科尔沁沙地土壤微生物碳氮磷化学计量空间格局及影响因素
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姚博, 连杰, 龚相文, 牟晓明, 李玉霖, 李玉强, 王旭洋
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Spatial patterns and influencing factors of soil microbial carbon, nitrogen and phosphorus stoichiometry in Horqin Sandy Land
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Bo Yao, Jie Lian, Xiangwen Gong, Xiaoming Mou, Yulin Li, Yuqiang Li, Xuyang Wang
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表1 土壤性质描述性统计汇总( N=163)
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Table 1 Summary statistics of soil properties ( N=163)
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变量 | 最小值 | 最大值 | 平均值 | 标准误差 | 偏度 | 峰度 |
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SOC/(g·kg-1) | 0.16 | 20.20 | 4.89 | 3.43 | 1.17 | 2.02 | TN/(g·kg-1) | 0.04 | 2.21 | 0.46 | 0.38 | 1.34 | 2.23 | TP/(g·kg-1) | 0.02 | 0.48 | 0.15 | 0.10 | 1.52 | 1.90 | C∶N | 1.12 | 94.06 | 14.27 | 13.93 | 3.83 | 16.99 | C∶P | 1.73 | 108.31 | 35.63 | 20.30 | 1.03 | 1.22 | N∶P | 0.78 | 7.79 | 2.91 | 1.29 | 0.92 | 1.12 | MBC/(mg·kg-1) | 1.24 | 575.02 | 112.92 | 129.77 | 1.58 | 1.83 | MBN/(mg·kg-1) | 0.38 | 88.42 | 16.90 | 19.08 | 1.61 | 2.30 | MBP/(mg·kg-1) | 1.00 | 74.80 | 11.41 | 11.44 | 2.27 | 6.81 | MBC∶MBN | 0.63 | 21.90 | 7.29 | 4.43 | 0.98 | 0.47 | MBC∶MBP | 0.35 | 91.27 | 11.26 | 14.11 | 3.05 | 10.77 | MBN∶MBP | 0.07 | 10.16 | 1.56 | 1.47 | 2.69 | 9.80 | pH | 6.60 | 8.81 | 7.02 | 0.74 | -0.06 | 2.10 | BD/(g·cm-3) | 1.47 | 1.83 | 1.63 | 0.06 | 0.10 | 0.49 |
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