Soil Erosion is the removal of the topsoil due to the action of wind, rain etc.
Causes:
- Deforestation
- bush burning
- excessive rainfall
- overgrazing etc.
Effects:
- reduces soil fertility
- wears away the topsoil
- loss of farmlands
- destroys roads and other track ways.
Control:
- avoid bush burning & over-grazing
- plant cover crops like legumes, cowpea etc.