TY - Bulletin of Botanical Research A1 - LI Ya-Qi, XU Yu-Lan, LI Wei, SUN Ji-Wei, WANG Meng-Ting, CAI Nian-Hui T1 - Effect of Sample Size on the Precision of Biomass Model of Pinus yunnanensis Seedlings Y1 - 2019-11-05 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 890 EP - 898 VL - 39 IS - 6 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2019.06.012 ER -