5
Question Question 5
Why are alluvial soils very fertile?
Alluvial soils are very fertile because of following reasons:
- It is rich in minerals like iron, magnesia, alumina, potash and lime. It is also rich in organic matter and humus.
- It is loamy.
- It has sufficient depth.
- It is renewed annually / replenished by floods.
- It is transported soil which brings along lots of minerals, alluvium and silt.
- It is non-porous and water retentive if all the minerals are present.