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Table 3 N2O emission factor (EF5-r, dissolved N2O-N:NO3-N) of Jinshui River and Qi River

From: N2O emission and its influencing factors in subtropical streams, China

River Sampling area High flow season (%) Normal flow season (%) Low flow season (%)
Jinshui River Downstream 0.054 ± 0.013 0.062 ± 0.023 0.089 ± 0.007a
Midstream 0.049 ± 0.002 0.072 ± 0.008 0.076 ± 0.005a
Upstream 0.042 ± 0.001 0.047 ± 0.003 0.047 ± 0.004b
Qi River Downstream 0.039 ± 0.026 0.083 ± 0.026 0.113 ± 0.028
Midstream 0.046 ± 0.011 0.061 ± 0.011 0.054 ± 0.002
Upstream 0.034 ± 0.012 0.057 ± 0.012 0.075 ± 0.016%
  1. Values are presented as mean ± SD (n = 3); different letters indicate significant differences among sampling areas by linear mixed modeling (P < 0.05)