耕作方式与秸秆还田对冬小麦-夏玉米轮作系统中干物质生产和水分利用效率的影响

赵亚丽, 郭海斌, 薛志伟, 穆心愿, 李潮海^*

Effects of Tillage and Straw Returning on Biomass and Water Use Efficiency in a Winter Wheat and Summer Maize Rotation System

ZHAO Ya-Li, GUO Hai-Bin, XUE Zhi-Wei, MU Xin-Yuan, LI Chao-Hai^*

图2 耕作方式与秸秆还田对冬小麦-夏玉米系统耗水量的影响 CT: 常规耕作; DT: 深耕; SS: 深松; AS: 秸秆全还田; NS: 无秸秆还田。WW: 冬小麦季; SM: 夏玉米季量; FP: 休闲期。柱形上不同字母表示处理间差异显著 P 0.05。
Fig. 2 Effect of tillage and straw returning on soil water consumption amount in winter wheat-summer maize system CT: conventional tillage; DT: deep tillage; SS: subsoiling; AS: all straw returning; NS: no straw returning. WW: winter wheat season; SM: summer maize season; FP: fallow period. Different letters above columns indicate significant difference among treatments P 0.05.