From 1991 to 1993, We investigated on the Gastropoda and Lamellibranchia animals in the interidal zone of Dianbai county,Guangdong provice, and 107 species of Gastropoda have been made out,which are fallen separately into 74 Genera 43 Families and 5 Orders, and 83 species of Lamellibranchia which are placed separately into 46 Genera 18 Families and 3 Orders.

The shale could be broken directly prior to being utilized for agricultural purposes,based on the measured contents of its rapidly available kalium and slowly available kalium, in the remote area of Guizhou where there is abundant in the resources of shale containing kalium.