Question

How soils are classified?

Answer 1

Soil is classified on two different bases:

Based on the composition and nature of the soil
On this basis, the soil is classified into six types:

1. Alluvial soil – It formed by deposits of rivers
2. Black soil – It contains humus
3. Red soil – It contains Iron oxides
4. Mountain soil – It contains sand, shales, clay, stones, and limestone.
5. Desert soil – It is rich in minerals.
6. Laterite soil – It contains a hydrated oxide of aluminum and iron.

Based on the amount and type of particles in the soil

1. Sandy soil – It majorly consists of sand and some amount of silt and clay.
2. Clayey soil – It contains a large amount of clay and a little humus and slit.
3. Loamy soil – It consists of clay, sand, and humus.