The agricultural N2O emission flux in the middle-lower Yangtze River basin area from 1990-1994, 1995-1999 and 2000-2004 were 5.87,6.88and 6.90kg/（ha·a） respectively.
长江中下游地区1990-1994年、1995-1999年、2000-2004年农田N2O排放通量分别为5.87、6.88、6.90千克/（公顷*年）。
参考来源 - 长江中下游地区农田生态系统N·2,447,543篇论文数据，部分数据来源于NoteExpress
沼泽湿地N2O排放通量季节变化与沼泽湿地水深呈负相关关系。
Seasonal change of N2O flux was negatively correlated with water depth in mire.
本文对水田甲烷排放通量的研究进展及有关的土壤和环境因素作了综述。
The advances in the research of methane emission from rice paddies and related soil properties and environmental factors are reviewed.
对持续淹水处理而言，N2O的排放通量是正常烤田处理的12.10%。
As far as CF treatment was concerned, N2O emission accounted for 12.10% of NA treatment.
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