10 Terms
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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 termContributors in Soil science
Soil science
soil conservation
Earth science; Soil science
(i) Protection of the soil against physical loss by erosion or against chemical deterioration; that is, excessive loss of fertility by either natural or artificial means. (ii) A combination of all ...
discharge curve
Earth science; Soil science
(i) Rating curve showing the relation between stage and rate of flow of a stream. (ii) Curve showing the relation of discharge of a pump and the speed, power, and head.
clayey
Earth science; Soil science
(i) Texture group consisting of sandy clay, silty clay, and clay soil textures. (ii) Family particle-size class for soils with 35% or more clay and <35% rock fragments in upper subsoil horizons.
pergelic
Earth science; Soil science
A soil temperature regime that has mean annual soil temperatures of <0°C. Permafrost is present.
radius ratio
Earth science; Soil science
A ratio between the radii of a cation and a coordinating anion.
electronegativity
Earth science; Soil science
A measure of the ability of an atom to attract an electron in competition with other atoms.
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 ...
