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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.

Contributors in Soil science

Soil science


Earth science; Soil science

Any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a soil to supply one or more plant nutrients essential to the growth of plants. These ...

exchangeable sodium ratio (ESR)

Earth science; Soil science

The ratio of exchangeable sodium to all other exchangeable cations.


Earth science; Soil science

A B horizon together with any overlying eluvial horizons.


Earth science; Soil science

The development of horizons in soil as a result of a soil forming process or a combination of soil forming processes.

soil column

Earth science; Soil science

An isolation volume of soil used to conduct one-dimentional flow and transport studies.


Earth science; Soil science

A method of preparing forest soils for planting or seeding that consists of mechanically pushing aside the humus layer to expose mineral soil.

coefficient of curvature

Earth science; Soil science

The ratio (D302/ (D10 × D 60 which quantifies the shape of the particle size distribution curve.

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