TY - Bulletin of Botanical Research A1 - Dan CAO, Shi-Zhen WANG, Mei HAN T1 - Effect of the Environment-friendly Nutrient Synergist Polyaspartic Acid on the Growth of Poplar Seedlings Y1 - 2021-09-20 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 712 EP - 720 VL - 41 IS - 5 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2021.05.009 ER -