Question

Write the characteristics of late – rite soil.

Answer 1

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Laterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas.Nearly all laterites are rusty-red because of iron oxides.They develop by intensive and long-lasting weathering of the underlying parent rock.

Tropical weathering (laterization) is a prolonged process of chemical weathering which produces a wide variety in the thickness, grade, chemistry and ore mineralogy of the resulting soils.

Thick laterite layers are porous and slightly permeable, so the layers can function as aquifers in rural areas.

Laterites are a source of aluminium ore; the ore exists largely in clay minerals and the hydroxides, gibbsite, boehmite, and diaspore, which resembles the composition of bauxite. In Northern Ireland they once provided a major source of iron and aluminium ores. Laterite ores also were the early major source of nickel.

Answer 2

Explanation:

Characteristics :

• Laterite soil develops in areas with high temperature and heavy rainfall.
• Humus content of the soil is low because most of the micro organisms, particularly the decomposer like bacteria, get destroyed due to high temperature.
• Laterite soils are suitable for cultivation with adequate doses of manures and fertilizers.