风沙治理工程综合效益分析
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潘加朋, 张克存, 安志山, 张宏雪, 薛承杰
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Analysis of comprehensive benefits of wind-blown sand control projects: a case study of Heishanzui, Dunhuang, China
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Jiapeng Pan, Kecun Zhang, Zhishan An, Hongxue Zhang, Chengjie Xue
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表1 黑山嘴土壤养分间相关性
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Table 1 Correlation among various soil fractions in Heishanzui
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样地类型 | 组分 | 含水量 | pH | 易溶盐含量 | 有机质 | 全氮 | 全磷 | 全钾 | 水解 性氮 | 有效磷 | 速效钾 |
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黑山嘴 未治理区 | 含水量 | 1 | | | | | | | | | | pH | -0.759 | 1 | | | | | | | | | 易溶盐含量 | -0.314 | 0.789 | 1 | | | | | | | | 有机质 | -0.037 | -0.504 | -0.794 | 1 | | | | | | | 全氮 | 0.690 | -0.918* | -0.561 | 0.334 | 1 | | | | | | 全磷 | 0.987** | -0.825 | -0.364 | 0.011 | 0.794 | 1 | | | | | 全钾 | 0.527 | -0.121 | 0.423 | -0.247 | 0.275 | 0.504 | 1 | | | | 水解性氮 | 0.933* | -0.660 | -0.220 | -0.281 | 0.631 | 0.929* | 0.355 | 1 | | | 有效磷 | 0.897* | -0.953* | -0.584 | 0.237 | 0.924* | 0.950* | 0.316 | 0.837 | 1 | | 速效钾 | -0.034 | 0.481 | 0.752 | -0.344 | -0.352 | -0.105 | 0.784 | -0.192 | -0.331 | 1 | 黑山嘴 工程治理区 | 含水量 | 1 | | | | | | | | | | pH | 0.721 | 1 | | | | | | | | | 易溶盐含量 | -0.422 | -0.807 | 1 | | | | | | | | 有机质 | 0.641 | 0.558 | -0.401 | 1 | | | | | | | 全氮 | -0.491 | -0.800 | 0.992** | -0.403 | 1 | | | | | | 全磷 | -0.836 | -0.896* | 0.836 | -0.516 | 0.879* | 1 | | | | | 全钾 | -0.467 | -0.586 | 0.842 | -0.093 | 0.892* | 0.822 | 1 | | | | 水解性氮 | -0.714 | -0.638 | 0.518 | 0.004 | 0.590 | 0.809 | 0.771 | 1 | | | 有效磷 | -0.392 | -0.753 | 0.988** | -0.474 | 0.980** | 0.797 | 0.807 | 0.417 | 1 | | 速效钾 | -0.389 | -0.735 | 0.992** | -0.368 | 0.992** | 0.814 | 0.878* | 0.507 | 0.990** | 1 |
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