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Valorization of kiwi waste through composting

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dc.contributor.authorFernandes, Paulo
dc.contributor.authorPinto, Rui
dc.contributor.authorCorreia, Cláudia
dc.contributor.authorMourão, Isabel
dc.contributor.authorMoura, Luísa
dc.contributor.authorBrito, Luís Miguel
dc.date.accessioned2024-12-20T16:15:24Z
dc.date.available2024-12-20T16:15:24Z
dc.date.issued2024
dc.description.abstractKiwi waste from the calibration process is a major environmental problem of kiwi production due to landfill deposition. This work aims to contribute to the agronomic use of recycled kiwi waste through composting. With this objective, a composting experiment was carried out with kiwi fruit waste mixed with 5%, 10% and 20% (fresh weight) of wheat straw from bundles used to protect kiwifruit trunks from frost, as abulking agent to increase aeration, in the piles 5S, 10S and 20S, respectively. The highest temperatures for piles 5S and 10S were above 60 degrees C, whereas the temperature did not reach 40 degrees C in the pile with the highest straw content (20S) because the aeration increased heat loss in addition to increased C/N ratio of this pile. Also, the amount of organic matter mineralized decreased with increasing amount of straw because of the high C/N ratio of the straw. The highest total N (29.7 g kg(-1)) and the lowest C/N ratio (13) of the compost with 5% of straw is important from the agricultural point of view to promote N availability. In contrast, the high electrical conductivity (4.6 dS m(-1)) of this compost increases the risk of salt accumulation in the soil. Our results show that the compost with 10% straw, with high degree of maturation, absence of poor hygiene indicators as coliforms and pathogens as Salmonella sp., high organic matter content and rich in nutrients, together with the adequate compost pH and low electrical conductivity improves compost quality.pt_PT
dc.description.sponsorshipThis work was funded by the European Regional Development Fund (FEDER), through the Portuguese Regional Operational Program North 2020, within the project Technology, Environment, Creativity and Health (TECH). The authors are grateful to KiwiGreensun for their support and to the Foundation for Science and Technology (FCT/MCTES, Portugal), to financial support to CISAS [grants UIDB/05937/2020 and UIDP/05937/ 2020] and CIMO [grant UIDB/00690/2020].pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, Paulo; Pinto, Rui; Correia, Cláudia; Mourão, Isabel; Moura, Luísa; Brito, Luis Miguel (2024). Valorization of kiwi waste through composting. Environmental Technology. ISSN 0959-3330. 45:28, p. 6121–6135pt_PT
dc.identifier.doi10.1080/09593330.2024.2326797pt_PT
dc.identifier.eissn1479-487X
dc.identifier.issn0959-3330
dc.identifier.urihttp://hdl.handle.net/10198/30763
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relationCenter for Research and Development in Agrifood Systems and Sustainability
dc.relationMountain Research Center
dc.relationCenter for Research and Development in Agrifood Systems and Sustainability
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBacteriapt_PT
dc.subjectC/N ratiopt_PT
dc.subjectCompostpt_PT
dc.subjectFungipt_PT
dc.subjectPhytotoxicitypt_PT
dc.titleValorization of kiwi waste through compostingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCenter for Research and Development in Agrifood Systems and Sustainability
oaire.awardTitleMountain Research Center
oaire.awardTitleCenter for Research and Development in Agrifood Systems and Sustainability
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05937%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05937%2F2020/PT
oaire.citation.endPage15pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleEnvironmental Technologypt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBrito
person.givenNameLuís Miguel
person.identifier433367
person.identifier.ciencia-idFB16-1C66-F32F
person.identifier.ciencia-id6B1D-516F-1A2A
person.identifier.orcid0000-0003-4890-6584
person.identifier.orcid0000-0002-6606-2963
person.identifier.scopus-author-id24340677300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscovery0e333c44-b064-4af5-9a3f-ba99390e9573
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