TY - J Plant Ecol A1 - Yan Li, Jieyu Kang, Zhijun Li, Helena Korpelainen and Chunyang Li T1 - Ecophysiological responses of two poplar species to intraspecific and interspecific competition under different nitrogen levels Y1 - 2020-12-01 JF - Journal of Plant Ecology JO - J Plant Ecol SP - 693 EP - 703 VL - 13 IS - 6 UR - https://www.jpe.ac.cn N1 - 10.1093/jpe/rtaa060 ER -