高效多用树种──国槐梁仰贞槐树是蝶形花科槐属的落叶乔木，是一种集村用、药用、食用、观赏于一身的高效树种，在我国分布广泛。槐树根系具有根瘤，可以利用游离氮改良土壤。槐树材质坚硬，有弹性，耐水湿，是建筑、家具、农具等优良用材，它对二氧化硫等有害气体及烟尘... Efficient multi-purpose tree species ─ ─ Guohuai Liang Yang Zhen Ash is a papilionaceae Sophora deciduous trees, is a set of village, medicinal, edible, ornamental in one of the highly effective species, widely distributed in our country. Sophora root nodules, can use free nitrogen to improve the soil. Ash tree hard, flexible, water-wet, is the construction, furniture, tools and other excellent timber, it’s harmful gases such as sulfur dioxide and smoke ...