Question

write the features of Alluvial and black soil​

Answer 1

Features of Alluvial soil

They are immature and have weak profiles due to their recent origin. Most of the soil is Sandy and clayey soils are not uncommon. Pebbly and gravelly soils are rare. The soil is porous because of its loamy (equal proportion of sand and clay) nature.

Features of black soil

The black soil is formed by the weathering of lava (igneous rocks) and cooling of lava after a volcanic eruption. The soil in the Deccan Plateau consist of black basalt soil, which is rich in humus, iron and also contain high quality of magnesia, lime and alumina.

♥ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ʏᴏᴜ.࿐

♥ғᴏʟʟᴏω ᴍᴇ ᴀɴᴅ ᴍᴀʀᴋ ᴀs ʙʀᴀɪɴʟɪᴇsᴛ.࿐

Answer 2

Answer:

Alluvial Soil –

• The Alluvial soil is the most fertile soil.
• It is most widely spread soil in India.
• It has been deposited by The River systems - Indus, Ganga and Brahmaputra.
• The Northern plains are made up of this soil.
• They are also extended in Rajasthan and Gujarat through a narrow corridor.
• They are also found in the eastern coastal plains.
• They are formed by the deposit of sand and silt.
• They consists proportions of sand, silt and clay.
• It contains potash, phosphoric acid and lime.
• It is deficient in nitrogen.

Black Soil –

• The soil is known to be black because of the presence of titeniferrous magnetite.
• They can also be called regur soil, cotton soil and lava soil.
• They are made by breaking down of igneous rocks.
• They are found in the Deccan trap and in Northwest region.
• They are also found in the plateaus of Maharashtra, Saurashtra, Malwa, Madhya Pradesh and Chattisgarh.
• They are made up of clayey material and have the capability of holding moisture.
• They are rich in calcium carbonate, magnesium, potash and lime.
• They a deficient in Phosphoric contents.