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Gaseous Nitrogen Losses from Soils Under Zero‐Till as Compared with Conventional‐Till Management Systems
Open accessAbstract
The gaseous losses of N from conventional‐till (CT) and zero‐till (ZT) crop fields were 3 to 7 and 12 to 16 kg N ha−1 y−1, respectively. In contrast, losses from CT and ZT fallow were severalfold higher, namely, 12 to 14 and 34 kg N ha−1, respectively. The more dense surface soil and consistently higher moisture content (lower air‐filled porosity) were identified as major factors affecting increased denitrification under ZT. The potential denitrification rates were markedly higher under ZT, and the population of denitrifiers was up to six times higher than in CT soil samples. The contribution of lower soil horizons towards gaseous N losses was found to be low on both CT and ZT fields, and this finding was confirmed from a survey carried out on three other widely differing soils. Volumetric soil moisture and air temperature were the only two of several factors that accounted for a significant portion of the variations in gaseous N fluxes under field conditions. The average mole fraction of N 2 O ranged from almost 100% to as low as 28% of the total gaseous products and showed a negative relationship with soil moisture.
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“Reduced tillage may, however, increase N 2 O emissions due to decreased soil aeration and higher soil moisture contents (Aulakh et al., 1984;Linn & Doran, 1984;Smith & Conen, 2004;Rochette, 2008).”
From Land‐use change to bioenergy production in Europe: implications for the greenhouse gas balance and soil carbon (2012) · cites this paper as Aulakh et al., 1984
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Soil organic matter, biota and aggregation in temperate and tropical soils - Effects of no-tillage
Six, J., Feller, C. L., Denef, K., Ogle, S. M., Moraes, J. C. D., & Albrecht, A. (2002) · Agronomie · doi:10.1051/agro:2002043 · Cited by 1,470
“Data from [126] for the (sub)tropical soils and from [13, 16, 17, 25, 48, 117, 158, 159, 171, 174, 178, 179, 199, 215] for the temperate soils. associated with each of the greenhouse gas fluxes that the error for the balance should also be large.”
BackgroundThe environmental consequences of adopting conservation tillage in Europe: reviewing the evidence
Holland, J. M. (2004) · Agriculture, Ecosystems & Environment · doi:10.1016/j.agee.2003.12.018 · Cited by 1,062
“CT may cause greater emissions in the short-term because of larger soil aggregates and low gas diffusiv- ity combined with high water retention at the soil surface and a greater abundance of de-nitrifers (Aulakh et al., 1984).”
BackgroundCrop residue management and soil health: A systems analysis
Turmel, M., Speratti, A. B., Baudron, F., Verhulst, N., & Govaerts, B. (2014) · Agricultural Systems · doi:10.1016/j.agsy.2014.05.009 · Cited by 690
Field N2O, CO2 and CH4 fluxes in relation to tillage, compaction and soil quality in Scotland
Ball, B. C., Scott, A., & Parker, J. P. (1999) · Soil and Tillage Research · doi:10.1016/s0167-1987(99)00074-4 · Cited by 513
NOx And N2O Emissions From Soil
Williams, E., Hutchinson, G. L., & Fehsenfeld, F. (1992) · Global Biogeochemical Cycles · doi:10.1029/92gb02124 · Cited by 457
Metadata
- Authors
- Aulakh, M. S., Rennie, D. A., & Paul, E. A.
- Affiliations
- University of Saskatchewan (CA)
- Venue
- Journal of Environmental Quality
- Publisher
- Wiley
- Published
- 1984-01
- Volume
- 13
- Issue
- 1
- Pages
- 130-136
- ISSN
- 0047-2425 (ISSN-L)
- 1537-2537
- OpenAlex
- W1983639362
- Cited by
- 164
- References
- 0
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 3 · 2018: 1 · 2017: 4 · 2016: 4 · 2015: 1 · 2014: 7 · 2013: 3 · 2012: 6
- FWCI
- 6.91
- Type
- journal article
- Language
- en
- Open access
- green
- hdl.handle.net
- Locations
- Journal of Environmental Quality (publishedVersion)
- Digital Collections of Colorado (Colorado State University) (submittedVersion)
- Funders
- Natural Sciences and Engineering Research Council of Canada
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Management and Crop Yield
- Physical Sciences › Environmental Science › Environmental Chemistry › Soil and Water Nutrient Dynamics
- Keywords
- nitrogen loss, no-tillage, conventional tillage, denitrification, nitrous oxide, soil moisture, air-filled porosity, soil compaction, denitrifying bacteria, fallow, soil management systems
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Cite CoChat for the checks on this page, and the paper for its own findings.
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- CoChat. (2026). Citation check: Gaseous Nitrogen Losses from Soils Under Zero‐Till as Compared with Conventional‐Till Management Systems. https://app.cochat.ai/papers/10.2134/jeq1984.00472425001300010024x
- The paper
- Aulakh, M. S., Rennie, D. A., & Paul, E. A. (1984). Gaseous Nitrogen Losses from Soils Under Zero‐Till as Compared with Conventional‐Till Management Systems. Journal of Environmental Quality. https://doi.org/10.2134/jeq1984.00472425001300010024x
