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

Abiotic factor

Earth science; Soil science

A physical, meteorological, geological, or chemical aspect of the environment.

Braided stream

Earth science; Soil science

A channel or stream with multiple channels that interweave as a result of repeated bifurcation and convergence of flow around interchannel bars, resembling (in plan view) the strands of a complex ...

Slow release

Earth science; Soil science

A fertiliser term used interchangeably with delayed release, controlled release, controlled availability, slow acting, and metered release to designate a rate of dissolution (usually in water) much ...

Soil morphology

Earth science; Soil science

(i) The physical constitution of a soil profile as exhibited by the kinds, thickness, and arrangement of the horizons in the profile, and by the texture, structure, consistence, and porosity of each ...

Colloid

Earth science; Soil science

A particle, which may be a molecular aggregate, with a diameter of 0. 1 to 0. 001 μm. Soil clays and soil organic matter are often called soil colloids because they have particle sizes that are ...

Exchangeable anion

Earth science; Soil science

A negatively charged ion held on or near the surface of a solid particle by a positive surface charge and which may be easily replaced by other negatively charged ions ( e.g. with a Cl- salt).