[待解决问题] THE
the cropland becomes an extension of the desert.
But that is not the only way farmers lose fertile soil.
Floods can remove fertile topsoil and begin a process resulting in the loss of planting areas.
Farmers should avoid continually planting crops in the same places, or letting animals feed year after year on the same lands.
Nigeria, for example, says it loses three hundred fifty thousand hectares of usable land each year
A nonprofit organization in Nigeria is working to bring public attention to the problem. The group is called Fighting Against Desert Encroachment, or FADE.
In northern Nigeria, the group organized a competition between schools in seven areas. The goal was to see who could plant the most trees.
But that is not the only way farmers lose fertile soil.
Floods can remove fertile topsoil and begin a process resulting in the loss of planting areas.
Farmers should avoid continually planting crops in the same places, or letting animals feed year after year on the same lands.
Nigeria, for example, says it loses three hundred fifty thousand hectares of usable land each year
A nonprofit organization in Nigeria is working to bring public attention to the problem. The group is called Fighting Against Desert Encroachment, or FADE.
In northern Nigeria, the group organized a competition between schools in seven areas. The goal was to see who could plant the most trees.