不同时期灌溉对华北平原春玉米穗粒数的影响

高震, 梁效贵, 张莉, 赵雪, 杜雄, 崔彦宏, 周顺利

Effects of irrigating at different growth stages on kernel number of spring maize in the North China Plain

GAO Zhen, LIANG Xiao-Gui, ZHANG Li, ZHAO Xue, DU Xiong, CUI Yan-Hong, ZHOU Shun-Li

图1 2014-2016年春玉米生育期降水及温度分布 图中箭头指示吐丝期; V6、V12、R1、R6分别为拔节期、大口期、吐丝期、成熟期。

Fig. 1 Rainfall and temperature distribution during spring maize growth stages from 2014 to 2016 The arrows in this figure indicate silking dates of spring maize; V6 and V12 indicate the 6th, 12th leaf collar is visible, respectively; R1 and R6 indicate silking and maturity stage, respectively.