Response of Carbon Dioxide Emissions to Warming under No‐Till and Conventional Till Systems
Differences in soil organic carbon (SOC) distribution, water holding capacity, and soil temperature between no‐tillage (NT) and conventional tillage (CT) systems can result in different soil CO2 emissions which could affect global warming but few studies have addressed this concern. An open warming...
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Veröffentlicht in: | Soil Science Society of America journal 2014-01, Vol.78 (1), p.280-289 |
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description | Differences in soil organic carbon (SOC) distribution, water holding capacity, and soil temperature between no‐tillage (NT) and conventional tillage (CT) systems can result in different soil CO2 emissions which could affect global warming but few studies have addressed this concern. An open warming experiment was conducted in situ by infrared heating of long‐term conservation tillage management plots in North China Plain (NCP) to determine the effects of warming on soil CO2 emissions and the correlation to changes in soil temperature and moisture. This experiment was conducted from February 2010 to June 2012 and included CT and NT plots with and without warming. Warming treatment increased soil temperature by 2.1 and 1.5°C, and decreased volumetric soil‐water content by 14 and 10% for CT and NT systems, respectively. Soil CO2 emissions tended to decrease with time in CT while it consistently increased in NT system over the three wheat seasons and two maize seasons under warming. Our results suggest that differences in soil temperature and soil moisture between the two tillage systems could be enlarged with time by warming, and the potential exist for warming to promote more soil CO2 emission under NT relative to CT. There is a need to consider the differences in response to global warming between these two tillage systems to properly assess the benefits of NT to C sequestration. |
doi_str_mv | 10.2136/sssaj2013.05.0184 |
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An open warming experiment was conducted in situ by infrared heating of long‐term conservation tillage management plots in North China Plain (NCP) to determine the effects of warming on soil CO2 emissions and the correlation to changes in soil temperature and moisture. This experiment was conducted from February 2010 to June 2012 and included CT and NT plots with and without warming. Warming treatment increased soil temperature by 2.1 and 1.5°C, and decreased volumetric soil‐water content by 14 and 10% for CT and NT systems, respectively. Soil CO2 emissions tended to decrease with time in CT while it consistently increased in NT system over the three wheat seasons and two maize seasons under warming. Our results suggest that differences in soil temperature and soil moisture between the two tillage systems could be enlarged with time by warming, and the potential exist for warming to promote more soil CO2 emission under NT relative to CT. There is a need to consider the differences in response to global warming between these two tillage systems to properly assess the benefits of NT to C sequestration.</description><identifier>ISSN: 0361-5995</identifier><identifier>EISSN: 1435-0661</identifier><identifier>DOI: 10.2136/sssaj2013.05.0184</identifier><identifier>CODEN: SSSJD4</identifier><language>eng</language><publisher>Madison: The Soil Science Society of America, Inc</publisher><subject>Agricultural practices ; Carbon dioxide ; Carbon dioxide emissions ; carbon sequestration ; China ; Climate change ; conventional tillage ; corn ; Emission analysis ; Emissions ; Global warming ; greenhouse gas emissions ; heat ; Herbivores ; Moisture content ; New technology ; no-tillage ; Organic carbon ; Seasons ; Soil (material) ; Soil conservation ; Soil moisture ; soil organic carbon ; Soil temperature ; Soil water ; soil water content ; Tillage ; Triticum aestivum ; Water content ; water holding capacity ; wheat ; Zea mays</subject><ispartof>Soil Science Society of America journal, 2014-01, Vol.78 (1), p.280-289</ispartof><rights>Copyright © by the Soil Science Society of America, Inc.</rights><rights>Copyright American Society of Agronomy Jan/Feb 2014</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4744-c12b0da493549ddc04b16f28ab6ef67e45c07ee97d3bb60869bfa01b927ce0883</citedby><cites>FETCH-LOGICAL-c4744-c12b0da493549ddc04b16f28ab6ef67e45c07ee97d3bb60869bfa01b927ce0883</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.2136%2Fsssaj2013.05.0184$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.2136%2Fsssaj2013.05.0184$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Hou, Ruixing</creatorcontrib><creatorcontrib>Ouyang, Zhu</creatorcontrib><creatorcontrib>Wilson, G.V.