干湿交替灌溉对籼粳杂交稻产量与水分利用效率的影响及其生理基础

褚光,徐冉,陈松,徐春梅,王丹英,章秀福

Effects of Alternate Wetting and Soil Drying on the Grain Yield and Water Use Efficiency of Indica-Japonica Hybrid Rice and Its Physiological Bases

CHU Guang,XU Ran,CHEN Song,XU ChunMei,WANG DanYing,ZHANG XiuFu

图1 不同灌溉模式下土壤水势的变化 YY-1540：甬优1540;CY-927：春优927;CY-5：常优5号;JY-5：嘉优5号;CI：常规灌溉;AWD：干湿交替灌溉。误差拔表示平均值±标准误,不同处理间进行比较。下同

Fig. 1 Changes in soil water potentials under different irrigation managements throughout the rice growing season YY-1540: Yongyou 1540; CY-927: Chunyou 927; CY-5: Changyou 5; JY-5: Jiayou 5; CI: Conventional irrigation; AWD: Alternate wetting and soil drying. Vertical bars represent mean±standard error. Compared between the different treatments. The same as below