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

表3 秸秆还田模式对氮肥农学利用率的影响（2012-2018）

Table 3 Effects of straw incorporation modes on agronomic nitrogen use efficiency (2012-2018) kg/kg

模式 Mode 变化值Change value 稻季Rice season 麦季Wheat season 周年Annual S0 – – – WS 1.75b -0.08a 1.67b RS 4.69a -0.78b 3.90a WRS 3.91a -0.10a 4.01a