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

Adsorption isotherm

Earth science; Soil science

A graph of the quantity of a given chemical species bound to an adsorption complex, at fixed temperature, as a function of the concentration of the species in a solution that is in equilibrium with ...

Soil map unit

Earth science; Soil science

(i) A conceptual group of one to many delineations identified by the same name in a soil survey that represent similar landscape areas comprised of either: (1) the same kind of component soil, plus ...

Sodic soil

Earth science; Soil science

A nonsaline soil containing sufficient exchangeable sodium to adversely affect crop production and soil structure under most conditions of soil and plant type. The sodium adsorption ratio of the ...

Mohr circle of stress

Earth science; Soil science

A graphical representation of the components of stress acting across the various planes at a given point, drawn with reference to axes of normal stress and shear stress.