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

Slate

Earth science; Soil science

A metamorphic rock made from shale that is put under great pressure under ground is called slate.

Petrified

Earth science; Soil science

Changed into minerals and hardened into rock. Plant and animal parts, such as wood and bone, become petrified when water gets into them.

Soil

Earth science; Soil science

The loose top layer of the Earth's surface. Soil is made of broken down pieces of rocks.

Wetland

Earth science; Soil science

A low lying area of land that is either soaked or covered with water. Marshes, swamps, and bogs are wetlands.

Well

Earth science; Soil science

A hole dug into the Earth to collect water, oil or natural gas. The wells collect drinking water.

Soil hydrophobicity

Earth science; Soil science

The tendency for a soil particle or soil mass to resist hydration, usually quantified using the water drop penetration time test. See also soil wettability, water drop penetration time.

Soil oxygen diffusion rate

Earth science; Soil science

(i) The rate of diffusion of oxygen through soil as defined by Fick's law. (ii) A measurement of diffusion governed oxygen reduction rate at the surface of platinum microelectrodes used to assess the ...