行距与氮肥或甲哌鎓化控对棉花冠层结构、温度和相对湿度的影响

颜为, 李芳军, 徐东永, 杜明伟, 田晓莉, 李召虎

Effects of row spacings and nitrogen or mepiquat chloride application on canopy architecture, temperature and relative humity in cotton

YAN Wei, LI Fang-Jun, XU Dong-Yong, DU Ming-Wei, TIAN Xiao-Li, LI Zhao-Hu

表1 甲哌鎓(DPC)应用时间和剂量

Table 1 Application time and rate of mepiquat chloride (DPC) during 2016-2018 cotton growing seasons (g hm-2)

处理 Treatment 苗期 Seedling stage 蕾期 Squaring stage 初花期 Early blooming stage 盛花期 Full blooming stage 打顶后 After topping 总剂量 Total rate M0 0 0 0 0 0 0 M1 1.9 11.3 22.5 30.0 75.0 140.4 M2 3.8 22.5 45.0 60.0 150.0 281.3 M3 7.5 48.8 67.5 90.0 225.0 393.8