Residues from black soldier fly (Hermetia illucens) larvae rearing influence the plant-associated soil microbiome in the short term

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cg.authorship.typesCGIAR and developing country instituteen
cg.contributor.affiliationInstitute of Agricultural Sciences, Switzerlanden
cg.contributor.affiliationSingapore-ETH Centreen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationMaggot Farm Production Ltd., Rwandaen
cg.contributor.affiliationArba Minch Universityen
cg.contributor.affiliationUniversity of KwaZulu-Natalen
cg.contributor.affiliationTransdisciplinary Lab, ETH Zürichen
cg.contributor.affiliationSwiss Federal Institute of Aquatic Science and Technologyen
cg.contributor.donorSwiss Agency for Development and Cooperationen
cg.coverage.countryRwandaen
cg.coverage.iso3166-alpha2RWen
cg.coverage.regionAfricaen
cg.coverage.regionMiddle Africaen
cg.coverage.regionEastern Africaen
cg.creator.identifierKINTCHE Kokou: 0000-0001-5533-476Xen
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.3389/fmicb.2022.994091en
cg.isijournalISI Journalen
cg.issn1664-302Xen
cg.issue994091en
cg.journalFrontiers in Microbiologyen
cg.reviewStatusPeer Reviewen
cg.subject.iitaPESTS OF PLANTSen
cg.subject.iitaPLANT DISEASESen
cg.subject.iitaPLANT HEALTHen
cg.subject.impactAreaNutrition, health and food securityen
cg.subject.sdgSDG 1 - No povertyen
cg.subject.sdgSDG 2 - Zero hungeren
cg.volume13en
dc.contributor.authorFuhrmann, A.en
dc.contributor.authorWilde, B.en
dc.contributor.authorConz, R.F.en
dc.contributor.authorKantengwa, S.en
dc.contributor.authorKonlambigue, Matieyedouen
dc.contributor.authorMasengesho, B.en
dc.contributor.authorKintche, K.en
dc.contributor.authorKassa, K.en
dc.contributor.authorMusazura, W.en
dc.contributor.authorSpath, L.en
dc.contributor.authorGold, M.en
dc.contributor.authorMathys, A.en
dc.contributor.authorSix, Johanen
dc.contributor.authorHartmann, M.en
dc.date.accessioned2022-10-19T08:38:30Zen
dc.date.available2022-10-19T08:38:30Zen
dc.identifier.urihttps://hdl.handle.net/10568/125094
dc.titleResidues from black soldier fly (Hermetia illucens) larvae rearing influence the plant-associated soil microbiome in the short termen
dcterms.abstractThe larvae of the black soldier fly (BSFL, Hermetia illucens) efficiently close resource cycles. Next to the nutrient-rich insect biomass used as animal feed, the residues from the process are promising plant fertilizers. Besides a high nutrient content, the residues contain a diverse microbial community and application to soil can potentially promote soil fertility and agricultural production through the introduction of beneficial microbes. This research assessed the application of the residues on plant-associated bacterial and fungal communities in the rhizosphere of a grass-clover mix in a 42-day greenhouse pot study. Potted soil was amended with BSFL residues (BR+) or conventional compost (CC+) produced by Rwandan waste management companies in parallel to residues and compost sterilized (BR-, CC-) by high-energy electron beam (HEEB) as abiotic controls. The fertilizers were applied at a rate of 150  kg N  ha−1. Soil bacterial and fungal communities in both fertilizer and soil were assessed by high-throughput sequencing of ribosomal markers at different times after fertilizer application. Additionally, indicators for soil fertility such as basal respiration, plant yield and soil physicochemical properties were analyzed. Results showed that the application of BSFL residues influenced the soil microbial communities, and especially fungi, stronger than CC fertilizers. These effects on the microbial community structure could partly be attributed to a potential introduction of microbes to the soil by BSFL residues (e.g., members of genus Bacillus) since untreated and sterilized BSFL residues promoted different microbial communities. With respect to the abiotic effects, we emphasize a potential driving role of particular classes of organic matter like fiber and chitin. Indeed, especially taxa associated with decomposition of organic matter (e.g., members of the fungal genus Mortierella) were promoted by the application of BSFL residues. Soil fertility with respect to plant yield (+17% increase compared to unamended control) and basal respiration (+16% increase compared to unamended control) tended to be improved with the addition of BSFL residues. Findings underline the versatile opportunities for soil fertility arising from the application of BSFL residues in plant production and point to further research on quantification of the described effects.en
dcterms.accessRightsOpen Accessen
dcterms.audienceScientistsen
dcterms.available2022-09-26en
dcterms.bibliographicCitationFuhrmann, A., Wilde, B., Conz, R.F., Kantengwa, S., Konlambigue, M., Masengesho, B., ... & Hartmann, M. (2022). Residues from black soldier fly (Hermetia illucens) larvae rearing influence the plant-associated soil microbiome in the short term. Frontiers in Microbiology, 13 : 994091, 1-19.en
dcterms.extent1-19en
dcterms.issued2022en
dcterms.languageenen
dcterms.licenseCC-BY-4.0en
dcterms.publisherFrontiers Mediaen
dcterms.subjecthermetia illucensen
dcterms.subjectsoil microorganismsen
dcterms.subjectorganic fertilizersen
dcterms.subjectplant growth formsen
dcterms.subjectcircular economyen
dcterms.typeJournal Articleen

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