108 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
Piston flow
Earth science; Soil science
A jump in effluent from background concentration to the input concentration at 1 pore volume of flow.
Concretion
Earth science; Soil science
(i) A cemented concentration of a chemical compound, such as calcium carbonate or iron oxide, that can be removed from the soil intact and that has crude internal symmetry organised around a point, ...
Humus form
Earth science; Soil science
A group of soil horizons located at or near the surface of a pedon, which have formed from organic residues, either separate from or intermixed with, mineral material.
Peatland
Earth science; Soil science
A generic term for any wetland that accumulates partially decayed plant matter. Mire, moor and muskeg are terms for European and Canadian peatlands.
Tuff
Earth science; Soil science
A compacted deposit that is 50 percent or more volcanic ash and dust.
Geographic information system (GIS)
Earth science; Soil science
A method of overlaying large volumes of spatial data of different kinds. The data are referenced to a set of geographical coordinates and encoded in a form suitable for handling by a digital ...
