柳树属于杨柳科柳属和钻天柳属植物,具有生长快、树形美、绿期长、喜湿耐旱、病虫害少、适应性强等优点,是我国绿化工程中最普遍的树种之一。我国东北、西南、西北等地均是柳树的主要分布区。柳树喜水,耐水湿,可以忍受长时间的浸泡并维持生长。柳树还可清除水中的污染物质,起净化水体、改善环境的作用,是很好的生态树种。柳树光合利用率高,生长期长、年度生长量大、繁殖更新能力强,是很好的能 Willow belongs to the genus Salix and the genus Salix, which has the advantages of rapid growth, beautiful tree shape, long green period, wet and drought tolerance, few pests and diseases, and strong adaptability. It is one of the most common tree species in China’s afforestation project . China’s northeast, southwest, northwest and other places are the main distribution area willow. Willow hi water, water wet, you can tolerate a long time to soak and maintain growth. Willow can also remove water pollutants, water purification, improve the role of the environment, is a good ecological species. Willow photosynthesis rate is high, long growing season, the annual growth of large, reproductive ability to update, is very good