DISCUSSION ON THE DISTRIBUTION AND UTILIZATION OF SELENIUM-RICH LAND RESOURCES IN SHUCHANG-YAOGUAN AREA,SHIDIAN COUNTY
In 2022,the'natural selenium-rich land in Shidian County,Yunnan Province(Jiucheng Township,Yaoguan Town)'was recognized as a natural selenium-rich land by the Geological Society of China.A total of 255.43 km2 of land was designated as generally selenium-rich,with an average Se content of 0.45 mg/kg in the surface soil,which is higher than the average values for surface soil in western Yunnan(0.41 mg/kg)and the national soil layer A(0.29 mg/kg).Five major specialty agricultural zones and 24 specialty agricultural sub-regions were delineated within the generally selenium-rich arable land.The creation of the Shidian selenium-rich brand has transformed resource advantages into industrial and economic benefits,which promote rural revitalization.
Selenium-Rich LandDistribution CharacteristicsDevelopment and UtilizationShuichang-YaoguanShidian,Yunnan
万方数据
维普
