Question

Explain the types of soil​

Answer 1

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Soil is a natural resource that can be categorised into different soil types, each with distinct characteristics that provide growing benefits and limitations. ... Soil can be categorised into sand, clay, silt, peat, chalk and loam types of soil based on the dominating size of the particles within a soil.

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Answer 2

Explanation:

From a general perspective, “soil” is a very broad term and refers to the loose layer of earth that covers the surface of the planet. The soil is the part of the earth’s surface, which includes disintegrated rock, humus, inorganic and organic materials. For soil to form from rocks, it takes an average of 500 years or more. The soil is usually formed when rocks break up into their constituent parts. When a range of different forces act on the rocks, they break into smaller parts to form the soil. These forces also include the impact of wind, water and the reaction from salts.

There are three stages of soil:

Solid soil

Soil with air in the pores

Soil with water in the pores

Soil is classified into four types:

Sandy soil.

Silt Soil.

Clay Soil.

Loamy Soil.

Sandy Soil

The first type of soil is sand. It consists of small particles of weathered rock. Sandy soils are one of the poorest types of soil for growing plants because it has very low nutrients and poor water holding capacity, which makes it hard for the plant’s roots to absorb water. This type of soil is very good for the drainage system. Sandy soil is usually formed by the breakdown or fragmentation of rocks like granite, limestone and quartz.

Silty Soil - Finer particles when compared to sand

Silt Soil

Silt, which is known to have much smaller particles compared to sandy soil and is made up of rock and other mineral particles, which are smaller than sand and larger than clay. It is the smooth and fine quality of the soil that holds water better than sand. Silt is easily transported by moving currents and it is mainly found near the river, lake and other water bodies. The silt soil is more fertile compared to the other three types of soil. Therefore, it is also used in agricultural practices to improve soil fertility.

Clay Soil - It has the smallest particle among the three

Clay Soil

Clay is the smallest particle amongst the other two types of soil. The particles in this soil are tightly packed together with each other with very little or no airspace. This soil has very good water storage qualities and makes it hard for moisture and air to penetrate into it. It is very sticky to the touch when wet, but smooth when drie d. Clay is the densest and heaviest type of soil which does not drain well or provide space for plant roots to flourish.

Loamy Soil - Also known as agricultural soil

Loamy Soil

Loam is the fourth type of soil. It is a combination of sand, silt and clay such that the beneficial properties from each is included

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