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()
)
图1. 不同轮作模式下秸秆还田量（A）和还田秸秆C/N比（B）
柱上不同小写字母表示不同轮作模式间差异显著（P<0.05）
Fig. 1. Amount (A) and C/N ratio (B) of straw incorporated under different rotations
Different small letters in same year indicated significant difference among different rotation systems at P<0.05
