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

Pedon

Earth science; Soil science

A three-dimensional body of soil with lateral dimensions large enough to permit the study of horizon shapes and relations. Its area ranges from 1 to 10 m2. Where horizons are intermittent or ...

Moder

Earth science; Soil science

A type of forest humus transitional between mull and mor (term used mostly in Europe; also called duff mull in USA and Canada). Sometimes differentiated into the following groups: Mormoder, ...

Faecal pellets

Earth science; Soil science

Rounded and subrounded aggregates of faecal material produced by the soil fauna.

Thermal analysis

Earth science; Soil science

Measurement of changes in physical or chemical properties of materials as a function of temperature, usually heating or cooling at a uniform rate. (i) Differential thermal analysis (DTA), measures ...

Landform

Earth science; Soil science

Any physical, recognisable form or feature on the earth's surface, having a characteristic shape, and produced by natural causes; it includes a wide range in size such as a shrub-coppice dune than ...

Orthents

Earth science; Soil science

Entisols that have either textures of very fine sand or finer in the fine earth fraction, or textures of loamy fine sand or coarser and a coarse fragment content of 35% or more and that have an ...

Eutrophication

Earth science; Soil science

Condition in an aquatic ecosystem where excessive nutrient concentrations result in high biological productivity, typically associated with algae blooms, that cause sufficient oxygen depletion to be ...