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

Humic gley soil

Earth science; Soil science

Soil of the intrazonal order and hydromorphic suborder that includes Wisenboden and related soils, such as Half-Bog soils, which have a thin muck or peat O2 (Oi) horizon and an A1 (A) horizon. ...

Diversion dam

Earth science; Soil science

A structure or barrier built to divert part or all of the water of a stream to a different course.

Proximal

Earth science; Soil science

Said of a sedimentary deposit consisting of coarse clastics and deposited nearest the source area.

Enzyme

Earth science; Soil science

Any of numerous proteins that are produced in the cells of living organisms and function as catalysts in the chemical processes of those organisms.

Differential thermal analysis (DTA)

Earth science; Soil science

Method used to detect energy changes in a substance on heating; useful for identification of clay minerals.

Field water capacity

Earth science; Soil science

The content of water, on a mass or volume basis, remaining in a soil 2 or 3 days after having been wetted with water and after free drainage is negligible.

Udults

Earth science; Soil science

Ultisols that have low or moderate amounts of organic carbon, reddish or yellowish argillic horizons, and a udic soil moisture regime. Udults are not saturated with water for periods long enough to ...