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The types and the properties of the soil

The soil types
The types of the soil are the sand soil, the silt soil and the clay soil

What are the types of soil?

You can see the soil around you, you will notice the different crops which are planted in the different types of the soil, The soil can be classified into three different types according to the kind of the particles (the components) that form it.

The types of the soil are the sand soil, the silt soil and the clay soil.

The sand soil

The sand soil is the soil that rarely contains the humus, and It composed mainly of the sand particles, a small amount of the clay and the silt.

The sand soil is called by this name as it is composed mainly of the sand particles.

The sand soil properties 
  • The fertility of the sand soil is low.

  • It is well-aerated soil that has low absorption of the water.

  • The size of its particles is large.

  • The colour of the sand soil is yellow.

  • It is weekly composed (loose).

  • It has the fastest and greatest drainage of the water.

The silt soil

The silt soil is the soil that contains more humus, and it composed of a mixture of the equal amounts of the sand, the gravels, the silt and the clay.

The silt soil properties
  • The colour of the silt soil is grey.

  • The size of its particles is medium (between the sand soil particles and the clay soil particles.

  • It is moderately aerated soil that has medium absorption of the water.

  • It is moderately compacted.

  • It has high fertility.

  • It has the medium drainage of the water.

The clay soil

The clay soil composed mainly of the clay and the silt particles, and a small amount of the sand and the humus.

The clay soil is called by this name as it is composed mainly of the clay and the silt particles.

The clay soil properties
  • The colour of the clay soil is dark (black).

  • The size of its particles is small.

  • It is fertile.

  • It has highly compacted (hard).

  • It is poorly aerated soil that has a high absorption of the water.

  • It has the lowest drainage of the water.

The soil layers and the living organisms

The formation and the importance of the soil

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