重庆典型农业区土壤硒地球化学特征及影响因素

余飞, 张风雷, 张永文, 王锐, 王佳彬

Geochemical characteristics and influential factors of soil selenium in typical agricultural area, Chongqing

YU Fei, ZHANG Feng-Lei, ZHANG Yong-Wen, WANG Rui, WANG Jia-Bin

表4 土壤Se与常量元素的相关性

Table 4 The correlation coefficients between Se and major elements in soils in study area

指标 N P S SiO2 Al2O3 Fe2O3 MgO CaO Na2O K2O Se 0.577** 0.402** 0.662** -0.267** -0.027 0.344** 0.057** 0.126** -0.276 -0.152