Soil science

Soil science

That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.

Industry: Earth science

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Soil science

Retardation factor

Earth science; Soil science

The capability of a soil for slowing or retarding the movement of a solute, and is defined for solutes subject to equilibrium reactions with the soil matrix.

Weathering

Earth science; Soil science

The breakdown and changes in rocks and sediments at or near the Earth's surface produced by biological, chemical, and physical agents or combinations of them.

Sate

Earth science; Soil science

To fill most of the pores between soil particles with liquid, the lack of complete filling being caused by the entrapment of air as water enters the soil.

Surface drainage

Earth science; Soil science

Used to refer to surface movement of excess water - includes such terms as ponded, flooded, slow, and rapid.

Moderately-coarse textured

Earth science; Soil science

Texture group consisting of coarse sandy loam, sandy loam, and fine sandy loam textures.

Lime requirement

Earth science; Soil science

The amount of liming material as calcium carbonate equivalent required to change a volume of soil to a specified state with respect to pH or soluble Al content.