compare and contrast alluvial soil and black soil in teerms of soil components, places of availibility and crops grown.
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Alluvial soil:
Components of soil:
The proportion of nitrogen is generally low. while Potash, phosphoric acid and alkalies are in adequate amount. and Iron oxide and lime vary within a wide range.
Places of availability:
They occur all along the Indo-Gangetic-Brahmaputra plains, deltas of the Mahanadi, the Godavari, the Krishna and the Cauvery.
Crops grown:
rice, wheat, sugarcane, tobacco, cotton, jute, maize, oil seeds, vegetables and fruits.
Black soil:
Components of soil:
10 percent of alumina, 9-10 percent of iron oxide, 6-8 percent of lime and magnesium carbonates, Potash is variable and phosphates, nitrogen and humus are low.
Places of availability:
They are found across Maharashtra, Madhya Pradesh, parts of Karnataka, Telangana, Andhra Pradesh, Gujarat and Tamil Nadu.
Crops grown:
wheat, jowar, linseed, virginia tobacco, castor, sunflower and millets.
Components of soil:
The proportion of nitrogen is generally low. while Potash, phosphoric acid and alkalies are in adequate amount. and Iron oxide and lime vary within a wide range.
Places of availability:
They occur all along the Indo-Gangetic-Brahmaputra plains, deltas of the Mahanadi, the Godavari, the Krishna and the Cauvery.
Crops grown:
rice, wheat, sugarcane, tobacco, cotton, jute, maize, oil seeds, vegetables and fruits.
Black soil:
Components of soil:
10 percent of alumina, 9-10 percent of iron oxide, 6-8 percent of lime and magnesium carbonates, Potash is variable and phosphates, nitrogen and humus are low.
Places of availability:
They are found across Maharashtra, Madhya Pradesh, parts of Karnataka, Telangana, Andhra Pradesh, Gujarat and Tamil Nadu.
Crops grown:
wheat, jowar, linseed, virginia tobacco, castor, sunflower and millets.
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