构树,在长江流域各地多见,但并没有引起人们的重视,所以自然生长者多,人工栽培者极少。其实,构树具有很多优良特性和十分广泛的用途:第一,构树的适应性极强。它不择土壤,耐干旱瘠薄,耐低洼潮湿,既能在干旱的山坡、山顶生长,也能在低湿的河湖滩地生长,还能在盐碱地和大气污染较? Trees, more common in the Yangtze River Basin, but did not arouse people’s attention, so many natural growers, very few cultivated. In fact, tree structure has many excellent features and a very wide range of uses: First, the tree adaptability. It does not choose soil, drought-resistant infertility, low-lying wet, both in the arid hillsides, hilltop growth, but also in the low-wetland beaches and lakes, but also in the saline-alkali land and air pollution?