初夏是干热风的季节,风力大且持续时间长,不仅加速植物水分的蒸发量,而且能破坏叶绿素,使植物的光合作用停止,使其茎叶很快枯萎。干热风对新栽树木的影响也非常突出,常在一天之内使新栽树木的叶片全部焦边,故此应加强防控。笔者经多年实践,总结出一套抵御干热风的办法,现介绍如下。 Early summer is the season of hot and dry wind, windy and long duration, not only to speed up the evaporation of plant moisture, but also to destroy chlorophyll, the photosynthesis of plants to stop making its stems and leaves quickly wither. The effect of dry hot air on the newly planted trees is also very prominent. It often causes all the newly planted trees to be defocused, so the prevention and control should be strengthened. The author after many years of practice, summed up a set of ways to resist dry hot air, are introduced below.