Question

name the nutrients in which black soils are weak

Answer 1

Hay mate here is your answer...

Black soils of smectite nature are considered more fertile than any other soils , simply because of the finer texture.

Answer 2

Black soil in India is rich in metals or nutrients such as Iron, Magnesium and Aluminum. However it is deficient in Nitrogen, Potassium, Phosphorous and Humus.
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