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Investigating the suitability of grape husks biochar, municipal solid wastes compost and mixtures of them for agricultural applications to Mediterranean soils

Vamvouka Despoina, Esser Katerina, Komnitsas Konstantinos

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URIhttp://purl.tuc.gr/dl/dias/8699DC35-0B01-4D39-9D58-DD01414D623F-
Identifierhttps://doi.org/10.3390/resources9030033-
Identifierhttps://www.mdpi.com/2079-9276/9/3/33/htm-
Languageen-
Extent14 pagesen
Extent2,74 megabytesen
TitleInvestigating the suitability of grape husks biochar, municipal solid wastes compost and mixtures of them for agricultural applications to Mediterranean soilsen
CreatorVamvouka Despoinaen
CreatorΒαμβουκα Δεσποιναel
CreatorEsser Katerinaen
CreatorΕσσερ Κατεριναel
CreatorKomnitsas Konstantinosen
CreatorΚομνιτσας Κωνσταντινοςel
PublisherMDPIen
Content SummaryPresent work aimed at evaluating the leaching potential of grape husks biochar, municipal solid wastes compost and their combined application as amendments of sandy Mediterranean soil, in order to assess their capability of releasing/retaining nutrients or heavy metals and therefore their suitability for agricultural applications. Grape husks biochar was produced by pyrolysis at 500 °C in a fixed bed unit. Column leaching experiments, simulating Mediterranean rainfall conditions, were conducted. For all compost/biochar/soil combinations, alkali and alkaline earth metals showed greater solubility, increasing the pH of the extracts and thus decreasing the leachability of heavy metals Cr, Cu, Zr and Sr. Biochar co-application with compost did not prevent the leaching of nitrates, phosphates or trace elements; however, it did lower the chemical oxygen demand and allowed the slower release of sodium, calcium and magnesium from soil. As compared to compost, addition of biochar to soil increased the concentration of potassium by 76%, whereas it decreased that of heavy metals in the leachates by 40%–95%. Grape husks biochar could serve as a better soil amendment than municipal solid wastes compost and if carefully managed could be used as liming agent or fertilizer on acidic soils. en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2022-03-09-
Date of Publication2020-
SubjectAmendmenten
SubjectBiocharen
SubjectComposten
SubjectSoil leachingen
Bibliographic CitationD. Vamvuka, K. Esser, and K. Komnitsas, “Investigating the suitability of grape husks biochar, municipal solid wastes compost and mixtures of them for agricultural applications to Mediterranean soils,” Resources, vol. 9, no. 3, Mar. 2020, doi: 10.3390/resources9030033en

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