To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?

Soil tillage practices have a profound influence on the physical properties of soil and the greenhouse gas (GHG) balance. However there have been very few integrated studies on the emission of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) and soil biophysical and chemical characteristi...

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Main Authors: Mangalassery, S., Sjögersten, Sofie, Sparkes, Debbie L., Sturrock, Craig, Craigon, Jim, Mooney, Sacha J.
Format: Article
Published: Nature Publishing Group 2014
Online Access:https://eprints.nottingham.ac.uk/41196/
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author Mangalassery, S.
Sjögersten, Sofie
Sparkes, Debbie L.
Sturrock, Craig
Craigon, Jim
Mooney, Sacha J.
author_facet Mangalassery, S.
Sjögersten, Sofie
Sparkes, Debbie L.
Sturrock, Craig
Craigon, Jim
Mooney, Sacha J.
author_sort Mangalassery, S.
building Nottingham Research Data Repository
collection Online Access
description Soil tillage practices have a profound influence on the physical properties of soil and the greenhouse gas (GHG) balance. However there have been very few integrated studies on the emission of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) and soil biophysical and chemical characteristics under different soil management systems. We recorded a significantly higher net global warming potential under conventional tillage systems (26–31% higher than zero tillage systems). Crucially the 3-D soil pore network, imaged using X-ray Computed Tomography, modified by tillage played a significant role in the flux of CO2 and CH4. In contrast, N2O flux was determined mainly by microbial biomass carbon and soil moisture content. Our work indicates that zero tillage could play a significant role in minimising emissions of GHGs from soils and contribute to efforts to mitigate against climate change.
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spelling nottingham-411962020-05-04T16:47:05Z https://eprints.nottingham.ac.uk/41196/ To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils? Mangalassery, S. Sjögersten, Sofie Sparkes, Debbie L. Sturrock, Craig Craigon, Jim Mooney, Sacha J. Soil tillage practices have a profound influence on the physical properties of soil and the greenhouse gas (GHG) balance. However there have been very few integrated studies on the emission of carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) and soil biophysical and chemical characteristics under different soil management systems. We recorded a significantly higher net global warming potential under conventional tillage systems (26–31% higher than zero tillage systems). Crucially the 3-D soil pore network, imaged using X-ray Computed Tomography, modified by tillage played a significant role in the flux of CO2 and CH4. In contrast, N2O flux was determined mainly by microbial biomass carbon and soil moisture content. Our work indicates that zero tillage could play a significant role in minimising emissions of GHGs from soils and contribute to efforts to mitigate against climate change. Nature Publishing Group 2014-04-04 Article PeerReviewed Mangalassery, S., Sjögersten, Sofie, Sparkes, Debbie L., Sturrock, Craig, Craigon, Jim and Mooney, Sacha J. (2014) To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils? Scientific Reports, 4 . 4586 /1-4586 /8. ISSN 2045-2322 https://doi.org/10.1038/srep04586 doi:10.1038/srep04586 doi:10.1038/srep04586
spellingShingle Mangalassery, S.
Sjögersten, Sofie
Sparkes, Debbie L.
Sturrock, Craig
Craigon, Jim
Mooney, Sacha J.
To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title_full To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title_fullStr To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title_full_unstemmed To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title_short To what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
title_sort to what extent can zero tillage lead to a reduction in greenhouse gas emissions from temperate soils?
url https://eprints.nottingham.ac.uk/41196/
https://eprints.nottingham.ac.uk/41196/
https://eprints.nottingham.ac.uk/41196/