Effects of Water Management Methods on CH4 and N2O Emission From Rice Paddy Field

  • Kim, Gun-Yeob (National Academy of Agricultural Science, Rural Development Administration) ;
  • Lee, Jong-Sik (National Academy of Agricultural Science, Rural Development Administration) ;
  • Jeong, Hyun-Cheol (National Academy of Agricultural Science, Rural Development Administration) ;
  • Choi, Eun-Jung (National Academy of Agricultural Science, Rural Development Administration) ;
  • Sonn, Yeon-Kyu (National Academy of Agricultural Science, Rural Development Administration) ;
  • Kim, Pil-Joo (Gyeongsang National University)
  • Received : 2013.11.19
  • Accepted : 2013.11.29
  • Published : 2013.12.31


The effects of water-saving irrigation on the emissions of greenhouse gases and the prokaryotic communities in rice paddy soils were investigated through a field experiment. In the Water-Saving (WS) irrigation, the water layer was kept at 2~3 cm while it was kept at 6 cm in the Continuousiy Flooding (CF) irrigation. A plot was treated with Intermittently Drainage (ID) that is drained as fine cracks on the floor were seen after transplanting. GHGs emission amounts from WS plots were reduced by 78.1% compared to that from CF plot and by 70.7% compared to that from ID plot, meaning that WS could help contribute to mitigation of the greenhouse gas accumulation in the atmosphere.


Water management methods;Paddy;GHGs emission


Grant : Cooperative Research Program for Agricultural Science & Technology Development

Supported by : Rural Development Administration


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