Dirt bed


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(Geom.) a layer of clayey earth forming a stratum in a geological formation. Dirt beds are common among the coal measures.

See also: Dirt

References in periodicals archive ?
In the off-season of summer when the greenhouse is cleared of plants (happily growing outside) the front slatted bench top is moved to the dirt bed along with some pieces of hardware cloth to cover up all that tempting dirt.
Use of an effective detergent will not only provide additional control but will also reduce the dirt bed bugs can feed on.