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Long-term Cu stabilization and biomass yields of Giant reed and poplar after adding a biochar, alone or with iron grit, into a contaminated soil from a wood preservation site

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorOUSTRIERE, Nadège
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMARCHAND, Lilian
hal.structure.identifierInstitut des Sciences de la Terre d'Orléans - UMR7327 [ISTO]
hal.structure.identifierBiogéosystèmes Continentaux - UMR7327
dc.contributor.authorLOTTIER, Nathalie
hal.structure.identifierInstitut des Sciences de la Terre d'Orléans - UMR7327 [ISTO]
hal.structure.identifierBiogéosystèmes Continentaux - UMR7327
dc.contributor.authorMOTELICA-HEINO, Mikael
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMENCH, Michel
dc.date.issued2017
dc.identifier.issn0048-9697
dc.description.abstractEnA 2-year pot experiment was carried out to examine the aging effect of biochar (B), alone or combined with iron grit (Z), on Cu stabilization and plant growth in a contaminated soil (964 mg Cu kg− 1) from a wood preservation site. The experiment consisted in 3 soil treatments, either planted with Arundo donax L. (Ad) or Populus nigra L. (Pn): (1) untreated Cu-contaminated soil (Ad, Pn); (2) Unt + 1% (w/w) B (AdB, PnB), and (3) Unt + 1% B + 1% Z (AdBZ, PnBZ). After 22 months, the soil pore water (SPW) was sampled and roots and shoots were harvested. The SPW compositions at 3 and 22 months were compared, showing that the SPW Cu2 + concentration increased again in the PnB and PnBZ soils. Cultivation of A. donax enhanced the dissolved organic matter concentration in the SPW, which decreased its Cu2 + concentration but promoted its total Cu concentration in the Ad and AdB soils. Adding Z with B reduced both SPW Cu2 + and Cu concentrations in the pots cultivated by A. donax and P. nigra as compared to B alone. The B and BZ treatments did not enhance root and shoot yields of both plant species as compared to the Unt soil but their shoot Cu concentrations were in the range of common values.
dc.description.sponsorshipDéveloppement de procédés chimiques éco-innovants pour valoriser les biomasses issues des phytotechnologies - ANR-13-CDII-0005
dc.language.isoen
dc.publisherElsevier
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/
dc.subject.enIn situ stabilization
dc.subject.enPopulus nigra L.
dc.subject.enArundo donax L.
dc.subject.enPhytomanagement
dc.subject.enSoil pore water
dc.subject.enCopper contamination
dc.title.enLong-term Cu stabilization and biomass yields of Giant reed and poplar after adding a biochar, alone or with iron grit, into a contaminated soil from a wood preservation site
dc.typeArticle de revue
dc.identifier.doi10.1016/j.scitotenv.2016.11.048
dc.subject.halPlanète et Univers [physics]
dc.subject.halPlanète et Univers [physics]/Interfaces continentales, environnement
bordeaux.journalScience of the Total Environment
bordeaux.page620-627
bordeaux.volume579
bordeaux.peerReviewedoui
hal.identifierinsu-01414495
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//insu-01414495v1
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