2011
DOI: 10.1016/j.envpol.2010.09.037
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Effects of biochar and the earthworm Eisenia fetida on the bioavailability of polycyclic aromatic hydrocarbons and potentially toxic elements

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Cited by 260 publications
(100 citation statements)
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“…Cui et al (2011Cui et al ( , 2012 reported that crops responded to biochar application, and heavy metals contents of harvested plant tissues and grains were significantly reduced. Gomez-Eyles et al (2011) observed significant reductions in available Cd and Cu and increases in pH two months after soils received the biochar treatments. Following amendment at rates of 4% and 8%, the biochar reduced plant-available Cu, Ni, Zn, and Pb of the affected soils.…”
Section: Introductionmentioning
confidence: 92%
“…Cui et al (2011Cui et al ( , 2012 reported that crops responded to biochar application, and heavy metals contents of harvested plant tissues and grains were significantly reduced. Gomez-Eyles et al (2011) observed significant reductions in available Cd and Cu and increases in pH two months after soils received the biochar treatments. Following amendment at rates of 4% and 8%, the biochar reduced plant-available Cu, Ni, Zn, and Pb of the affected soils.…”
Section: Introductionmentioning
confidence: 92%
“…Polyaromatic hydrocarbons (PAHs) were detected in the biochar at concentrations below environmental concern, but no evidence of oxidative stress, indicating uptake of these potentially toxic compounds, occurred [50]. Gomez-Eyles et al [55] also conducted 28-day and 56-day toxicity studies but the scope of the study was designed to evaluate the deciduous hardwood-derived biochar as a bioremediation tool. The biochar was mixed into a contaminated soil collected from a gas works site at 10%.…”
Section: Synthetic Pyrolysis Charmentioning
confidence: 99%
“…Controls are required to ensure that biochar applied to soil does not exceed acceptable thresholds for heavy metals and other possible contaminants. Biochar application to contaminated soils can, in fact, reduce the availability of some heavy metals (Namgay et al, 2010;Uchimiya et al, 2012) and PAH (Gomez-Eyles et al, 2011).…”
Section: Biochar Utilizationmentioning
confidence: 99%