This report contains the results of the physical and chemical analysis of twenty four alluvial soils of the river Nun Kiang collected in its basin between Tsitsihar and Laha. On my journey in this district I thought this district may be divided into two parts in the middle from the various points. Analytical results are also clearly divided into two parts and shows that my above observation is right. Considering the texture of the soils, the northern soils are superior to the southern soils for agriculture. Chemical prop e rties are also good for plant vegetation as will be seen in the following data: (snip)