Silt
- I4
When the banks of the river
are eroded, the material is ground
up as it is carried downstream.
The very fine mud is called
silt. It is very fertile. - It's
very good for growing crops.
The River Nile floods every
year and when it recedes, the
land uncovered is very fertile.
The flat land by the river that
floods
is called a flood plain.
