Yanchi County is one of the most serious counties among the Ningxia Hui Autonomous Region, which desertification area is believed to occupy 39.4% of the total desertification area in Ningxia.

• 摘要盐池县是于夏回族自治区土地沙化最严重的县之一，其沙化土地面积占全自治区的39.；4%25。