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2 不同时期灌水处理对春玉米各个时期土壤含水量(g g-1)的影响 VS、V6、V12、R1、R6分别代表播种期、拔节期、大口期、吐丝期和成熟期; A~D为2014年, E~I为2015年, J~N为2016年; A、E、J: CK处理; B、F、K: IV6处理; G、L: IV12处理; C、H、M: IS处理; D、I、N: IS15处理。

Fig. 2 Effects of irrigating at different growth stages on soil water content (g g-1) at each stage of spring maize VS, V6, V12 indicate sowing date, the 6th, the 12th leaf collar is visible, respectively; R1 and R6 indicate silking and maturity stage, respectively. A-D, E-I, and J-N indicate in 2014, 2015, and 2016, respectively; A, E, J: the control treatment; B, F, K: IV6 treatment; G, L: IV12 treatment; C, H, M: IS treatment; D, I, N: IS15 treatment.