A Soil Conservation Research Program (SCRP) has been on-going in Anjeni Watershed, Amhara Region, Ethiopia since the 198......

以西气东输工程为例,根据项目主体可行性研究的要求,论证了绿化土地的分布和面积,分析了绿化地的立地条件,提出了绿化植物种选择方......