GK
INDIAN GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one among the following is NOT correct regarding the black soils of Peninsular India?
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Rich in iron, lime and potash
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Retentive in moisture
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Fertile and well-suited for growing sugarcane
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Rich in phosphorus and organic matter
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Explanation:
Detailed explanation-1: -Chemically, black soils are rich in lime, iron, magnesia and alumina . They also contain potash . But they lack phosphorus, nitrogen and organic matter . Therefore, statement 4 is not correct.
Detailed explanation-2: -The alluvial soils vary in nature from sandy loam to clay. They are generally rich in potash but poor in phosphorous.
Detailed explanation-3: -Soils with higher clay content have high phosphorus retention capacity because clay particles have very large surface area per unit volume, which can adsorb phosphorus easily.
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