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

Vughs

Earth science; Soil science

Relatively large voids, usually irregular and not normally interconnected with other voids of comparable size; at the magnifications at which they are recognised they appear as discrete entities.

Playa

Earth science; Soil science

An ephemerally flooded, vegetatively barren area on a basin floor that is veneered with fine-textured sediment and acts as a temporary or as the final sink for drainage water.

Multispectral

Earth science; Soil science

Generally used for remote sensing in two or more spectral bands, such as visible and IR.

Force

Earth science; Soil science

An influence which produces or tends to produce motion or change in motion.

Polymorphism

Earth science; Soil science

Crystallisation into two or more chemically identical but crystallographically distinct forms.

Stream order

Earth science; Soil science

An integer system applied to tributaries (stream segments) that documents their relative position within a drainage basin network as determined by the pattern of its confluences. The order of the ...

Halomorphic soil

Earth science; Soil science

A suborder of the intrazonal soil order, consisting of saline and sodic soils formed under imperfect drainage in arid regions and including the great soil groups Solonchak or Saline soils, Solonetz ...