case studies banner
home
principles
people
activities
case studies
books
links

 

On the right side, barren soil (zipella the singular of zipelle) where grass is difficult to grow. But on the left side, thanks to stony line and Zai system, sorghum crop is growing fairly well. sorghum
It shows the holes of Zai system. The farmer has not yet put manure into them.  zai system
The impact of runoff and erosion phenomenon on a stony line. This line located up-stream, has not been stabilized with vegetation like Andropogon gayanus. 

erosion