Analysis of needle photosynthetic index characteristics for long period seed setting and non-setting trees of Pinus koraiensis
LIN Qiang, LU Tianyu, SHEN Hailong, WANG Yuanxing, ZHANG Peng
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2023, (3): 137 -146 .  DOI: 10.12302/j.issn.1000-2006.202203032