杉木中龄林生长量两块标准地的观测

0bservation on Two Standard Land of Growth Increment of Mid-Age Forest of Chinese Fir

对萍溪林场两块杉木中龄林固定标准地连续7年的观测分析认为:杉木中龄林初期和中期,是连年生长量快速增加时期。

Observation on two standard land of mid-age forest of Chinese fir for sevenyears running, we hold that early and middle period of mid-age forest of Chinese fir is quickincreasing period of growth increament year after year.