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

Isotropic

Earth science; Soil science

Having one or more properties which are the same in all directions in a crystal or in a bulk soil.

Capacitance

Earth science; Soil science

An elecromagnetic method for measuring the soil water content.

Sterilisation

Earth science; Soil science

Rendering an object or substance free of viable microbes.

Rhizobia populated

Earth science; Soil science

Any material that contains rhizobia able to nodulate leguminous plants of interest. Contrast with rhizobia free.

Consolidation test

Earth science; Soil science

A test in which the soil specimen is laterally confined in a ring and is compressed between porous plates.

Non-expanding

Earth science; Soil science

Layer silicate type which has no intracrystalline swelling capacity in the presence of water.

Autotrophic nitrification

Earth science; Soil science

Oxidation of ammonium to nitrate through the combined action of two chemoautotrophic bacteria, one forming nitrite from ammonium and the other oxidising nitrite to nitrate.