TY - Bulletin of Botanical Research A1 - WANG Kai;WU Xiang-Yun;DUAN Hai-Xia;LI Na;ZHANG Li-Na T1 - Differentiation of Chlorophyll Content and Its Relationships with SPAD Value for the Main Greening Tree Species in Northwestern Liaoning Province Y1 - 2014-09-20 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 634 EP - 641 VL - 34 IS - 5 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2014.05.009 ER -