Question

what is the properti of soil​

Answer 1

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$\huge\mathfrak\orange{Answer}$

$\Large\bold\red{Properties\:of\: Soil :}$

The upper layer of earth in which plants grow is called soil. It is black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

The soil has the following special properties:

• Texture

• Absorption of water

• Moisture

• Colour

• Soil pH

• Percolation Rate

• Soil contains air

$\Large\fbox\purple{Texture}$

The texture of the soil depends upon the relative amount of these particles. Clay has the smallest sized particles. Because of very small size, the clay is felt smooth. Silt particles are larger than the clay particles

$\Large\fbox\pink{Absorption\:of\: water}$

Water holding capacity in different types of soils is different. Soil absorbs water because it is porous. Sandy soil holds less water than clay soil and loamy soil. Clay soil holds more water than sandy soil. Sand absorbs less water than clay.

$\Large\fbox\purple{Moisture}$

Texture decides the water holding capacity of the soil. The soil has some amount of water inside it as a moisture. Water is usually present as a thin film around the soil particles. It is absorbed by the roots of the plants.

$\Large\fbox\pink{Colour}$

Soils are of different colours. They are red white and black. The red colour of the soil is due to the presence of iron oxide. The black colour soil is rich in minerals and humus. It is good for the growth of wheat and jowar.

$\Large\fbox\purple{Soil\:pH}$

Soil can be acid, alkaline or neutral. Some plants grow in acidic soil (pH below 7) such as potatoes and kumara. Carrots and lettuces prefer soil with neutral pH (7.0). Soil become more acidic over time as minerals are leached away.

$\Large\fbox\pink{Percolation\: Rate}$

When we sprinkle water on the ground, it is soon absorbed by the soil. This is because water percolates through the soil. The process in which water passes down slowly through the sol is called percolation of water. But water does not percolate at the same rate in all types of soils

$\Large\fbox\purple{Soil\:contains \:air}$

Air is present in the space between the soil particles. This air provides the oxygen required for respiration by roots of plants and other organisms. Sand particles are quite large. Sand particles cannot fit closely together, so there is large space between sand particle is filled with air.

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