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Basic Science

Erosion is the washing away or wearing of the top soil and sub-soil from land either by water or wind.

Process of Soil Erosion

-Detachment is when the top soil is actually detached from the rest of the soil.

-Movement is when the top soil is transported to another area.

-Deposition is where the top soil ends or deposited.

CAUSES OF SOIL EROSION

-Overgrazing of the grasses or plants of a particular area( using animals to eat up the plant)

-Bush burning setting bush into fire.)

-Deforestation (cutting down of trees).

-Building and construction work

-Some wrong method of agricultural practices (farming)

-some other human activities such as oil spillage and mining activities.

Ways of Controlling or Preventing Erosion

-Mulching (using plant materials to cover heaps or soil surface)

-Avoid overgrazing.

Avoid bush burning

-By organizing public education awareness.

-Through afforestation programs (tree planting).

-By planting of cover crops which help to cover the soil to the soil from being exposed to the agent of erosion.

-By making terracing and contour across erosion area.

Effects of Soil Erosion

-It can lead to water pollution.

-It can cause the soil to its fertility

-It can increase soil acidity which will affect the well

being of the plant.

 

See also

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