杨树是吉林省西部地区主要造林树种,但由于风砂干旱草原的自然环境所限,历年杨树育苗存在着严重的产量低、质量差的技术问题,平均一公顷产苗50万株,当年不能全部达到出山标准。在社会主义建设总路线的光辉照耀下,我所今年在白城二圃进行重点研究,提高杨树育苗质量和产量的工作,由于打破常规,解放思想,改进了以往的操作惯例,取得当年 Poplar is the main afforestation species in the western Jilin Province. However, because of the natural environment of the wind-blown arid steppe, there are serious technical problems of low yield and poor quality of poplar seedling in the past years, with an average of 500,000 hectares of seedlings per hectare. Can not all reach the standard out. Under the glorious shining of the general line of socialist construction, this year, we conducted a special study in Baihe No.2 Garden to improve the quality and yield of poplar nursery. By breaking the routine, emancipating our minds, and improving previous practices, we achieved the same year