Question

(i) How is red soil formed?
(i) How is this soil suitable for dry farming?​

Answer 1

Explanation:

(i) It is formed by the weathering of ancient crystalline and metamorphic rocks, particularly acid granites and gneisses, quartzitic rocks, and felspathic rocks. Chemically, red soil is siliceous and aluminous, with free quartz as sand, but is rich in potassium, ranging from sand to clay with the majority being loamy.

(ii) Black soil is suitable for dry farming because it is fine grained, rich in calcium and it can retain moisture to a large level and is sticky in nature.

Answer 2

Answer: (i) It is formed by the weathering of ancient crystalline and metamorphic rocks, particularly acid granites and gneisses, quartzitic rocks, and felspathic rocks. Chemically, red soil is siliceous and aluminous, with free quartz as sand, but is rich in potassium, ranging from sand to clay with the majority being loamy.

Explanation: (ii) The Red soil is formed mainly due to the presence of igneous rocks it from in poor rainfall area and it can be an ideal characteristics for farming as it requires low moisture content in the soil and is less fertile when compared to other soil.

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