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

Piston flow

Earth science; Soil science

A jump in effluent from background concentration to the input concentration at 1 pore volume of flow.

Hydrophyte

Earth science; Soil science

A plant that grows with the root system suspended in water.

Concretion

Earth science; Soil science

(i) A cemented concentration of a chemical compound, such as calcium carbonate or iron oxide, that can be removed from the soil intact and that has crude internal symmetry organised around a point, ...

Humus form

Earth science; Soil science

A group of soil horizons located at or near the surface of a pedon, which have formed from organic residues, either separate from or intermixed with, mineral material.

Peatland

Earth science; Soil science

A generic term for any wetland that accumulates partially decayed plant matter. Mire, moor and muskeg are terms for European and Canadian peatlands.

Tuff

Earth science; Soil science

A compacted deposit that is 50 percent or more volcanic ash and dust.

Geographic information system (GIS)

Earth science; Soil science

A method of overlaying large volumes of spatial data of different kinds. The data are referenced to a set of geographical coordinates and encoded in a form suitable for handling by a digital ...