</creatorcontrib><creatorcontrib>Li, Yunsheng</creatorcontrib><creatorcontrib>Li, Hanxia</creatorcontrib><title>Response of Carbon Dioxide Emissions to Warming under No‐Till and Conventional Till Systems</title><title>Soil Science Society of America journal</title><description>Differences in soil organic carbon (SOC) distribution, water holding capacity, and soil temperature between no‐tillage (NT) and conventional tillage (CT) systems can result in different soil CO2 emissions which could affect global warming but few studies have addressed this concern. An open warming experiment was conducted in situ by infrared heating of long‐term conservation tillage management plots in North China Plain (NCP) to determine the effects of warming on soil CO2 emissions and the correlation to changes in soil temperature and moisture. This experiment was conducted from February 2010 to June 2012 and included CT and NT plots with and without warming. Warming treatment increased soil temperature by 2.1 and 1.5°C, and decreased volumetric soil‐water content by 14 and 10% for CT and NT systems, respectively. Soil CO2 emissions tended to decrease with time in CT while it consistently increased in NT system over the three wheat seasons and two maize seasons under warming. Our results suggest that differences in soil temperature and soil moisture between the two tillage systems could be enlarged with time by warming, and the potential exist for warming to promote more soil CO2 emission under NT relative to CT. There is a need to consider the differences in response to global warming between these two tillage systems to properly assess the benefits of NT to C sequestration.</description><subject>Agricultural practices</subject><subject>Carbon dioxide</subject><subject>Carbon dioxide emissions</subject><subject>carbon sequestration</subject><subject>China</subject><subject>Climate change</subject><subject>conventional tillage</subject><subject>corn</subject><subject>Emission analysis</subject><subject>Emissions</subject><subject>Global warming</subject><subject>greenhouse gas emissions</subject><subject>heat</subject><subject>Herbivores</subject><subject>Moisture content</subject><subject>New technology</subject><subject>no-tillage</subject><subject>Organic carbon</subject><subject>Seasons</subject><subject>Soil (material)</subject><subject>Soil conservation</subject><subject>Soil moisture</subject><subject>soil organic carbon</subject><subject>Soil temperature</subject><subject>Soil water</subject><subject>soil water content</subject><subject>Tillage</subject><subject>Triticum aestivum</subject><subject>Water content</subject><subject>water holding capacity</subject><subject>wheat</subject><subject>Zea 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carbon</topic><topic>Seasons</topic><topic>Soil (material)</topic><topic>Soil conservation</topic><topic>Soil moisture</topic><topic>soil organic carbon</topic><topic>Soil temperature</topic><topic>Soil water</topic><topic>soil water content</topic><topic>Tillage</topic><topic>Triticum aestivum</topic><topic>Water content</topic><topic>water holding capacity</topic><topic>wheat</topic><topic>Zea mays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hou, Ruixing</creatorcontrib><creatorcontrib>Ouyang, Zhu</creatorcontrib><creatorcontrib>Wilson, G.V.</creatorcontrib><creatorcontrib>Li, Yunsheng</creatorcontrib><creatorcontrib>Li, Hanxia</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Agricultural Science Collection</collection><collection>ProQuest 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under No‐Till and Conventional Till Systems</atitle><jtitle>Soil Science Society of America journal</jtitle><date>2014-01</date><risdate>2014</risdate><volume>78</volume><issue>1</issue><spage>280</spage><epage>289</epage><pages>280-289</pages><issn>0361-5995</issn><eissn>1435-0661</eissn><coden>SSSJD4</coden><abstract>Differences in soil organic carbon (SOC) distribution, water holding capacity, and soil temperature between no‐tillage (NT) and conventional tillage (CT) systems can result in different soil CO2 emissions which could affect global warming but few studies have addressed this concern. An open warming experiment was conducted in situ by infrared heating of long‐term conservation tillage management plots in North China Plain (NCP) to determine the effects of warming on soil CO2 emissions and the correlation to changes in soil temperature and moisture. This experiment was conducted from February 2010 to June 2012 and included CT and NT plots with and without warming. Warming treatment increased soil temperature by 2.1 and 1.5°C, and decreased volumetric soil‐water content by 14 and 10% for CT and NT systems, respectively. Soil CO2 emissions tended to decrease with time in CT while it consistently increased in NT system over the three wheat seasons and two maize seasons under warming. Our results suggest that differences in soil temperature and soil moisture between the two tillage systems could be enlarged with time by warming, and the potential exist for warming to promote more soil CO2 emission under NT relative to CT. There is a need to consider the differences in response to global warming between these two tillage systems to properly assess the benefits of NT to C sequestration.</abstract><cop>Madison</cop><pub>The Soil Science Society of America, Inc</pub><doi>10.2136/sssaj2013.05.0184</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Agricultural practices Carbon dioxide Carbon dioxide emissions carbon sequestration China Climate change conventional tillage corn Emission analysis Emissions Global warming greenhouse gas emissions heat Herbivores Moisture content New technology no-tillage Organic carbon Seasons Soil (material) Soil conservation Soil moisture soil organic carbon Soil temperature Soil water soil water content Tillage Triticum aestivum Water content water holding capacity wheat Zea mays |
title | Response of Carbon Dioxide Emissions to Warming under No‐Till and Conventional Till Systems |
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