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我场自1965年起从南京林学院、江苏省林科所、河南省睢(木巳)林场等单位陆续引进了杨树93个品种,建立了杨树引种区。1973年12月我们对引种的杨树进行了测量调查,其结果见表一。通过九年引种实践,初步摸索到适宜本地区生长的杨树是小意杨、德杨、健杨、4号杨、沙兰杨、大关杨、唐柳、欧美杨等品种。其中小意杨、健杨、大关杨在四旁绿化时更表现出优良的速生特性(表二)。
Since 1965, our factory has introduced 93 varieties of poplar from Nanjing Forestry College, Linke Institute of Jiangsu Province and Henan Miao (Miba) Forest Farm successively to establish poplar introduction area. In December 1973, we surveyed the introduced poplar and the results are shown in Table 1. Through nine years of introduction practice, preliminary found suitable for the growth of the poplar is small intention Yang, Deyang, Jian Yang, No. 4 Yang, Sallam, mark Yang, Tang Liu, Europe and the United States Yang and other varieties. Among them, Yang Yang, Jian Yang and Guan Yang showed superior fast-growing characteristics when greening around them (Table 2).