| Heavy clay subsoil or sandy soil with low fertility must be improved if roses are to be grown successfully in them. |
| For corn, select only those sites where the mixed topsoil-upper subsoil placed over the spoil is of silt-loam or silty-clay loam texture. |
| Wetland creation attempts are often initiated by the removal of upland surface soil materials exposing mineral subsoil strata. |
| When digging out the bed, discard any heavy, tight subsoil and save the topsoil. |
| The use of flagstones is made simple by applying a load of sand or gravel to the subsoil and digging the flagstones into the sand or gravel. |
| It owns recycling plants in Ayrshire, Paisley and Glasgow and supplies recycled aggregates, topsoil and subsoil. |
