Impacts of crop rotational diversity and grazing under integrated crop-livestock system on soil surface greenhouse gas fluxes

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dc.authoridAbagandura, Gandura/0000-0003-0487-8374
dc.contributor.authorAbagandura, Gandura Omar
dc.contributor.authorSenturklu, Songul
dc.contributor.authorSingh, Navdeep
dc.contributor.authorKumar, Sandeep
dc.contributor.authorLandblom, Douglas G.
dc.contributor.authorRingwall, Kris
dc.date.accessioned2025-01-27T20:47:33Z
dc.date.available2025-01-27T20:47:33Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIntegrated crop-livestock (ICL) system is beneficial in enhancing soil organic carbon and nutrient cycling. However, the benefits of the ICL system on mitigation of GHG emissions are poorly understood. Thus, the present study was initiated in 2011 to assess the effect of crop rotation diversity and grazing managed under the ICL system on GHG emissions. The cropping system investigated here included spring wheat grown continuously for five years and a 5-yr crop rotation (spring wheat-cover crops-corn-pea/barley-sunflower). Each phase was present each year. Yearling steers grazed only the pea/barley, corn and cover crops plots in 2016 and 2017. Exclusion areas avoided the grazing in these crops to compare the GHG fluxes under grazed vs. non-grazed areas. The GHG fluxes were measured weekly from all crop phases during the growing season for both years using a static chamber. Cumulative CO2 and CH4 fluxes were similar from all crop phases over the study period. However, continuous spring wheat recorded higher cumulative N2O fluxes (671 g N ha(-1)) than that under spring wheat in rotation (571 g N ha(-1)). Grazing decreased cumulative CO2 fluxes (359 kg C ha(-1)) compared to ungrazed (409 kg C ha(-1)), however, no effect from grazing on cumulative CH4 and N2O fluxes over the study period were found. The present study shows that grazing and crop rotational diversity affected carbon and nitrogen inputs, which in turn affected soil CO2 and N2O fluxes. Long-term monitoring is needed to evaluate the response of soil GHG emissions to grazing and crop rotation interactions under the ICL system.
dc.description.sponsorshipUSDA-CAP project
dc.description.sponsorshipThe authors received funding from USDA-CAP project.
dc.identifier.doi10.1371/journal.pone.0217069
dc.identifier.issn1932-6203
dc.identifier.issue5
dc.identifier.pmid31116765
dc.identifier.scopus2-s2.0-85065988674
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1371/journal.pone.0217069
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24955
dc.identifier.volume14
dc.identifier.wosWOS:000468607400042
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherPublic Library Science
dc.relation.ispartofPlos One
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectNitrous-Oxide Emissions
dc.subjectN2o Emissions
dc.subjectCarbon-Dioxide
dc.subjectTillage
dc.subjectCo2
dc.subjectIntensity
dc.subjectSteppe
dc.subjectRates
dc.subjectCorn
dc.subjectRespiration
dc.titleImpacts of crop rotational diversity and grazing under integrated crop-livestock system on soil surface greenhouse gas fluxes
dc.typeArticle

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