楝树又名苦楝,属楝科楝属。该树生长速度快,花色淡紫,有香味,病虫害少,果实球形,是城市绿化的首选树种之一。随着人们环保意识的逐步提高,楝树及其相关制品的市场前景越来越广阔:从楝树提炼出的植物农药、生物肥料无毒、无害、无污染,符合绿色和可持续发展农业的要求;在干旱和 Melia aka Melia, Meliaceae Melia. The tree grows fast, lilac color, aroma, pests and diseases less, spherical fruit, is one of the preferred tree species in urban greening. With the gradual improvement of people’s awareness of environmental protection, the market prospect of neem and its related products is more and more broad. The plant pesticides and bio-fertilizers extracted from neem tree are non-toxic, harmless and pollution-free, which is in line with the green and sustainable agriculture The requirements of drought and drought