Distinguish between Alluvial soil and Black soil

Alluvial Soil

Black Soil

1. It is a transported soil.

2. It is formed when the river deposits its load as it flows from the upper to the lower course.

3. It is the most important soil for agriculture.

4. It is rich in mineral, especially in potash.

1. Black soil is clayey in nature.

2. It has a great capacity to retain moisture.

3. It develops deep cracks due to dry condition which help in aeration (air circulation).

4. When wet, the soil becomes sticky and is difficult to work with.