Methane emissions from double-rice cropping system under conventional and no tillage in southeast China
作者： Daming Li , Manqiang Liu , Yanhong Cheng , Dong Wang , Jiangtao Qin
DOI: 10.1016/J.STILL.2011.02.006
关键词:
摘要: A field experiment was carried out to investigate the methane emission pattern in a double-rice cropping system under conventional and no tillage southeast China. The treatments included cultivation both early rice late (T–T) but no-till (T–NT). maximum rate of T–T T–NT 21.71 mg m−2 h−1 24.70 mg m−2 h−1 rice, respectively; 18.52 mg m−2 h−1 7.32 mg m−2 h−1 respectively. seasonal amount from not significantly different significant (P < 0.05) with values 6.57 g m−2 3.04 g m−2, In comparison flux reduced by 29% 68% T–NT, decrease attributed lower dissolved organic carbon (DOC) content higher soil bulk density. conclusion, practice conducted season will markedly for system.
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