On the loess-palaeosol slope in Yangling,there was little Barbula vinealis grown on the paleosol outcrop,while it grew well on the loess outcrop.The chemical and physical properties of loess and paleosol samples,and an indoor culture experiment were carried out.The results showed,for the contents of fine particles,the available K,available Fe,available Mn and organic matter,the values of paleosol were higher than those of loess,and as for the CaCO3 and available P,the content values of loess were higher tha...