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氮肥和种植密度对达乌里胡枝子的生长与生物固氮的影响
王银柳1,2, 耿倩倩1,2, 黄建辉1,2,*(), 王常慧1, 李磊1,2, 哈斯木其尔1,2, 牛国祥1,2
Effects of nitrogen addition and planting density on the growth and biological nitrogen fixation of Lespedeza davurica
WANG Yin-Liu1,2, GENG Qian-Qian1,2, HUANG Jian-Hui1,2,*(), WANG Chang-Hui1, LI Lei1,2, HASI Muqier1,2, NIU Guo-Xiang1,2

图3. 不同处理对根瘤生物量响应比(RR)(A)和根瘤投资(B)的影响(平均值±标准误)。图A中,虚线位置代表RR = 1, 如果误差线没有跨越虚线表示处理与对照存在显著差异(p < 0.05)。*, p < 0.05; **, p < 0.01; ***, p < 0.001。

Fig. 3. Responses of the nodule biomass response ratio (RR)(A) and investment to nodulation (B) under different treatments (mean ± SE). In Fig. A, response ratio values with error bars not overlapping RR = 1 (horizontal dotted line), indicate significant difference between treatment and control (p < 0.05). *, p < 0.05; **, p < 0.01; ***, p < 0.001.