name the main types of soil and explain its 3-3 property
Answers
Answer:
Soil can be classified into three primary types based on its texture – sand, silt and clay.
Explanation:
-properties of sandey soil:weak structure or no structure, poor water retention properties, high permeability, highly sensitivity to compaction with many adverse consequences
-properties of silt:Silty soil is slippery when wet, not grainy or rocky. The soil itself can be called silt if its silt content is greater than 80 percent. When deposits of silt are compressed and the grains are pressed together, rocks such as siltstone form. Silt is created when rock is eroded, or worn away, by water and ice.
-properties of clay:Plasticity - sticky, the ability to form and retain the shape by an outside force, has a unique "crystal" structure of the molecules, plate like, flat, 2 dimensional, water affects it. ...
Particle size - very tiny - less than 2 microns, 1 millionth of a meter.
Answer:
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
There are various types of soil that undergo diverse environmental pressures. Soil is mainly classified by its texture, proportions and different forms of organic and mineral compositions.
Types of Soil
Types of Soil
Soil is classified into four types:
Sandy soil.
Silt Soil.
Clay Soil.
Loamy Soil.
Sandy Soil - It has the largest particle among the three
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 dried. 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. For instance, it has the ability to retain moisture and nutrients; hence, it is more suitable for farming. This soil is also referred to as an agricultural soil as it includes an equilibrium of all three types of soil materials being sandy, clay, and silt and it also happens to have humus. Apart from these, it also has higher calcium and pH levels because of its