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

Natric horizon

Earth science; Soil science

A mineral soil horizon that satisfied the requirements of an argillic horizon, but that also has prismatic, columnar, or blocky structure and a subhorizon having >15% saturation with exchangeable ...

Air dry

Earth science; Soil science

(i) The state of dryness at equilibrium with the water content in the surrounding atmosphere. The actual water content will depend upon the relative humidity and temperature of the surrounding ...

Leachate collection system

Earth science; Soil science

A drainage collection system to capture leachate generated from an area for monitoring or treatment purposes, commonly used with landfills.

Mature soil

Earth science; Soil science

A soil with well-developed soil horizons produced by the natural processes of soil formation and essentially in equilibrium with its present environment.