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

Add a new term

Contributors in Soil science

Become a Contributors

Soil science

Aerotolerant anaerobes

Earth science; Soil science

Microorganisms that grow under both aerobic and anaerobic conditions, but do not shift from one mode of metabolism to another as conditions change; energy is obtained exclusively via fermentation.

Sombric horizon

Earth science; Soil science

A subsurface mineral horizon that is darker in colour than the overlying horizon but that lacks the properties of a spodic horizon. Common in cool, moist soils of high altitude in tropical regions.

Flow region

Earth science; Soil science

Conceptualization that a representative elemental volume of soil at any point consists of distinguishable pore classes, each with unique flow and transport properties.

Plant growth-promoting rhizobacteria

Earth science; Soil science

Diverse group of rhizosphere bacteria that impart beneficial effects on plant growth as root colonizers.

Oligotrophic

Earth science; Soil science

Environments in which the concentration of nutrients available for growth is limited. Nutrient poor habitats.

Bog

Earth science; Soil science

An organic-accumulating wetland that has no significant inflows or outflows and supports acidophilic mosses, particularly Sphagnum.

Ustolls

Earth science; Soil science

Mollisols that have an ustic soil moisture regime and mesic or warmer soil temperature regimes. Ustolls may have a calcic, petrocalcic, or gypsic horizon, and are not saturated with water for ...