水稻制种花时调节是一项增产效果非常显著的技术措施，但在生产实践中，花期调节易被重视，而花时调节却常被忽视。现就有关技术措施介绍如下，供广大农技工作者参考。１母本赶露水：母本群体大且荫蔽，早晨叶片上沾有很多露水，８时之后随露水的蒸发散失了大量热量，对提... The regulation of flowering time is a very significant technical measure to increase yield. However, in the production practice, the regulation of flowering is easy to be taken seriously and the regulation of flowering time is often neglected. The relevant technical measures are introduced below, for the majority of agricultural workers for reference. 1 female dew catch dew: female parent group large and shaded, morning leaves stained with a lot of dew, after 8 o’clock with the evaporation of dewfall a lot of heat, on the mention ...