SPATIAL DISTRIBUTION OF SOIL SELENIUM AND ITS RELATION WITH SOIL PROPERTIES IN SUILING COUNTY, HEILONGJIANG PROVINCE
JIANG Xia1,2, ZHANG Li2,3, CUI Yu-jun2,3, LI Ying2,3
1. Heilongjiang Bureau of Geology and Mineral Resources, Harbin 150036, China; 2. Heilongjiang Key Laboratory of Black Soil and Water Resources Research, Harbin 150036, China; 3. Heilongjiang Institute of Natural Resources Survey, Harbin 150036, China
Abstract:Based on the 7 701 high-precision soil data obtained from 1:50 000 special survey of the Se-rich land in Heilongjiang Province, the paper analyzes the physiochemical indexes such as Se, TOC and pH, and uses statistical analysis and correlation analysis to study the spatial distribution characteristics of Se in farmland soil of Suiling County and discuss the relation between soil property and Se. The results show that the soil Se content is 0.05×10-6-0.87×10-6, averagely 0.27×10-6. The farmland soil is Se-sufficient dominated, accounting for 88.00%, with Se-rich soil 3.90%, potential Se-deficiency soil 7.24% and Se-deficient soil 0.86%. The average Se content in different soil types from high to low is as follows:black soil, meadow soil, dark brown soil, albic soil and aeolian sandy soil. The correlation analysis results indicate that TOC is the major factor affecting soil Se content, while the influence of pH is not so obvious.
姜侠, 张立, 崔玉军, 李瑛. 黑龙江省绥棱县土壤硒空间分布特征及其与土壤性质的关系[J]. 地质与资源, 2020, 29(6): 592-596,578.
JIANG Xia, ZHANG Li, CUI Yu-jun, LI Ying. SPATIAL DISTRIBUTION OF SOIL SELENIUM AND ITS RELATION WITH SOIL PROPERTIES IN SUILING COUNTY, HEILONGJIANG PROVINCE. GEOLOGY AND RESOURCES, 2020, 29(6): 592-596,578.