Two-year old seedlings from 6 provenances of Abies alba Mill. 用臭氧对6种不同种源的2年生白冷杉苗熏蒸。
The basal diameter growth in the first 10 years of Pinus koraiensis and Abies alba increased during recent 100 years, especially during recent 70 years. But for Abies alba seedlings, there was no this trend. 红松和冷杉幼树地径最初10年生长量在近100年来有所增加,其中在近70年来增加更明显,云杉幼树没有这种趋势。