聊城市典型农业区耕地土壤养分元素地球化学特征
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张文强, 李常锁, 刘金鑫, 程诗悦, 滕跃, 李根林
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Geochemical characteristics of soil nutrient elements in cultivated land within a typical agricultural area, Liaocheng City, China
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ZHANG Wen-Qiang, LI Chang-Suo, LIU Jin-Xin, CHENG Shi-Yue, TENG Yue, LI Gen-Lin
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表5 研究区土壤地球化学元素含量特征参数统计
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Table 5 Statistics of soil geochemical element content characteristic parameters in study area
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| 指标 | 最小值 | 最大值 | 平均值 | 标准差 | 变异系数 | 背景值 | | 东昌府区[13] | 聊城市[14] | 山东省[14] | | B | 35.20 | 62.70 | 48.64 | 6.40 | 0.13 | 54.76 | 50.0 | 42.7 | | Cu | 14.90 | 41.90 | 22.64 | 4.16 | 0.18 | 23.82 | 21.3 | 22.6 | | F | 408.00 | 705.00 | 564.98 | 66.84 | 0.12 | 649 | 552 | 521 | | I | 1.09 | 10.60 | 3.61 | 1.88 | 0.52 | 3.854 | 1.94 | 1.96 | | Mn | 448.00 | 841.00 | 575.24 | 73.54 | 0.13 | 622 | 540 | 576 | | Mo | 0.34 | 1.23 | 0.65 | 0.15 | 0.23 | 0.712 | 0.57 | 0.58 | | N | 390 | 1340 | 890 | 230 | 0.26 | 1250 | 920 | 890 | | P | 631.00 | 3648.00 | 1657.82 | 579.17 | 0.35 | 1606 | 1101 | 824 | | S | 91.00 | 4324.00 | 473.39 | 590.53 | 1.25 | 308 | 234 | 211 | | Se | 0.10 | 2.03 | 0.24 | 0.22 | 0.92 | 0.223 | 0.19 | 0.18 | | Zn | 48.10 | 132.00 | 70.31 | 13.39 | 0.19 | 70.95 | 63.3 | 63.3 | | TFe2O3 | 3.20 | 5.66 | 4.01 | 0.44 | 0.11 | 4.683 | 4.1 | 4.31 | | CaO | 5.08 | 9.68 | 6.60 | 0.85 | 0.13 | 5.187 | 5.24 | 3.36 | | K2O | 2.22 | 2.81 | 2.42 | 0.12 | 0.05 | 2.299 | 2.29 | 2.47 | | SOM | 0.55 | 3.21 | 1.35 | 0.48 | 0.36 | 1.93 | 1.31 | 1.362 |
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