山东省临沂地区地处鲁中南丘陵区,属黄淮海平原东缘,自70年代开始推广欧美杨优良无性系,大力营造速生丰产林,不仅生产经营技术取得重大进展,而且在经济效益上亦十分显著,有力地促进了穷困老区脱贫致富。目前杨树丰产林基地建设正向纵深发展。本文旨在典型调查的基 The Linyi area of ​​Shandong Province is located in the hilly area of ​​central and southern Shandong and belongs to the eastern edge of the Huang-Huai-Hai Plain. Since the 1970s, popularized European and American poplar clones have been vigorously cultivated to produce fast-growing and high-yield forests. Not only significant progress has been made in production and operation techniques, but also economic benefits Significantly and effectively promoted the poverty-stricken old-age areas to get rid of poverty and prosperity. At present, the poplar forest base construction is developing in depth. This article is intended as a basis for a typical survey