Soil is an are important ecological factor in ecosystem.The physical and chemical properties difference of soil will greatly affect the growth of plants,and consequently affect the species composition and spacial distribution of plant community.Based on the investigation data of the Aeluropus littoralis var.sinensis community from Songnen Grassland and the five soils factor:organic matter,available phosphorus,available nitrogen,pH values and electric conductivity,the dissertation studied the correla...