEDT, Subhan DANISH, Maja RADZIEMSKA, Ludmila MRAVCOVA, Shah FAHAD, Antonin KINTL, Marek ŠUDOMA, Niaz AHMED and Vaclav PECINA. A critical review of the possible adverse effects of biochar in the soil environment. \textit{Science of the Total Environment}. Amsterdam: Elsevier Science, 2021, vol.~796, November 2021, p.~1-18. ISSN~0048-9697. Available from: https://dx.doi.org/10.1016/j.scitotenv.2021.148756.
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