小叶杨,又名水桐,杨柳科,杨属,秀杨亚属,青杨组,苦杨系的一种高大乔木,分布在亚洲东部地区,我国除华南地区外全国各地都有栽培。二十年来,小叶杨又是我场固沙造林的主要树种之一。因此,对小叶杨的生物学和生态学特性进行观察,并对固沙造林经验进行总结,对指导今后林业生产是非常必要的。 Populus euphratica, also known as water tree, willow Branch, Populus, Show Yang sub-genus, Qingyang group, Ku Yang Department of a tall tree, distributed in eastern Asia, China in addition to southern China outside the country have cultivated. In the past two decades, Populus euphratica has also been one of the main tree species for afforestation in our field. Therefore, to observe the biological and ecological characteristics of Populus simonii, and to sum up the experience of afforestation and afforestation is very necessary to guide the future forestry production.