Answer the following questions in brief:
(a) Name some of the constituents of soil.
Which layer of soil contains humus?
(c) Which layer of soil is represented by the B-horizon?
Into how many types is soil classified on the basis of origin? Name them.
fe) Name any four soils which are found in India.
Answer the following questions in detail:
Explain the structure of soil in your own words.
What are the types of soil on the basis of size of particles? Explain them.
(0) Give a brief account of the factors that cause difference in soils. What is the effed
difference in soils on plants?
How is soila habitat for various organisms? What is the importance of soil organism
Write about the main soils of India describing their properties, locations, etc.
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Answer : a)topsoil breaking of rocks ,mineral particles,decayed organic particles.
c)subsoil
d)Soil can be classified into three primary types based on its texture – sand, silt, and clay.
fe) Alluvial soil (a) Deccan Trap
(2) Black soil (b) Peninsular Plateau
(3) Red soil (c) Western Ghats
(4) Laterite soil (d) Brahmaputra Valley
Soil structure is defined by the way individual particles of sand, silt, and clay are assembled. Single particles when assembled appear as larger particles. These are called aggregates . Aggregation of soil particles can occur in different patterns, resulting in different soil structures.
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