how is soil formed?describe the distribution of alluvial and black soil in india
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Soil is the thin layer of material covering the earth's surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms—all of which interact slowly yet constantly.
Alluvial Soil
Black Soil
(i) These are formed by the deposition of rivers.
(i) These have been formed from the weathered lava.
(ii) These are mainly found in the Northern Plains and Coastal strips.
(ii) These are mainly found in the North-western parts of the Deccan plateau.
(iii) These soils are loamy and permeable.
(iii) These soils are clayey and impermeable.
(iv) They do not develop cracks in the dry hot season.
(iv) They develop cracks in the dry hot season.
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