Abstract:The study collects 628 topsoil samples at a density of 4 points/km2 in farm and forest areas of Wanjinshan Township, Baoqing County, to analyze 28 chemical indexes including Se etc. The results show that the average Se content in the topsoil is 0.28×10-6, ranging from 0.065×10-6 to 0.51×10-6, with the Se-rich land accounting for 3.16%, Se-sufficient land 92.3%, potential Se-deficient land 4.3%, Se-deficient land 0.24% and no Se poisoning area. Black soil type has the highest Se content, while swamp soil type has the lowest Se content. The Se contents in different land use patterns are ranked as follows:dry field > paddy field > shrub land > arbor land > grassland and other land. Correlation analysis indicates that soil TOC and clay content promote the enrichment of Se, while pH has a limited influence on Se content but significant effect on Se availability.
赵建, 孔繁鹏, 刘洪博, 何金宝, 吕祥熙. 黑龙江省宝清县万金山乡土壤硒分布特征及其与土壤性质关系[J]. 地质与资源, 2023, 32(2): 233-237,210.
ZHAO Jian, KONG Fan-peng, LIU Hong-bo, HE Jin-bao, LYU Xiang-xi. DISTRIBUTION OF SOIL SELENIUM AND ITS RELATIONSHIP WITH SOIL PROPERTIES IN WANJINSHAN OF BAOQING COUNTY, HEILONGJIANG PROVINCE. GEOLOGY AND RESOURCES, 2023, 32(2): 233-237,210.
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