1

Assessment of gully erosion in eastern Ethiopia using photogrammetric techniques

Year:
2003
Language:
english
File:
PDF, 1.25 MB
english, 2003
2

Note on effects of soil surface crust on the grain yield of sorghum (Sorghum bicolor) in the Sahel

Year:
1999
Language:
english
File:
PDF, 113 KB
english, 1999