33 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
Time-domain reflectometry
Earth science; Soil science
A method that uses the timing of wave reflections to determine the properties of various materials, such as the dielectric constant of soil as an indication of water content.
Stern layer
Earth science; Soil science
A layer of positive ions held so tightly to the clay surface that they migrate with the clay in an electrical field.
Soil
Earth science; Soil science
(i) The unconsolidated mineral or organic material on the immediate surface of the earth that serves as a natural medium for the growth of land plants. (ii) The unconsolidated mineral or organic ...
Mudflow
Earth science; Soil science
A general term for a mass movement landform and a process characterised by a flowing mass of predominantly fine-grained earth material (particles less than 2 mm comprising more than 50 percent of the ...
Drumlin
Earth science; Soil science
A low, smooth, elongated oval hill, mound, or ridge of compact till that may or may not have a core of bedrock or stratified drift. The longer axis is parallel to the general direction of glacier ...
One-third-bar percentage
Earth science; Soil science
The percentage of water contained in a soil that has been saturated, subjected to, and is in equilibrium with, an applied pressure of one-third bar. Approximately the same as one-third-atmosphere ...
