高寒草原土壤交换性盐基离子对氮添加的响应: 以紫花针茅草原为例
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Responses of exchangeable base cations to continuously increasing nitrogen addition in alpine steppe: A case study of Stipa purpurea steppe
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附件II. 氮添加对植物地上部分Mg库的影响(平均值±标准误差)。A, 2014年。B, 2015年。C, 2016年。N0-N32, 氮添加量分别为: 0、1、2、4、8、16、24、32 g·m-2·a-1。不同字母表示各施氮量下差异显著(p < 0.05) |
Appendix II. Effects of nitrogen addition on Mg pool in aboveground plant (mean ± SE). A, 2014. B, 2015. C, 2016. N0-N32, nitrogen addition 0, 1, 2, 4, 8, 16, 24, 32 g·m -2·a -1, respectively. Different letters indicate significant differences among treatments (p < 0.05) |
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