Effect of post-production vermicompost and thermophilic compost blending on nutrient availability

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dc.contributor.authorBellitürk, Korkmaz
dc.contributor.authorFang, Lynn
dc.contributor.authorGorres, Josef H.
dc.date.accessioned2023-05-06T17:23:42Z
dc.date.available2023-05-06T17:23:42Z
dc.date.issued2023
dc.departmentFakülteler, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü
dc.description.abstractComposting is a common waste management strategy for recycling nutrients from organic household or agri-cultural wastes. However, thermophilic (e.g. windrow) composting and vermicomposting (using earthworms) produce different nutrient and enzyme profiles. Vermicompost is purported to have greater fertility benefits, but is also more expensive than thermophilic compost. The objective of this study was to examine a novel approach to designing organic fertility amendments by blending mature vermicompost and thermophilic compost. To examine the effect of blending, vermicompost was admixed to thermophilic compost at 20, 50 and 70 % by mass, with and without the addition of coir (cocopeat). Electric conductivity, water-extractable, immediately available N, P and K were measured. Vermicompost and coir synergistically affected the availability of these nutrients. Synergistic effects were between 15 and 40 % for total inorganic N in blends with coir. Without coir, synergism occurred only at vermicompost additions >= 50 %. Synergism for available P and K was present in all blends and ranged from 10% to 35%. Electrical conductivity measurements suggest that blending affected compost within three days of starting the incubation. The activity of five of seven measured enzymes were linearly and positively related to the fraction of vermicompost in the blend. Blending mature composts with differing properties may be another tool, in addition to adjusting feedstock and process parameters, to affect positively the fertility properties of composts.
dc.description.sponsorshipUniversity of Vermont College of Agriculture and Life Science; Scientific and Technological Research Council of Turkey (TUEBITAK)
dc.description.sponsorshipThis work was supported by the University of Vermont College of Agriculture and Life Science and the Scientific and Technological Research Council of Turkey (TUEBITAK). Thanks also to Tekirda ?g Namik Kemal University, for their in-kind support. Vermicompost was donated by Worm Power. Thermophilic compost was donated by the Highfield Center of Composting.
dc.identifier.doi10.1016/j.wasman.2022.09.032
dc.identifier.endpage152
dc.identifier.issn0956-053X
dc.identifier.issn1879-2456
dc.identifier.pmid36371848
dc.identifier.scopus2-s2.0-85141520885
dc.identifier.scopusqualityQ1
dc.identifier.startpage146
dc.identifier.urihttps://doi.org/10.1016/j.wasman.2022.09.032
dc.identifier.urihttps://hdl.handle.net/20.500.11776/12256
dc.identifier.volume155
dc.identifier.wosWOS:000905012600005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorBellitürk, Korkmaz
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofWaste Management
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectThermophilic compost
dc.subjectVermicompost
dc.subjectCoir
dc.subjectBlending
dc.subjectAvailable nutrients
dc.subjectPeat Substitute
dc.subjectOrganic-Matter
dc.subjectPig Manure
dc.subjectC/N Ratio
dc.subjectGrowth
dc.subjectWaste
dc.subjectSoil
dc.subjectPopulations
dc.subjectSuppression
dc.subjectManagement
dc.titleEffect of post-production vermicompost and thermophilic compost blending on nutrient availability
dc.typeArticle

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