构树耐干冷湿热的气候,既能耐干旱瘠薄,也能生在水边,并且耐烟尘,是一种极易繁殖的速生树种。其叶子可作饲料和绿肥,树皮可作沙纸,木材可作黑色火药原料或薪炭。这是黄河流域以南低山瘠薄地区优良的造林和绿化树种。我们通过1年来的实践,初步摸索出构树育苗的几点关键,现介绍如下: Tree drought-resistant hot and humid climate, both drought-infertile, but also in the water, and the resistance to dust, is a species of fast-growing easy to breed. The leaves can be used as feed and green manure, bark for sandpaper, wood can be used as black powder drug or firewood. This is an excellent afforestation and afforestation tree species in barren areas in the low hills south of the Yellow River basin. Through our practice in the past year, we have initially explored the key points of tree nursery seedlings, which are introduced as follows: