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

Thermocouple

Earth science; Soil science

A device consisting of two junctions of dissimilar metals which response to temperature differences between the two junctions.

Conservation of mass

Earth science; Soil science

A law which states that mass is neither created nor destroyed in a defined system.

Symmetry value

Earth science; Soil science

The quantity of adsorbed ion released when one symmetry concentration of another ion is added.

Richards Law

Earth science; Soil science

A positive water pressure is required for water to freely move out of soil and into an open channel.

Illite

Earth science; Soil science

(i) As a general term, refers to either a discrete non-expansible mica of detrital or authigenic origin or to the micaceous component of interstratified systems, as in illite-smectite. If used to ...

Spodic horizon

Earth science; Soil science

A mineral soil horizon that is characterised by the illuvial accumulation of amorphous materials composed of aluminium and organic carbon with or without iron. The spodic horizon has a certain ...

Kame

Earth science; Soil science

A low mound, knob, hummock, or short irregular ridge, composed of stratified sand and gravel deposited by a subglacial stream as a fan or delta at the margin of a melting glacier; by a supraglacial ...