芨芨草叶片养分特征对氮磷不同添加水平的响应
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Response of nutrient characteristics of Achnatherum splendens leaves to different levels of nitrogen and phosphorus addition
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图3. 不同养分处理条件下芨芨草叶片养分回收效率(平均值±标准偏差)。L、M、H分别表示低、中、高养分添加水平。不同大写和小写字母分别表示同一养分添加水平和N:P条件下各处理间具有显著性差异(p < 0.05)。 |
Fig. 3. Nutrient resorption efficiency of Achnatherum splendens leaves under different treatments (mean ± SD). L, M and H represent low, moderate and high nutrient addition level, respectively. Different uppercase and lowercase letters indicate the significant difference between the treatments under the condition of the same nutrient addition level and the N:P, respectively (p < 0.05). |
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