Paper analyzed formation and characteristics of light sierozem in Ningxia, put forwards existing problems during developmental sierozem, and discussed ways of its amelioration and utilization.

• 在分析了宁夏淡灰钙土现状的基础上，阐述了淡灰钙土开发利用中存在的问题，探讨了改良利用的途径。