Indigenous Stone Bunding (KAB) on Crop Yield, Ethiopia

The stone bunds form a barrier that slows down water runoff, allowing rainwater to seep into the soil and spread more evenly over the land. This slowing down of water runoff helps with building-up a layer of fine soil and manure particles, rich in nutrients.
http://dx.doi.org/10.1016/j.cropro.2014.08.008