Cited by 22Soil Carbon and Nitrogen DynamicsSoil and Water Nutrient DynamicsPasture and Agricultural Systems

Fertiliser and seasonal urine effects on N 2 O emissions from the urine‐fertiliser interface of a grazed pasture

Buckthought, LE, Clough, TJ, Cameron, KC, Di, HJ, Shepherd, MA·2015·New Zealand Journal of Agricultural Research

Abstract

Significant areas of ruminant‐grazed pastures are simultaneously covered by excreted urine and fertiliser nitrogen (N). However, the effect of overlapping N inputs on nitrous oxide (N 2 O) emission factors has not been studied. Three rates of 15 N‐labelled urea fertiliser were applied with either no urine, an autumn‐urine or a spring‐urine application. These treatments were applied to perennial ryegrass pasture ( Lolium perenne L.) and N 2 O fluxes were determined over 373 days using standard static closed chamber techniques. Cumulative N 2 O‐N fluxes ranged from 766 to 4332 g N 2 O‐N ha –1 (0.36%–0.74% of total N applied) and were lowest in the absence of urine; however, no fertiliser rate effect occurred regardless of urine presence or season of application. Urine‐elevated N 2 O‐N fluxes followed urine applications for up to 40 days, resulting in lower fertiliser contributions to the N 2 O‐N fluxes at these times. Total 15 N recoveries as N 2 O‐N were ≤0.04% and did not differ with fertiliser rate.

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Crossref · 10.1080/00288233.2015.1031405

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43 of 43 references verified0 citation errors · 0 not checkable

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Authors
Buckthought, L., Clough, T., Cameron, K., Di, H., & Shepherd, M.
Affiliations
  • Research, Investigations and Monitoring Unit, Auckland Council Auckland New Zealand
  • Department of Soil and Physical Sciences Faculty of Agriculture and Life Sciences Lincoln University Canterbury New Zealand
  • Lincoln University (NZ)
  • AgResearch, Ruakura Research Centre Hamilton New Zealand
Venue
New Zealand Journal of Agricultural Research
Publisher
Wiley
Published
2015-05-21
Volume
58
Issue
3
Pages
311-324
ISSN
  • 0028-8233 (ISSN-L)
  • 1175-8775
OpenAlex
W2097530681
Cited by
22
References
43
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 1
FWCI
1.83
Type
journal article
Language
en
Open access
closed
Locations
  • New Zealand Journal of Agricultural Research (publishedVersion)
  • Lincoln University Research Archive (Lincoln University) (submittedVersion)
Funders
  • DairyNZ
  • Fonterra Co-Operative Group
  • Ministry of Business, Innovation and Employment
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Forestry › Pasture and Agricultural Systems
Keywords
nitrous oxide emissions, ruminant grazing, perennial ryegrass pasture, 15N-labelled urea, fertiliser nitrogen, N2O emission factor, nitrogen recovery

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