洛阳市伊川县鸦岭镇—汝阳县小店镇一带表层土壤硒形态研究
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侯进凯, 宋延斌, 朱瑞祯, 莘丰培, 周建川, 鲁富兰, 姚婕
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Selenium speciation in surface soil in Yaling Town, Yichuan County—Xiaodian Town,Ruyang County in Luoyang City
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HOU Jin-Kai, SONG Yan-Bin, ZHU Rui-Zhen, XIN Feng-Pei, ZHOU Jian-Chuan, LU Fu-Lan, YAO Jie
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表4 不同土壤类型中各形态硒含量特征值统计
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Table 4 Statistic table of charactor values of selenium speciation in different soil types
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指标 | 潮土 | 粗骨土 | 褐土 | 红黏土 | 砂浆黑土 | 水稻土 | 总硒 | 平均值/10-9 | 375.0 | 348.5 | 341.7 | 278.0 | 462.5 | 360.0 | 水溶态 | 平均值/10-9 | 2.89 | 2.61 | 3.12 | 3.84 | 4.06 | 4.00 | | 占比/% | 0.77 | 0.75 | 0.91 | 1.38 | 0.88 | 1.11 | 离子交换态 | 平均值/10-9 | 4.98 | 6.20 | 7.28 | 9.15 | 4.80 | 7.13 | | 占比/% | 1.33 | 1.78 | 2.13 | 3.29 | 1.04 | 1.98 | 碳酸盐态 | 平均值/10-9 | 3.48 | 5.11 | 4.19 | 4.25 | 7.78 | 4.36 | | 占比/% | 0.93 | 1.47 | 1.23 | 1.53 | 1.68 | 1.21 | 腐殖酸态 | 平均值/10-9 | 116.28 | 115.18 | 113.43 | 112.48 | 130.10 | 120.50 | | 占比/% | 31.01 | 33.05 | 33.20 | 40.46 | 28.13 | 33.47 | 铁锰氧化物态 | 平均值/10-9 | 7.64 | 7.28 | 6.36 | 7.94 | 7.30 | 8.66 | | 占比/% | 2.04 | 2.09 | 1.86 | 2.86 | 1.58 | 2.41 | 强有机态 | 平均值/10-9 | 122.46 | 73.98 | 90.92 | 27.50 | 165.33 | 78.50 | | 占比/% | 32.66 | 21.23 | 26.61 | 9.89 | 35.75 | 21.81 | 残渣态 | 平均值/10-9 | 99.10 | 126.82 | 107.04 | 105.50 | 104.20 | 111.26 | | 占比/% | 26.43 | 36.39 | 31.33 | 37.95 | 22.53 | 30.91 |
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