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Plant testing with hemp and miscanthus to assess phytomanagement options including biostimulants and mycorrhizae on a metal-contaminated soil to provide biomass for sustainable biofuel production

hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorOFORI-AGYEMANG, Felix
hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorWATERLOT, Christophe
hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorMANU, James
hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorLALOGE, Roman
hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorFRANCIN, Romain
dc.contributor.authorPAPAZOGLOU, Eleni
hal.structure.identifierCenter for Renewable Energy Sources, Biomass Department
dc.contributor.authorALEXOPOULOU, Efthymia
hal.structure.identifierUnité de Chimie Environnementale et Interactions sur le Vivant [UCEIV]
dc.contributor.authorSAHRAOUI, Anissa Lounès-Hadj
hal.structure.identifierUnité de Chimie Environnementale et Interactions sur le Vivant [UCEIV]
dc.contributor.authorTISSERANT, Benoît
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMENCH, Michel
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorBURGES, Aritz
hal.structure.identifierLaboratoire de Génie Civil et Géo-Environnement (LGCgE) - ULR 4515 [LGCgE]
dc.contributor.authorOUSTRIÈRE, Nadège
dc.date.issued2024-02-20
dc.identifier.issn0048-9697
dc.description.abstractEnThe need of biofuels from biomass, including sustainable aviation fuel, without using agricultural land dedicated to food crops, is in constant demand. Strategies to intensify biomass production using mycorrhizal fungi, biostimulants and their combinations could be solutions for improving the cultivation of lignocellulosic plants but still lack well-established validation on metal-contaminated soils. This study aimed to assess the yield of Miscanthus x giganteus J.M. Greef & Deuter and Cannabis sativa L. grown on a metal-contaminated agricultural soil (11 mg Cd, 536 mg Pb and 955 mg Zn kg−1) amended with biostimulants and/or arbuscular mycorrhizal fungi, and the shoot Cd, Pb and Zn uptake. A pot trial was carried out with soil collected from a field near a former Pb/Zn smelter in France and six treatments: control (C), protein hydrolysate (a mixture of peptides and amino acids, PH), humic/fulvic acids (HFA), arbuscular mycorrhizae fungi (AMF), PH combined with AMF (PHxAMF), and HFA combined with AMF (HFAxAMF). Metal concentrations in the soil pore water (SPW), pH and electrical conductivity were measured over time. Miscanthus and hemp shoots were harvested on day 90. Both PH and PHxAMF treatments increased SPW Cd, Pb, and Zn concentrations (e.g. by 26, 1.9, and 22.9 times for miscanthus and 9.7, 4.7, and 19.3 times for hemp in the PH and PHxAMF treatments as compared to the control one, respectively). This led to phytotoxicity and reduced shoot yield for miscanthus. Conversely, HFA and HFAxAMF treatments decreased SPW Cd and Zn concentrations, increasing shoot yields for hemp and miscanthus. Shoot Cd, Pb, and Zn uptakes peaked for PH and PHxAMF hemp plants (in μg plant-1, Cd: 310–334, Pb: 34–38, and Zn: 232–309 for PHxAMF and PH, respectively), while lowest values occurred for PH miscanthus plants mainly due to low shoot yield. Overall, this study suggested that humic/fulvic acids can be an effective biostimulant for increasing shoot biomass production in a metal-contaminated soil. These results warrant further investigations of the HFAxAMF in field trials.
dc.language.isoen
dc.publisherElsevier
dc.subject.enBiostimulation
dc.subject.enCannabis sativa L.
dc.subject.enMiscanthus x giganteus
dc.subject.enCadmium
dc.subject.enLead
dc.subject.enZinc
dc.subject.enPhytoremediation
dc.title.enPlant testing with hemp and miscanthus to assess phytomanagement options including biostimulants and mycorrhizae on a metal-contaminated soil to provide biomass for sustainable biofuel production
dc.typeArticle de revue
dc.identifier.doi10.1016/j.scitotenv.2023.169527
dc.subject.halSciences de l'environnement
bordeaux.journalScience of the Total Environment
bordeaux.page169527
bordeaux.volume912
bordeaux.peerReviewedoui
hal.identifierhal-04362740
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04362740v1
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