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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
Gleyzation
Earth science; Soil science
A soil-forming process resulting in the development of gley soils.
Dinitrogen fixation
Earth science; Soil science
Conversion of molecular nitrogen (N2) to ammonia and subsequently to organic nitrogen utilisable in biological processes.
Pressure potential
Earth science; Soil science
Potential energy of soil water due to the weight of water (hydrostatic pressure) on the point of interest. Pressure head is expressed as energy per weight and is equal to the height of water between ...
Stochastic model
Earth science; Soil science
Models based upon the consept that the variable of interst is represented by variablility or uncertainty in the input values and the output represents probability distributions functions.
Independent tetrahedra
Earth science; Soil science
Silicate type minerals in which no oxygens are shared between silica tetrahedra; silicon-oxygen ration is SiO44-; example mineral: olivine, (Mg, Fe)2SiO4.
Gley soil
Earth science; Soil science
Soil developed under conditions of poor drainage resulting in reduction of iron and other elements and in grey colours and mottles.
Black earth
Earth science; Soil science
A term used by some as synonymous with "Chernozem;" by others (in Australia) to describe self-mulching black clays.
