Using comparative analysis and documentation method,this paper reveals infeasibility of establishing land development rights in China based on the path of real
In 2007- 2008,a systematic survey,collection and arrangement was carried out for agricultural biological resources and traditional cultural knowledge of Hani Pe
The pollution characteristics of Cd,Cr,Cu,Zn,Ni and Hg in agricultural soil around coal mining area were studied. After longterm mining activity,the soil around