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

Goethite

Earth science; Soil science

FeOOH. A yellow-brown iron oxide mineral. Goethite occurs in almost every soil type and climatic region, and is responsible for the yellowish-brown colour in many soils and weathered materials.

Red earth

Earth science; Soil science

Highly leached, red clayey soils of the humid tropics, usually with very deep profiles that are low in silica and high in sesquioxides.

Pocosin

Earth science; Soil science

A swamp, usually containing organic soil, and partly or completely enclosed by a sandy rim. The Carolina Bays of the Southeastern USA.

Peneplain

Earth science; Soil science

An area which has been reduced by erosion to a low, gently rolling surface resembling a plain. (updated 6/1/2000)

Endophyte

Earth science; Soil science

An organism (e.g., fungus, bacteria) growing within a plant. The association may be symbiotic or parasitic.

Liquifaction

Earth science; Soil science

Process involved in slope failures when saturated soil is shaken by earhquakes.

Net primary productivity (NPP)

Earth science; Soil science

Net carbon assimilation by plants. NPP = GPP - respiration losses. NPP can be estimated for a given time period as ΔB + L + H, where ΔB = biomass accumulation for the period, L = ...