杨树是国内外广泛采用的造林树种,具有生长快,适应性强的特点.在我省西部苏打盐碱地区用来营造用材林、农田防护林、水土保持林及四旁绿化,杨树也是主要造林绿化树种.但是,杨树品种很多,特性各异,什么品种适宜苏打盐碱地生长,是造林中值得注意的问题.为此,我场从一九六七年开始进行苏打盐碱地杨树品种的选育试验.一九七三年又从省内外引进一批杨树品种,在苗圃里观测生育状况和抗性.将少数品种的 Poplar is widely used afforestation species at home and abroad, with fast growing, adaptable characteristics in the soda saline and alkali region in western China to create timber forests, farmland shelterbelts, water and soil conservation forests and greening around, poplar is also the main afforestation species However, many varieties of poplar, different characteristics, and what kind of varieties are suitable for the growth of soda and saline soils, is a noteworthy issue in afforestation.To this end, our field since 1967, soda poplar varieties breeding trials. In 1973, another batch of poplar varieties were introduced from inside and outside the province to observe fertility and resistance in the nursery.