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2 研究区域0—20 cm土壤养分的统计特征值
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Table 2 Statistical eigenvalues of nutrients content in 0-20 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 | 0.14 | 0.08 | 0.30 | 12.50 | 6.70 | 1.08 | 259.95 | 8.26 | 3.38 | 最大值 | 0.32 | 0.20 | 0.65 | 14.20 | 170.80 | 3.42 | 399.94 | 9.88 | 40.70 | 平均值 | 0.21 | 0.17 | 0.41 | 13.36 | 49.67 | 2.39 | 323.28 | 9.29 | 16.13 | CV/% | 33.49 | 28.66 | 31.34 | 5.09 | 129.22 | 40.61 | 17.89 | 8.00 | 117.07 | 2 | 最小值 | 0.15 | 0.04 | 0.13 | 7.84 | 6.70 | 0.67 | 319.94 | 8.16 | 1.06 | 最大值 | 0.77 | 0.07 | 0.26 | 13.06 | 18.08 | 4.38 | 359.94 | 9.60 | 40.70 | 平均值 | 0.33 | 0.05 | 0.20 | 10.11 | 11.22 | 1.91 | 337.44 | 9.13 | 11.96 | CV/% | 90.61 | 29.01 | 30.67 | 21.47 | 43.16 | 87.73 | 5.06 | 7.17 | 160.40 | 3 | 最小值 | 0.01 | 0.05 | 0.33 | 8.69 | 10.05 | 2.32 | 269.95 | 8.37 | 1.12 | 最大值 | 0.29 | 0.14 | 0.47 | 14.21 | 16.74 | 4.38 | 419.94 | 9.90 | 40.20 | 平均值 | 0.08 | 0.07 | 0.40 | 11.89 | 13.38 | 3.42 | 344.95 | 9.33 | 9.49 | CV/% | 126.13 | 42.65 | 13.92 | 16.17 | 20.98 | 23.41 | 17.08 | 6.38 | 159.75 | 4 | 最小值 | 0.18 | 0.05 | 0.33 | 10.18 | 3.43 | 1.50 | 209.96 | 9.19 | 3.67 | 最大值 | 0.26 | 0.08 | 0.37 | 11.35 | 89.16 | 18.40 | 929.89 | 10.13 | 219.00 | 平均值 | 0.23 | 0.07 | 0.35 | 10.62 | 37.72 | 12.58 | 539.91 | 9.75 | 141.56 | CV/% | 17.55 | 16.82 | 5.46 | 5.94 | 120.26 | 76.33 | 67.36 | 5.06 | 84.57 | 5 | 最小值 | 0.24 | 0.06 | 0.33 | 9.74 | 12.34 | 1.91 | 299.94 | 8.71 | 23.00 | 最大值 | 0.24 | 0.07 | 0.34 | 14.75 | 19.89 | 6.58 | 799.81 | 9.20 | 34.50 | 平均值 | 0.24 | 0.07 | 0.34 | 12.24 | 16.12 | 4.24 | 549.87 | 8.96 | 28.75 | CV/% | 0.38 | 7.78 | 0.57 | 28.91 | 33.11 | 77.82 | 64.28 | 3.87 | 28.28 | 6 | 最小值 | 0.18 | 0.04 | 0.24 | 10.01 | 1.37 | 0.12 | 169.98 | 8.99 | 1.02 | 最大值 | 0.31 | 0.08 | 0.48 | 14.18 | 13.03 | 5.48 | 479.91 | 10.00 | 4.85 | 平均值 | 0.23 | 0.06 | 0.39 | 12.54 | 6.86 | 2.49 | 307.94 | 9.70 | 3.13 | CV/% | 21.76 | 29.13 | 25.72 | 13.12 | 60.42 | 99.88 | 36.55 | 4.23 | 48.18 | 7 | 最小值 | 0.27 | 0.06 | 0.41 | 10.17 | 20.57 | 2.87 | 529.88 | 8.94 | 14.14 | 最大值 | 0.60 | 0.13 | 0.75 | 17.07 | 85.73 | 4.24 | 889.80 | 10.00 | 61.20 | 平均值 | 0.41 | 0.08 | 0.54 | 13.15 | 45.72 | 3.65 | 759.84 | 9.56 | 32.08 | CV/% | 41.77 | 45.75 | 34.41 | 26.99 | 76.61 | 19.32 | 26.28 | 5.79 | 79.31 | 8 | 最小值 | 0.28 | 0.05 | 0.37 | 9.00 | 3.43 | 1.50 | 229.95 | 9.45 | 4.68 | 最大值 | 0.37 | 0.08 | 0.57 | 12.70 | 6.86 | 1.77 | 309.95 | 9.53 | 4.99 | 平均值 | 0.34 | 0.06 | 0.48 | 11.13 | 5.72 | 1.59 | 269.95 | 9.48 | 4.82 | CV/% | 16.30 | 20.72 | 20.82 | 17.16 | 34.63 | 9.98 | 14.82 | 0.49 | 3.24 |
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