夏季气温偏高,室内温度中午可达35℃甚至40℃。蒸发快,空气就干燥,时间长了,影响花卉正常生长,也现叶色枯黄.叶片干巴,严重时叶子脱落,花蕾不开放。有个简便办法,可以调节温室湿度。就是在花架上铺一张塑料薄膜,再放一层5厘米厚的河沙,沙上摆花盆。每次浇水时把垫沙也浇湿,经蒸发,就能增加空气湿度。 Summer high temperatures, indoor temperature noon up to 35 ℃ or 40 ℃. Evaporation is fast, the air is dry, a long time, affecting the normal growth of flowers, but also the color of yellow leaves. Dry leaves, leaves when serious, buds are not open. There is a simple way to adjust the greenhouse humidity. It is a plastic film on the shelf, put a layer of 5 cm thick river sand, put the flower pot on the sand. The padding sand is also wetted every time watering, the evaporation of air can increase the air humidity.