the layer of unconsolidated rocky material covering bedrock
soil
the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles
soil horizon
A soil horizon is a layer parallel to the soil surface, whose physical characteristics differ from the layers above and beneath
pedalfer
Soil that is characterized by an abundance of aluminum and iron oxides
pedoral
This combination medication is used to relieve symptoms caused by the common cold, flu, allergies
laterite
a reddish clayey material, hard when dry, forming a topsoil in some tropical or subtropical regions and sometimes used for building.