夏玉米去雄应掌握好以下四方面的关键技术: 一、去雄时期当玉米雄穗刚露头尚未开花散粉时去雄最合适,效果亦最佳。为什么呢?因为此时植株尚矮,雄穗脆嫩,极易拔出。若去雄过晚,容易拔掉叶片和折断茎秆。另外,去雄过晚,雄穗已经散粉,作用 Summer maize should be mastered the following key aspects of the following four aspects: First, the era of emasculation Maize sprouts just outcrop not flowering powder to the most suitable male, the effect is also the best. Why? Because the plant is still short at this time, tassel crisp, easy to pull out. If you go too late, easy to pull off the leaves and broken stems. In addition, too late to male, tassel has loose powder, the role