21 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
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Soil science
Electronegativity
Earth science; Soil science
A measure of the ability of an atom to attract an electron in competition with other atoms.
Radius ratio
Earth science; Soil science
A ratio between the radii of a cation and a coordinating anion.
Sample
Earth science; Soil science
A part of a population taken to estimate a parameter of the whole population.
Sodium adsorption ratio (SAR)
Earth science; Soil science
A relation between soluble sodium and soluble divalent cations which can be used to predict the exchangeable sodium fraction of soil equilibrated with a given solution. It is defined as follows, ...
Fine texture
Earth science; Soil science
(i) A broad group of textures consisting of or containing large quantities of the fine fractions, particularly of silt and clay. (Includes all sandy clay, silty clay, and clay textural classes). ...
Constant-charge surface
Earth science; Soil science
A mineral surface carrying a net electrical charge whose magnitude depends only on the structure and chemical composition of the mineral itself. Constant charge surfaces in soils usually arise from ...
Crystalline rock
Earth science; Soil science
A rock consisting of various minerals that have crystallised in place from magma. Crystalline rock have a well-ordered arrangement of ions, a definite chemical composition, and a regular geometrical ...
