It is critically important to dig terraces on the banks of the sand dam catchment area to reduce the amount of silt running into the sand dam. If the terraces are not dug, the sand dam will fill with silt and the dam will not store water. Terraces slow down running water and it is stored on the banks and available for fodder crops such as Napier grass, which provides good fodder and serves as an anchor for the terrace, further preventing erosion. The terraces keep manure from being washed away and increase the aeration of the soil. Farmers see a distinct increase in crop yield if their land is terraced. Farmers benefit with terracing even at 2% slopes or lower.
A National Geographic (Nov. 2009) article on the benefits of terracing to the soil gives the following quote:
Where the rain runs, we make it walk.
Where the rain walks, we make it crawl.
Where the rain crawls, we make it sink into the ground.
The community group decides what types of trees it wants fo
r different uses and how many seedlings to plant for their needs. The community group provides the site, labor, and maintenance f
or the tree nursery. UDO provides seeds, plastic sleeves, manure and pesticide. UDO promotes the use of indigenous, medicinal, and endangered species.
Related link: Plant and Tree Database
PROTECTED FOREST PROJECTS:
UDO has three protected forest projects to provide living seed banks also known as medicine forests for nationally or globally endangered species.