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

侯进凯, 宋延斌, 朱瑞祯, 莘丰培, 周建川, 鲁富兰, 姚婕

Selenium speciation in surface soil in Yaling Town, Yichuan County—Xiaodian Town,Ruyang County in Luoyang City

HOU Jin-Kai, SONG Yan-Bin, ZHU Rui-Zhen, XIN Feng-Pei, ZHOU Jian-Chuan, LU Fu-Lan, YAO Jie

表3 不同酸碱度土壤中各形态硒含量特征值统计

Table 3 Statistic table of charactor values of selenium speciation in soils with different pH

指标 总硒 水溶态 离子交换态 碳酸盐态 腐殖酸态 铁锰氧化物态 强有机态 残渣态 酸性 平均值/10-9 491.0 1.50 4.68 2.74 139.15 6.37 169.40 142.96 占比/% 0.31 0.95 0.56 28.34 1.30 34.50 29.12 中性 平均值/10-9 365.9 2.08 4.52 4.04 113.64 7.23 104.93 112.60 占比/% 0.57 1.23 1.10 31.06 1.97 28.68 30.78 碱性 平均值/10-9 329.3 3.80 7.59 5.05 113.32 7.29 75.31 104.83 占比/% 1.15 2.31 1.53 34.42 2.21 22.87 31.84