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通过近几年的示范推广 DPC 在棉花上的应用效果主要如下:1.促进棉花早熟增产如:北农大用冀棉2号做试验,常规株行配置,水肥条件良好,雨水正常。在盛蕾期旺长时,用50ppm 处理,同时在盛花期用同样的浓度处理,结果棉田封垄时间比对照推迟一周左右,单株成铃比对照多1.4个,前期成铃明显增多,平均铃重较对照高0.49克,霜前
Promote the application of DPC on cotton by the demonstration in recent years are as follows: 1. Promote the cotton precocious production such as: Bei Nongda large with Hebei Cotton 2 test, the conventional line configuration, good water and fertilizer conditions, normal rainfall. In Sheng Lei period Wang Long, with 50ppm treatment, at the same time in full bloom flowering with the same concentration, the results of cotton ridge closure time delayed by about a week than the control, bolls per plant more than the control 1.4, pre-bells increased significantly, the average Bell weight 0.49 grams higher than the control, frost before