机械打顶时间对冀南棉区棉花农艺性状和产量的影响

王燕, 张谦, 董明, 王树林, 冯国艺, 梁青龙, 祁虹

Effects of Mechanical Topping Time on Agronomic Characteristics and Yield of Cotton in Southern Hebei Cotton Region

Wang Yan, Zhang Qian, Dong Ming, Wang Shulin, Feng Guoyi, Liang Qinglong, Qi Hong

图3 不同处理对棉花上部果枝长度的影响 不同小写字母表示差异显著（P < 0.05）。下同。

Fig.3 Effects of different treatments on the length of upper fruit branches in cotton Different lowercase letters indicate significant differences at the P < 0.05 level. The same below.