Question

Distinguish between subsoil and substratum.

Answer 1

Answer:

The subsoil commonly has blocky or prismatic structure and generally is firmer and lighter in color than the surface layer. The substratum is below the surface layer and subsoil. It consists of material that has been somewhat modified by weathering but is relatively unchanged by soil-forming processes.

Answer 2

Subsoil is the layer of soil under the topsoil on the surface of the ground whereas the substratum is below the surface layer and subsoil which consists of material that has been somewhat modified by weathering but is relatively unchanged by soil-forming processes.