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()
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()

图2. 2016(A、C和E)和2017(B、D和F)年度不同轮作模式及氮肥梯度下稻田CH4排放通量的季节变化

Fig. 2. Seasonal variations of CH4 fluxes in rice season under different rotation systems and N fertilizer rates in 2016 (A, C, E), 2017 (B, D, F)