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棉花繁种田应用“开心栽培”成效显著河北省沧州市农林科学院刘永平，李志欣，李洪芹，张贵才，柴卫东棉花繁种田既要产量高，又要种子质量好，霜前花率高，这就要求在最佳结铃时期多结铃，才能达到高产、优质之目的。棉花开心栽培是当主茎第４果枝现蕾时摘心（时间约在６...
The application of “Cultivated Cultivation” in cotton fields has achieved remarkable results. Cangzhou Academy of Agriculture and Forestry, Hebei Province Liu Yongping, Li Zhixin, Li Hongqin, Zhang Guicai, Chai Weidong Cotton production requires high yield, good seed quality and high frost flower rate, Good knot bell ring more time, in order to achieve high yield, high quality purposes. Cotton cultivation is happy when the main stem of the fourth branch of the bud when picking (time is about 6 ...