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

Plain

Earth science; Soil science

A flat, undulating, or even rolling area, larger or smaller, that includes few prominent hills or valleys, that usually is at low elevation in reference to surrounding areas, and that may have ...

Mica

Earth science; Soil science

A layer-structured aluminosilicate mineral group of the 2:1 type that is characterised by its non expandability and high layer charge, which is usually satisfied by potassium. The major types are ...

Conservative tracer

Earth science; Soil science

A solute that is chemically and biologically inert (no transformation losses with time) but could exhibit an adsorption capacity that results in loss from solution.

Crumb structure

Earth science; Soil science

A structural condition in which most of the peds are crumbs.

Fen

Earth science; Soil science

A peat accumulating wetland that receives some drainage from surrounding mineral soils and usually supports marsh-like vegetation. These areas are richer in nutrients and less acidic than bogs. The ...

Soil association

Earth science; Soil science

A kind of map unit used in soil surveys comprised of delineations, each of which shows the size, shape, and location of a landscape unit composed of two or more kinds of component soils or component ...