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

Broadcast application

Earth science; Soil science

The application of material scattered or sprayed on surface of the soil.

Double layer

Earth science; Soil science

The name given to the system involving negative charges associate.

Geomorphology

Earth science; Soil science

The science that studies the evolution of the earth's surface. The science of landforms. The systematic examination of landforms and their interpretation as records of geologic history.

Active acidity

Earth science; Soil science

The activity of hydrogen ion in the aqueous phase of a soil expressed as a pH value.

Lithologic discontinuity

Earth science; Soil science

Zone within the pedo-stratigraphic column that represents a change in lithology or sediment type. It may also mark a zone of nondeposition or erosion. Soil horizons below a lithologic discontinuity ...

Runoff

Earth science; Soil science

That portion of precipitation or irrigation on an area which does not infiltrate, but instead is discharged from the area. That which is lost without entering the soil is called surface runoff. ...

Soil formation factors

Earth science; Soil science

The variables, usually interrelated natural agencies, that are active in and responsible for the formation of soil. The factors are usually grouped into five major categories as follows: parent ...