Volume 29 Issue 6
Nov.  2012
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PENG Yong-hong, CHEN Yong-gen, SONG Zhao-liang, SHAN Sheng-dao, SONG Zhe-yue. Nitrous oxide emission from an aquic soil after pig slurry application[J]. Journal of Zhejiang A&F University, 2012, 29(6): 954-959. doi: 10.11833/j.issn.2095-0756.2012.06.022
Citation: PENG Yong-hong, CHEN Yong-gen, SONG Zhao-liang, SHAN Sheng-dao, SONG Zhe-yue. Nitrous oxide emission from an aquic soil after pig slurry application[J]. Journal of Zhejiang A&F University, 2012, 29(6): 954-959. doi: 10.11833/j.issn.2095-0756.2012.06.022

Nitrous oxide emission from an aquic soil after pig slurry application

doi: 10.11833/j.issn.2095-0756.2012.06.022
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  • Corresponding author: SHAN Sheng-dao
  • Received Date: 2011-09-25
  • Rev Recd Date: 2011-11-23
  • Publish Date: 2012-12-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Nitrous oxide emission from an aquic soil after pig slurry application

doi: 10.11833/j.issn.2095-0756.2012.06.022
    Corresponding author: SHAN Sheng-dao

Abstract: To determine the characteristics of nitrous oxide (N2O) emissions as well as the relationship between gas emission fluxes and related environmental factors,a pig slurry amendment experiment in an aquic soil was established,and observations of the N2O emissions based on a closed-chamber,gas chromatography-based system in July 2010 (summer) and March 2011 (winter) were made. A field experimental design was employed with three treatments:no(NOF),normal (NF),and excessive fertilization (EF)) and each treatment with three replications. Results showed a highly significant increase (P<0.001) in N2O emissions from this aquic soil with nitrogen fertilizer application. The N2O emissions ranged from 11.25 to 68.47 gm-2h-1 for NOF,from 20.13 to 244.35 gm-2h-1 for NF,and from 40.09 to 618.43 gm-2h-1 for EF with an exponential relationship between nitrogen application rates and N2O emissions. In addition,soil temperature increases raised N2O emissions. Highly significant exponential relationships (P<0.001) between N2O emissions and soil moisture,and significant exponential relationships (P<0.05) between N2O emissions and mass fraction of soil nitrate were also found. When applying the same quantity of N,N2O emissions from the slurry were more than twenty times as much asnitrogen fertilizers such as urea or thiamine. These results indicated that soil temperature,soil moisture and mass fraction of soil nitrate could be important controlling variables for soil N2O fluxes.[Ch,3 fig. 1 tab. 22 ref.]

PENG Yong-hong, CHEN Yong-gen, SONG Zhao-liang, SHAN Sheng-dao, SONG Zhe-yue. Nitrous oxide emission from an aquic soil after pig slurry application[J]. Journal of Zhejiang A&F University, 2012, 29(6): 954-959. doi: 10.11833/j.issn.2095-0756.2012.06.022
Citation: PENG Yong-hong, CHEN Yong-gen, SONG Zhao-liang, SHAN Sheng-dao, SONG Zhe-yue. Nitrous oxide emission from an aquic soil after pig slurry application[J]. Journal of Zhejiang A&F University, 2012, 29(6): 954-959. doi: 10.11833/j.issn.2095-0756.2012.06.022

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