The soil lying immediately under the surface soil.
More example sentences
- Wetland creation attempts are often initiated by the removal of upland surface soil materials exposing mineral subsoil strata.
- Heavy clay subsoil or sandy soil with low fertility must be improved if roses are to be grown successfully in them.
- When digging out the bed, discard any heavy, tight subsoil and save the topsoil.
verb[with object] (usually as noun subsoiling) Back to top
Definition of subsoil in:
- The US English dictionary