ESTABLISHMENT OF SITE-INDEX TABLE FOR POPLAR IN LINYI REGION,SHANGDONG PROVINCE

Data of 25 stems analysis of dominant trees and 104 sample plots of Pcpulus deltoides cv. "Lux" I-69/55,Populus euramericana "San Martino" I-72/58 and Populus curamericana Robusta were collected in the poplar plantations in Linyi Region, Shangdong Province from the winter of 1986 to thespring of 1987. The formula logH=a+b(1/A) was chosen as a mathematicalmodel of guiding curve. The standard age was 8-year-old. There were 8 grades with a range of 2 m(12-16 m) in the site-index table and method of height growth correlative value was adopted to establish it. It proved to be of high accuracy after testing and is considered to be useful for the forest institutions in Linyi Region, Shangdong Province.