在蚕豆开花期间,叶面喷施硼砂液,能提高蚕豆花粉的抗寒能力,增强花粉的活力,促进授粉受精,使蚕豆植株结荚多豆荚饱满。具体作法是:在蚕豆开始现蕾时起,到全部谢花出现在幼小豆荚时止,连续向叶面喷施2～3次1.1%硼砂液,隔7～10天喷一次,在晴天的早上或傍晚进行,均匀喷湿蚕豆植株 During the flowering of Vicia faba, foliar application of borax solution can improve the cold resistance of broad bean pollen, enhance the vitality of pollen, and promote pollination and fertilization, so that the faba bean pods are full of pods. The specific approach is: starting in the broad bean bud began, until all Xie Hua appear in the young pods when the foliar spray to the foliage 2 to 3 times 1.1% borax spray, spraying every 7 to 10 days, in the morning on a sunny day Or evening, even spray wet bean plants