Concentration characteristics of available nitrogen,phosphorus,and potassium from soil of colorful leaf landscape forests in Mt.Micang are studied by soil profiles sampling method. The results show that: the content of available nitrogen,phosphorus and potassium of soil profiles in different communities has evident gradients,i. e. it is larger in humus horizon than that in eluvial horizon; except available potassium in eluvial horizon,the content of available nitrogen,phosphorus and potassium both in humus ...