Question

what is soil erosion? ​

Answer 1

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Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice, snow, air, plants, animals, and humans.

Answer 2

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Soil erosion :- Displacement of upper layer of soil , it is also known as soil degradation . This natural process is caused by activities such as agent are water , ice , snow , plant, animal and human beings etc.

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Soil :- soil is one of the most important natural resources it provides encouraged to plants and supplies water and nutrients .it is the home for many organism. soil is essential for agriculture .

Soil Profile :-

Humus :- the rotting that matter in the soil is called humus. humus is the upper layer of soil profile.

Top Soil :- the layer is generally soft porous and can retain more water . it is called top soil or A - horizon.

Middle Layer :- the layer is generally harder and more compact and is called B - horizon or middle layer.

BedRock :- it is made up of small lumps of rocks . below this layer is bedrock which is hard and difficult to dig with a spade.

Types of soil :-

Sandy Soil :- is soil contains greater proportion of big particles is it is called sandy soil.

Clayey soil :- if if the proportion of fine particle is relative Lee higher than it is called clay soil.

Loamy soil :- the best top soil fir growing plant is loamy soil . Loamy soil is the mixture of clay , sand and another type of soil known as slit .