黄淮海平原地区深松和灌水次数对冬小麦- 夏玉米节水增产的影响

强小嫚,张凯,米兆荣,刘战东,王万宁,孙景生

Effects of Subsoiling and Irrigation Frequency on Water Saving and Yield Increasing of Winter Wheat and Summer Maize in the Huang-Huai-Hai Plain

QIANG XiaoMan,ZHANG Kai,MI ZhaoRong,LIU ZhanDong,WANG WanNing,SUN JingSheng

表3 不同耕作方式和水分处理对冬小麦灌浆期作物生长发育的影响

Table 3 Growth and development of winter wheat during grain-filling stage for different subsoiling and irrigation schemes

年份 Year 处理 Treatments 株高 Plant height (cm) 叶面积 Leaf area (cm2/plant) 地上生物量 Aboveground biomass (t·hm-2) 2016 QS-2 64.74a 43.03a 17.81a QS-3 72.46a 50.05a 18.97a XS-2 53.98b 35.65ab 16.52b XS-3 60.87b 39.49a 16.91b CK 56.67b 31.73b 14.93b 2017 QS-2 71.58a 48.10a 18.05b QS-3 72.29a 52.68a 18.18b XS-2 78.69a 53.26a 19.02a XS-3 75.29a 56.67a 19.98a CK 63.82a 39.64b 15.69b