稻麦两熟制下秸秆还田模式的产量和经济效益分析

张刚, 张世洁, 王德建, 俞元春

Analysis of Yield and Economic Benefit of Straw Incorporation under Rice-Wheat Double Cropping System

Zhang Gang, Zhang Shijie, Wang Dejian, Yu Yuanchun

图1 秸秆还田模式对小麦、水稻及周年产量的影响（2012-2018） 柱形图上方不同字母表示模式间差异显著（LSD法检验）

Fig.1 Effects of straw incorporation modes on yields of wheat, rice and annual yield (2012-2018) Values followed by different letters are significant between the modes at the 5% level according to LSD test