2018
DOI: 10.1016/j.ecoenv.2017.09.049
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A critical review on speciation, mobilization and toxicity of lead in soil-microbe-plant system and bioremediation strategies

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Cited by 422 publications
(132 citation statements)
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“…Comparatively, concentrations of root Pb were lower in CMC and SMC treated samples than that of the samples treated with other amendments. We assume that in CMC and SMC treated samples, Pb not only stabilized as insoluble Pb compounds in root surface [64] and in tailings [65], but also immobilized through the fixation by organic matter under favorable pH and EC [66]. In contrast, the increased Pb uptake by A. fruticosa roots in SS, WB and AFS treated tailings might be explained by their higher bioavailable Pb concentrations due to high salinity.…”
Section: Effect Of Amendments On Pb Zn CD and Cu Uptake By A Frutimentioning
confidence: 94%
“…Comparatively, concentrations of root Pb were lower in CMC and SMC treated samples than that of the samples treated with other amendments. We assume that in CMC and SMC treated samples, Pb not only stabilized as insoluble Pb compounds in root surface [64] and in tailings [65], but also immobilized through the fixation by organic matter under favorable pH and EC [66]. In contrast, the increased Pb uptake by A. fruticosa roots in SS, WB and AFS treated tailings might be explained by their higher bioavailable Pb concentrations due to high salinity.…”
Section: Effect Of Amendments On Pb Zn CD and Cu Uptake By A Frutimentioning
confidence: 94%
“…The notion of using metal accumulator plants for the removal of heavy metals and several other contaminants in phytoremediation was first introduced in 1983, but this idea has already been implanted for the last 300 years [40]. Phytoremediation is known by different names such as agro-remediation, green remediation, vegetative remediation, green technology and botano remediation [4,41,42].…”
Section: Phytoremediationmentioning
confidence: 99%
“…Once the plant has soaked up all the contaminants, they can easily be harvested and disposed [69]. Plants for rhizofiltration should have the ability; to produce a widespread root system, accumulate high concentrations of heavy metals, be easy to handle and have low maintenance cost [42,70]. Both aquatic and terrestrial plants with long fibrous root systems can be used in rhizofiltration [70].…”
Section: Rhizofiltrationmentioning
confidence: 99%
“…On the other hand, the lower acidic soil pH will increase the solubility of Cd (Reddy & Patrick, 1977), through hydrolysis Cd will form as Cd(OH) + at the higher pH, which leads to the improvement of Cd sorption capacity into soils (Sun, Chen, Chao, & Sun, 2007). Pb is mainly found as an insoluble chemical compound in alkaline pH, such as PbCO 3 and Pb 3 (PO 4 ) 2 (Kushwaha, Hans, Kumar, & Rani, 2018). Previous studies also found that P amendments could be applied to stabilize heavy metals in soil (Cui et al, 2017).…”
Section: Factors Affecting CD and Pb Transport In Soilsmentioning
confidence: 99%