杨树
5.Native Auxiliary Species of Mixed Broadleaf—Korean Pine Stands——Populus ussuriensis Kom.
9.TO STUDY THE RELATIONSHIP BETWEEN THE INCREASE OF TIMBER VOLUME OF CHINESE WHITE POPLAR AND CLIMATE CONDITIONS WITH CONNECTIVITY ANALYSIS MDTHOD
10.A STUDY ON PRINCIPAL FELLING AGE OF POPLAR PLANTATION ON CHANGJIANG RIVER BEACH

