ch - 4 Soils in India — Geography STD 10 — Question
ICSE BoardEnglish MediumSTD 10Geographych - 4 Soils in India1 Mark
Question
How is Black Soil formed?
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Answer
Black Soil is formed as a result of denudation of lava-flow rocks. They contain large quantities of lime, potash, aluminium, magnesium. They are deficient in phosphorus, nitrogen and organic matter. Black Soil is highly retentive of moisture, and become sticky when wet.
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