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प्रश्न
What are the main components of Soil?
उत्तर
(i) Silica: The main constituent of sand, it is present as small crystalline grains. It is mainly derived from the weathering of rocks.
(ii) Clay: It is a mixture of silicates and contains many minerals like iron, potassium, calcium, sodium and aluminium. Particles of clay absorb water and swell.
(iii) Chalk: It consists of calcium carbonate which provides the important element calcium.
(iv) Humus: It is the organic matter present in the Soil formed by the decomposition of plants and animal remains and animal manure. It is the most important element that determines the fertility of the Soil.
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संबंधित प्रश्न
Define the following :
Pedogenesis.
Define the following :
Humus
Define the following :
Bhangar
Name the soil which is good for the cultivation of cashew nuts.
Name the soil which is a result of leaching.
What all conditions can alter the characteristics of Soil?
Give any two characteristics or features of the Soil found most suitable for growing cotton and sugarcane in Maharashtra.
Mention some of the properties of Red Soil.
Or
Mention two characteristics of Red Soil.
Give a geographical reason for the following:
Khadar soils are preferred over Bhangar soils.
Feel and consistency of soil is called ______ of the soil.
