水土流失区土壤硒、锌地球化学特征及其生物有效性—

水土流失区土壤硒、锌地球化学特征及其生物有效性——以福建省长汀县为例

唐志敏, 张晓东, 梅丽辉, 湛龙, 陈国光, 刘红樱, 周墨, 张明, 张洁

Geochemical characteristics and bioavailability of selenium and zinc in soils in an area subjected to water and soil erosion : A case study of Changting County, Fujian Province

TANG Zhi-Min, ZHANG Xiao-Dong, MEI Li-Hui, ZHAN Long, CHEN Guo-Guang, LIU Hong-Ying, ZHOU Mo, ZHANG Ming, ZHANG Jie

表3 水稻Se、Zn含量与根系土指标相关系数

Table 3 Correlation coefficient between rice selenium and zinc contents and root soil indexes

指标	Zn-R	Se-R	SiO₂	Al₂O₃	CaO	TFe₂O₃	K₂O	MgO	Na₂O	pH	S	有机质	Se-T	Zn-T	BCF_Se	BCF_Zn	w(Si)/ w(Al)	CIA	w(Fe)/ w(Mg)
Zn-R	1.000
Se-R	0.346^*	1.000
SiO₂	0.007	-0.503^**	1.000
Al₂O₃	0.051	0.506^**	-0.963^**	1.000
CaO	-0.122	0.387^**	-0.526^**	0.416^**	1.000
TFe₂O₃	0.052	0.563^**	-0.733^**	0.576^**	0.600^**	1.000
K₂O	-0.295^*	-0.163	-0.494^**	0.455^**	0.169	0.135	1.000
MgO	-0.106	0.158	-0.268	0.039	0.545^**	0.710^**	0.134	1.000
Na₂O	-0.310^*	-0.216	-0.179	0.098	0.272	0.061	0.765^**	0.281	1.000
pH	-0.140	-0.230	0.426^**	-0.539^**	0.335^*	-0.037	-0.172	0.396^**	0.183	1.000
S	-0.019	0.055	-0.351^*	0.447^**	0.187	-0.163	0.119	-.388^**	-0.104	-.368^**	1.000
有机质	0.049	0.258	-0.597^**	0.620^**	0.466^**	0.215	0.180	-0.040	-0.020	-.297^*	0.774^**	1.000
Se-T	0.042	0.649^**	-0.739^**	0.661^**	0.700^**	0.788^**	0.035	0.386^**	-0.036	-0.058	0.189	0.575^**	1.000
Zn-T	-0.147	0.290^*	-0.719^**	0.582^**	0.661^**	0.732^**	0.541^**	0.631^**	0.494^**	0.069	-0.035	0.349^*	0.633^**	1.000
BCF_Se	0.289^*	0.005	0.613^**	-0.513^**	-0.556^**	-0.582^**	-0.238	-0.379^**	-0.140	-0.027	-0.216	-0.520^**	-0.729^**	-0.611^**	1.000
BCF_Zn	0.533^**	-0.055	0.649^**	-0.511^**	-0.573^**	-0.576^**	-0.613^**	-0.540^**	-0.544^**	-0.041	-0.056	-0.346^*	-0.495^**	-0.839^**	0.664^**	1.000
w(Si)/ w(Al)	0.096	-0.349^*	0.939^**	-0.909^**	-0.466^**	-0.606^**	-0.637^**	-0.236	-0.327^*	0.412^**	-0.315^*	-0.547^**	-0.617^**	-0.679^**	0.605^**	0.696^**	1.000
CIA	0.281	0.615^**	-0.532^**	0.618^**	0.166	0.416^**	-0.370^**	-0.141	-0.611^**	-.455^**	0.315^*	0.414^**	0.588^**	0.069	-0.307^*	0.060	-0.392^**	1.000
w(Fe)/ w(Mg)	0.180	0.516^**	-0.575^**	0.676^**	0.092	0.345^*	-0.026	-0.384^**	-0.251	-.553^**	0.264	0.304^*	0.505^**	0.088	-0.269	-0.019	-0.478^**	0.735^**	1.000