新疆杨自引种以来,一般生长良好,适应性强,被列为我省五个推广树种之一。但新疆杨苗期生长缓慢,比北京杨等速生杨树年生长量低三分之一左右。为了加速其苗期生长,我们除改进耕作措施外,在1983—1985年采用地膜覆盖扦插培育新疆杨苗 Xinjiang since the introduction of the Yang, the general good growth, adaptability, was classified as one of five promotional tree species in our province. However, the growth of young poplar in Xinjiang is slow, which is about one-third lower than the annual growth rate of poplar in Beijing Yang et al. In order to accelerate its seedling growth, in addition to improving tillage practices, in 1983-1985 the use of mulching cultivation of Xinjiang poplar seedlings