- Volume 46 Issue 6
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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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