Growth performance of cowpea in spent oil-contaminated soils ameliorated with cocoa shell powder and biochar

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dc.contributor.authorOyedeji, Stephen
dc.contributor.authorAnimasaun, David Adedayo
dc.contributor.authorAdemola, Oluwatosin Ife
dc.contributor.authorAgboola, Oludare Oladipo
dc.date.accessioned2021-08-10T07:25:29Z
dc.date.available2021-08-10T07:25:29Z
dc.date.issued2018-11-19
dc.description.abstractThe study assessed the ameliorative potentials of cocoa shell powder and biochar on spent engine oil (SEO) soils using the growth performance of cowpea. Twenty-four polyethylene bags were set up consisting of seven treatments (T1 to T7) contaminated with 2% v/w SEO and control (T0) each replicated three times. Cocoa shell biochar (CSB) was applied to T2, T3 and T4 at rates 0.25%, 0.5% and 1.0% while uncharred cocoa shell powder (CSP) was incorporated into T5, T6 and T7 at rates 0.25%, 0.5% and 1.0%. Chemical properties of CSB, CSP and soil treatments were determined by standard methods. Cowpea seeds were sown and germination and growth parameters were determined at 3 and 6 weeks after sowing. The result showed CSB was alkaline and rich in exchangeable cations. SEO-contamination negatively impacted soil nutrient composition, weakened germination by 27% and negatively affected growth of cowpea. Plants in T0 had significantly highest growth and biomass. CPB (especially 1%) amendment significantly improved leaf initiation and area compared with plants in T1. Growth declined with increasing CSP amendment. In conclusion, conversion of cocoa shells to biochar is necessary eliminate the acidic effects of the raw cocoa shell and effectively condition the soil.en_US
dc.identifier.citationOyedeji, S. vd. (2018). ''Growth performance of cowpea in spent oil-contaminated soils ameliorated with cocoa shell powder and biochar''. Journal of Biological and Environmental Sciences, 12(36), 105-112.tr_TR
dc.identifier.endpage112tr_TR
dc.identifier.issn1307-9530
dc.identifier.issn1308-2019
dc.identifier.issue36tr_TR
dc.identifier.startpage105tr_TR
dc.identifier.urihttp://jbes.uludag.edu.tr/PDFDOSYALAR/36/mak02.pdf
dc.identifier.urihttp://hdl.handle.net/11452/21380
dc.identifier.volume12tr_TR
dc.language.isoenen_US
dc.publisherBursa Uludağ Üniversitesitr_TR
dc.relation.journalJournal of Biological and Environmental Sciencestr_TR
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectContaminantsen_US
dc.subjectCowpeaen_US
dc.subjectEngine oilen_US
dc.subjectGrowthen_US
dc.subjectSoil amendmenten_US
dc.subjectSoil nutrienten_US
dc.titleGrowth performance of cowpea in spent oil-contaminated soils ameliorated with cocoa shell powder and biocharen_US
dc.typeArticleen_US

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2018 Cilt 12 Sayı 36