杨树是白城地区主要栽培树种之一,近年来,杨树速生丰产林的大力发展使杨树林分在全区有林地面积中的比重越来越大,栽植区域也越来越广泛。为了适应杨树人工林迅速发展的需要,我们初步完成了白城地区杨树地位指数表的编制工作。一、材料与整理 Poplar is one of the main cultivated species in Baicheng area. In recent years, the rapid development of poplar fast-growing and high-yielding forests has made poplar forests occupy a larger and larger part of the total forest area, and the planting areas are also becoming more and more widespread. In order to meet the needs of the rapid development of poplar plantations, we have initially completed the preparation of poplar status index table in Baicheng area. First, the material and finishing