Controlled irrigation and drainage of a rice paddy field reduced global warming potential of its gas emissions
作者： SH Yang , SZ Peng , HJ Hou , JZ Xu , None
DOI: 10.1080/03650340.2013.772687
关键词: Environmental science 、 Nitrous oxide 、 Lysimeter 、 Percolation 、 Irrigation 、 Methane 、 Carbon dioxide 、 Paddy field 、 Agronomy 、 Drainage
摘要: The effect of controlled drainage on methane (CH4) and nitrous oxide (N2O) emissions from a paddy field under irrigation (CI) was investigated by controlling the sub-surface percolation rate with lysimeter. CI technology is one major water-saving methods for rice growing in China. Water rates were adjusted to three values (2, 5, 8 mm d−1) study. On hand, CH4 emission flux total fields decreased increase rates. Total during growth stage 1.83, 1.16, 1.05 g m−2 2, d−1 plots, respectively. other N2O increased 0.304, 0.367, 0.480 g m−2 8 mm seasonal carbon dioxide (CO2) equivalent emi...
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