巴丹吉林沙漠周边地区土壤养分和粒度特征
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王蒙, 逯军峰, 付鹏, 董治宝
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Characteristics of soil nutrients and grain size around Badain Jaran Desert
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Meng Wang, Junfeng Lu, Peng Fu, Zhibao Dong
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表3 研究区域20—40 cm土壤养分的统计特征值
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Table 3 Statistical eigenvalues of nutrients content in 20-40 cm soil layer of study areas
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研究 区域 | 统计 参数 | OM /% | TN /(g·kg-1) | TP /(g·kg-1) | TK /(g·kg-1) | AN /(mg·kg-1) | AP /(mg·kg-1) | AK /(mg·kg-1) | pH | EC /(μS·cm-1) |
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1 | 最小值 | 0.11 | 0.11 | 0.25 | 12.36 | 8.71 | 0.12 | 199.97 | 8.32 | 3.91 | 最大值 | 0.42 | 0.19 | 0.65 | 17.46 | 28.13 | 3.15 | 389.94 | 9.89 | 40.60 | 平均值 | 0.20 | 0.16 | 0.40 | 14.39 | 15.07 | 1.86 | 299.95 | 9.53 | 11.01 | CV/% | 58.13 | 19.31 | 33.41 | 12.20 | 50.49 | 64.38 | 24.49 | 6.26 | 132.55 | 2 | 最小值 | 0.11 | 0.05 | 0.15 | 9.38 | 6.70 | 0.12 | 329.94 | 8.41 | 0.78 | 最大值 | 0.33 | 0.07 | 0.21 | 13.90 | 154.04 | 1.08 | 349.95 | 9.47 | 40.30 | 平均值 | 0.20 | 0.06 | 0.18 | 10.91 | 47.72 | 0.50 | 334.96 | 9.03 | 11.68 | CV/% | 44.66 | 12.18 | 16.24 | 18.72 | 149.02 | 84.88 | 2.98 | 5.53 | 163.64 | 3 | 最小值 | 0.02 | 0.05 | 0.19 | 10.19 | 7.54 | 1.36 | 249.96 | 8.28 | 3.05 | 最大值 | 0.15 | 0.15 | 0.42 | 13.51 | 13.40 | 4.38 | 379.91 | 9.92 | 40.20 | 平均值 | 0.07 | 0.10 | 0.32 | 12.37 | 10.41 | 2.64 | 323.27 | 9.19 | 15.79 | CV/% | 99.89 | 53.17 | 38.34 | 15.27 | 28.13 | 59.14 | 20.59 | 9.09 | 133.92 | 4 | 最小值 | 0.11 | 0.05 | 0.40 | 9.37 | 6.86 | 1.22 | 159.96 | 9.17 | 3.68 | 最大值 | 0.31 | 0.13 | 0.59 | 11.55 | 27.44 | 33.51 | 639.87 | 10.22 | 214.00 | 平均值 | 0.24 | 0.09 | 0.48 | 10.76 | 17.15 | 16.24 | 453.26 | 9.76 | 94.89 | CV/% | 45.49 | 44.93 | 20.68 | 11.23 | 60.00 | 100.10 | 56.73 | 5.49 | 113.71 | 5 | 最小值 | 0.20 | 0.06 | 0.25 | 8.87 | 6.86 | 3.56 | 279.95 | 9.11 | 32.90 | 最大值 | 0.26 | 0.11 | 0.35 | 15.37 | 6.86 | 6.03 | 779.85 | 9.28 | 121.20 | 平均值 | 0.23 | 0.08 | 0.30 | 12.12 | 6.86 | 4.79 | 529.90 | 9.20 | 77.05 | CV/% | 17.70 | 37.82 | 22.22 | 37.93 | 0.01 | 36.46 | 66.71 | 1.31 | 81.04 | 6 | 最小值 | 0.20 | 0.05 | 0.15 | 9.50 | 0.69 | 0.40 | 179.96 | 8.82 | 3.16 | 最大值 | 0.25 | 0.08 | 0.48 | 15.23 | 6.86 | 7.40 | 409.90 | 10.12 | 4.61 | 平均值 | 0.23 | 0.06 | 0.35 | 11.45 | 5.62 | 2.57 | 311.92 | 9.72 | 3.83 | CV/% | 8.53 | 14.85 | 38.60 | 19.91 | 49.08 | 115.23 | 31.52 | 5.32 | 18.04 | 7 | 最小值 | 0.23 | 0.05 | 0.40 | 10.02 | 19.20 | 1.77 | 689.83 | 8.85 | 24.30 | 最大值 | 0.35 | 0.11 | 0.42 | 14.38 | 89.15 | 12.35 | 869.80 | 10.12 | 43.70 | 平均值 | 0.29 | 0.08 | 0.41 | 12.20 | 54.18 | 7.06 | 779.81 | 9.49 | 34.00 | CV/% | 30.55 | 45.52 | 1.90 | 25.30 | 91.29 | 105.93 | 16.32 | 9.47 | 40.35 | 8 | 最小值 | 0.30 | 0.05 | 0.37 | 10.70 | 6.86 | 0.95 | 169.99 | 9.52 | 4.69 | 最大值 | 0.35 | 0.09 | 0.53 | 11.04 | 6.86 | 1.09 | 229.95 | 9.53 | 5.46 | 平均值 | 0.32 | 0.07 | 0.45 | 10.87 | 6.86 | 1.02 | 199.97 | 9.53 | 5.08 | CV/% | 10.48 | 45.08 | 25.42 | 2.24 | 0.00 | 9.56 | 21.20 | 0.07 | 10.73 |
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