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Assessment of compost and three biochars associated with Ailanthus altissima(Miller)Swingle for lead and arsenic stabilization in a post-mining Technosol

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Pedosphere 2021年第6期31卷 944-953页

作者： Ibrahim ALIDOU-ARZIKA Manhattan LEBRUN Florie MIARD Romain NANDILLON Gulriz BAYCU sylvain bourgerie Domenico MORABITO University of Orleans INRA USC1328LBLGC EA1207Orleans 45067(France) Division of Botany Department of BiologyFaculty of ScienceIstanbul UniversityIstanbul 34134(Turkey) Department of Bioscience and Territory University of MolisePesche 86090(Italy)

The elevated presence of metal(loid)s in the environment significantly impacts ecosystems and human health and is generally largely due to industrial and mining ***,in the current study,we investigated and proposed an environmentally friendly method(phytomanagement)aimed at reducing the negative impacts associated with metal(loid)pollution through the use of soil amendments(biochar and compost)to permit Ailanthus altissima growth on a highly contaminated mining Technosol,with arsenic(As)and lead(Pb)contents of 539.06 and 11453 mg kg^(-1),*** objective was to examine the impacts of three biochars and compost on i)the physicochemical characteristics of soil,ii)metal(loid)immobilization in soil,and iii)*** *** revealed that the application of biochar as a soil amendment improved soil conditions by increasing soil electrical conductivity,pH,and water-holding ***,concomitantly,we observed a large reduction(99%)in Pb mobility and availability following application of the hardwood biochar in combination with compost(HBCP).Thus,this combined soil amendment was most effective in promoting *** *** addition,the HBCP treatment prevented As translocation in the upper parts of plants,although soil pore water As concentration was not diminished by amendment application.

关键词： amendment metal(loid) mining soil phytomanagement soil pore water

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