Supported by Projects in the National Science&Technology Pillar Program during the Twelfth Five-Year Plan Period(2012BAD16B0202);National Natural Science Foundation of China(41171002);Scientific Research Foundation of Beijing Normal University~~
In order to explore effects of vegetation on nutrients in soils, nutrients characters of soils under natural grass, closed grass, abandoned lands, forest lands returned from farmlands and fixed sandy areas in Mu Us De...