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

bed

Earth science; Soil science

(i) Geologic - The smallest, formal lithostratigraphic unit of sedimentary rocks. The designation of a bed or a unit of beds as a formally named lithostratigraphic unit generally should be limited ...

sustained yield

Earth science; Soil science

A continual, annual, or periodic yield of plants or plant material from an area; implies management practices which will maintain the productive capacity of the land, be economically feasible, and ...

albic horizon

Earth science; Soil science

A mineral soil horizon from which clay and free iron oxides have been removed or in which the oxides have been segregated to the extent that the color of the horizon is determined primarily by the ...

archaebacteria

Earth science; Soil science

(i)Prokaryotes with cell walls that lack murein, having ether bonds in their membrane phospholipids, that are characterized by growth in extreme environments. (ii) A primary biological kingdom ...

ground fire

Earth science; Soil science

A fire that consumes all organic material of the forest floor and also burns into the underlying soil itself, as, for example, a peat fire. Differentiated from a surface fire on the basis of ...