长江中下游稻区不同水旱轮作模式和氮肥水平 对稻田CH4排放的影响
刘少文,殷敏,褚光,徐春梅,王丹英,章秀福,陈松(
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Effects of Various Paddy-Upland Crop Rotations and Nitrogen Fertilizer Levels on CH4 Emission in the Middle and Lower Reaches of the Yangtze River
LIU ShaoWen,YIN Min,CHU Guang,XU ChunMei,WANG DanYing,ZHANG XiuFu,CHEN Song()
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图3. 2016（A）和2017年（B）不同轮作模式及肥料梯度下稻季CH4累积排放量
同一年份不同小写字母表示不同轮作模式及肥料间差异显著（P<0.05）
Fig. 3. CH4 accumulation emissions in rice season under different rotations and N fertilizer rates in 2016 (A) and 2017 (B)
Different small letters in the same year indicated significant difference among different rotation systems and fertilizers at P<0.05
