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Conversion of open pasture to hardwood silvopasture enhanced soil health of an ultisol

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dc.contributor.authorPoudel, Sanjoken
dc.contributor.authorBansal, Sangeetaen
dc.contributor.authorPodder, Swarupen
dc.contributor.authorPaneru, Biduren
dc.contributor.authorKarki, Sangitaen
dc.contributor.authorFike, John H.en
dc.contributor.authorKumar, Sandeepen
dc.date.accessioned2023-05-24T14:57:19Zen
dc.date.available2023-05-24T14:57:19Zen
dc.date.issued2022-12en
dc.description.abstractBlack walnut (Juglans nigra) and honeylocust (Gleditsia triacanthos) have gained particular interest for use in silvopastures and other temperate agroforestry systems. However, measures of soil health indicators in these deciduous hardwood silvopastures over time have received limited attention. This study assessed soil health indicators in 25-year-old black walnut- (BSP) and honeylocust-based silvopastures (HSP) and compared with those from adjacent open pasture (OP) systems. Soil samples collected from 0 to 10 cm depth were analyzed for soil organic matter (OM), carbon and nitrogen fractions, glomalin-related soil protein, soil enzymatic activities, and microbial community structure. The soil OM content in HSP (64 g kg(-1)) was greater (p < 0.05) than BSP and OP (55 g kg(-1)). The BSP soils had about 45% and 52% more (p < 0.05) microbial biomass carbon and nitrogen than OP soils. The HSP soils had 60% greater (p < 0.05) microbial biomass nitrogen than OP soils. The BSP supported greater (p < 0.05) beta-glucosidase and urease activities than the HSP and OP treatments, while greater (p < 0.05) beta-glucosidase activity was measured in HSP than OP. Total phospholipid-derived fatty acid and actinomycetes abundance were greater (p < 0.001) in OP compared to BSP and HSP while the arbuscular mycorrhiza fungi abundance was greater (p < 0.05) in OP than in HSP. These findings indicate that black walnut and honeylocust trees in the silvopastures with proper management can improve certain soil health parameters over time depending on tree characteristics and the age of the system.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/s10457-022-00783-2en
dc.identifier.eissn1572-9680en
dc.identifier.issn0167-4366en
dc.identifier.issue8en
dc.identifier.urihttp://hdl.handle.net/10919/115170en
dc.identifier.volume96en
dc.language.isoenen
dc.publisherSpringeren
dc.rightsPublic Domain (U.S.)en
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/en
dc.subjectBlack walnuten
dc.subjectHoneylocusten
dc.subjectSoil carbonen
dc.subjectSoil enzymatic activitiesen
dc.subjectPLFAen
dc.titleConversion of open pasture to hardwood silvopasture enhanced soil health of an ultisolen
dc.title.serialAgroforestry Systemsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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