TY - Bulletin of Botanical Research A1 - SUN Shuo, WANG Xiu-Wei, DU Meng-Tian, LI Jing-Hang, WANG Bo-Yi, LIU Gui-Feng T1 - Root CO2 Efflux Variations of Betula platyphylla Among Sites and Root Diameter Classes in 12 Different Provenances Y1 - 2020-05-05 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 476 EP - 480 VL - 40 IS - 3 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2020.03.020 ER -