Research Article

Greenhouse Gas Emissions from Cotton Field under Different Irrigation Methods and Fertilization Regimes in Arid Northwestern China

Table 4

Effects of different irrigation methods and fertilization regimes on accumulated N2O and CH4 emissions during cotton growing season. Values are means ± standard deviation of three replicates. Different small letters in the same column refer to significant difference between treatments at level.

N2O (kg ha−1)CH4 (kg ha−1)

FC1.71 ± 0.13a−2.92 ± 0.96ab
DC1.09 ± 0.11b−8.87 ± 1.85b
FB1.21 ± 0.07b5.39 ± 4.91a
DB1.04 ± 0.06b−6.84 ± 1.07b