凤凰县土壤—农作物系统中Cd含量及迁移富集特征

肖凯琦, 徐宏根, 戴亮亮, 李毅, 李凯

Cd in the soil-crop system in Fenghuang County: Content and migration and enrichment characteristics

XIAO Kai-Qi, XU Hong-Gen, DAI Liang-Liang, LI Yi, LI Kai

表4 研究区土壤重金属与理化性质相关系数

Table 4 Correlation coefficient between heavy metals and physicochemical properties of soil in the study area

元素	Mn	SiO₂	Al₂O₃	TFe₂O₃	MgO	CaO	Na₂O	TC	pH
As	0.503^**	0.144	0.180^*	0.532^**	-0.109	-0.041	-0.468^**	-0.221^*	-0.132
Cd	0.127	-0.376^**	0.067	0.185^*	0.492^**	0.419^**	0.196^*	0.569^**	0.704^**
Cr	0.412^**	-0.307^**	0.155	0.762^**	0.429^**	0.158	-0.285^**	0.146	0.181^*
Cu	-0.079	-0.470^**	0.376^**	0.370^**	0.649^**	0.236^**	0.103	0.552^**	0.423^**
Hg	0.101	-0.167	-0.054	0.038	0.007	0.308^**	-0.059	0.350^**	0.274^**
Ni	0.189^*	-0.398^**	0.497^**	0.716^**	0.598^**	-0.036	-0.055	0.162	0.12
Pb	0.098	0.096	0.117	0.246^**	-0.036	-0.232^*	-0.212^*	-0.043	0.184^*
Zn	0.1	-0.425^**	0.498^**	0.531^**	0.408^**	0.033	0.016	0.190^*	0.108