Impact of the N treatments on soil properties.
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Soil surface (0–15 cm) properties [total N and C, C/N ratio, concentrations of Nin – extractable inorganic N, NO3− – nitrate, and NH4+ – ammonium, OM – organic matter, and pH (H2O)], in the first (May 2007) and fifth (May 2011) springs of the experiment, according to the N addition treatment (Control, 40A, 40AN and 80AN). Different letters refer to significant differences between treatments (ANOVA ppTable S3). Values represent the mean (n = 3 experimental plots per treatment) ±SE.
本数据集包含实验第1次(2007年5月)与第5次(2011年5月)春季采集的0–15 cm表层土壤(0–15 cm soil surface)性质数据,具体指标涵盖全氮(Total N)、全碳(Total C)含量、碳氮比(C/N ratio)、浸提态无机氮(Nin – extractable inorganic N)、硝态氮(NO₃⁻ – nitrate)、铵态氮(NH₄⁺ – ammonium)、有机质(OM – organic matter)含量及水提pH(pH (H₂O))。所有数据均基于氮添加处理(N addition treatment)分组,分组设置包括对照组Control、40A、40AN及80AN。不同字母代表处理组间存在显著性差异(方差分析ANOVA, Analysis of Variance,显著性检验结果详见附表S3)。数值以平均值±标准误(SE, Standard Error)表示,每个处理设置3个实验样地作为重复(n=3)。
创建时间:
2015-12-02



