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1 土壤中各形态硒含量特征值统计

Table 1 Statistic table of charactor values of selenium speciation content in soil

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 平均值/10-9 355.2 3.11 6.48 4.55 115.99 7.18 92.61 110.71 变异系数(CV) 0.363 0.575 0.357 0.486 0.223 0.231 0.751 0.342 占比/% 95.89 0.88 1.82 1.28 32.65 2.02 26.07 31.17