经过三年的引种、比较实验,总结出了在山东地区适应性强,表现好,生长快的8个速生杨新品种,介绍了它们的扦插繁育方法,为北方地区发展商品林,调整农业产业结构,改善生态环境,缓解木材紧缺状况,提供了技术支持和依据. After three years of introduction and comparative experiments, eight new poplar varieties with strong adaptability, good performance and fast growth in Shandong were summarized, and their methods of cutting propagation were introduced. For the development of commercial forests in northern China, the adjustment of agricultural industry Structure, improve the ecological environment, ease the shortage of timber, providing technical support and basis.