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

Add a new term

Contributors in Soil science

Become a Contributors

Soil science

Triaxial shear test

Earth science; Soil science

A test in which a cylindrical specimen of soil umbric epipedon encased in an impervious membrane is subjected to a confining pressure and then loaded.

Foliar diagnosis

Earth science; Soil science

An estimation of plant mineral nutrient status from the chemical composition of selected plant parts, and the colour and growth characteristics of the plant foliage.

Ustox

Earth science; Soil science

Oxisols that have an ustic moisture regime and either hyperthermic or isohyperthermic soil temperature regimes or have <20 kg organic carbon in the surface cubic meter.

Metallic bond

Earth science; Soil science

Bond resulting from the attraction of positively charge nuclei and valence electrons that can freely migrate amongst all the nuclei in a substance.

Soil qualities

Earth science; Soil science

Inherent attributes of soils which are inferred from soil characteristics or indirect observations (e.g., compactibility, erodibility, and fertility).