排序方式: 共有1条查询结果,搜索用时 31 毫秒
1
1.
WANG Fei LI Rui JIAO Feng YANG Qingke TIAN Junliang 《地理学报(英文版)》2005,15(4):484-490
1 Introduction The soilerosion in Loess Plateau is mostserious on the globe mainly due to the destroying of naturalvegetation and cultivation on slope land overextensive areas(Yang and Yu,1992;Jiang, 1997).To convertsloping cropland (cropped land on slope… 相似文献
1