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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
Paleosol
Earth science; Soil science
A soil that formed on a landscape in the past with distinctive morphological features resulting from a soil-forming environment that no longer exists at the site. The former pedogenic process was ...
Hygroscopic coefficient
Earth science; Soil science
The weight percentage of water held by, or remaining in, the soil (i) after the soil has been air-dried, or (ii) after the soil has reached equilibrium with an unspecified environment of high ...
Gleyed
Earth science; Soil science
A soil condition resulting from prolonged soil saturation, which is manifested by the presence of bluish or greenish colours through the soil mass or in mottles (spots or streaks) among the colors. ...
Ectomycorrhiza
Earth science; Soil science
A mycorrhizal association in which the fungal mycelia extend inward, between root cortical cells, to form a network ("Hartig net") and outward into the surrounding soil. Usually the fungal hyphae ...
Aquic
Earth science; Soil science
A mostly reducing soil moisture regime nearly free of dissolved oxygen due to saturation by groundwater or its capillary fringe and occurring at periods when the soil temperature at 50 cm below the ...
Soil retentivity profile
Earth science; Soil science
A graph showing the retaining capacity of a soil as a function of depth. The retaining capacity may be for water, for water at any given tension, for cations, or for any other substances held by ...
Selective cutting
Earth science; Soil science
A system of cutting in which trees, usually the largest, or small groups of such trees are removed for commercial production or to encourage reproduction under the remaining stand in the openings.
