5 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
Mineral soil
Earth science; Soil science
A soil consisting predominantly of, and having its properties determined predominantly by, mineral matter. Usually contains <200 g kg-1organic carbon (< 120-180 g kg-1 if saturated with water), but ...
Loamy
Earth science; Soil science
(i) Texture group consisting of coarse sandy loam, sandy loam, fine sandy loam, very fine sandy loam, loam, silt loam, silt, clay loam, sandy clay loam, and silty clay loam soil textures. (ii) ...
Substrate
Earth science; Soil science
(i) That which is laid or spread under an underlying layer, such as the subsoil. (ii) The substance, base, or nutrient on which an organism grows. (iii) Compounds or substances that are acted upon ...
Petrocalcic horizon
Earth science; Soil science
A continuous, indurated calcic horizon that is cemented by calcium carbonate and, in some places, with magnesium carbonate. It cannot be penetrated with a spade or auger when dry, dry fragments do ...
Crop rotation
Earth science; Soil science
A planned sequence of crops growing in a regularly recurring succession on the same area of land, as contrasted to continuous culture of one crop or growing a variable sequence of crops.
Erosion surface
Earth science; Soil science
A land surface shaped by the action of erosion, especially by running water.
Saline-sodic soil
Earth science; Soil science
A soil containing sufficient exchangeable sodium to interfere with the growth of most crop plants and containing appreciable quantities of soluble salts. The exchangeable sodium ratio is greater ...
