4 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
Add a new termContributors in Soil science
Soil science
varve
Earth science; Soil science
A sedimentary layer, lamina, or sequence of laminae, deposited in a body of still water within 1 year; specifically, a thin pair of graded glaciolacustrine layers seasonally deposited, usually by ...
antibody
Earth science; Soil science
A protein produced by the body in response to the presence of an antigen to which it can specifically combine.
trace elements
Earth science; Soil science
(i) It is no longer used in SSSA publications in reference to plant nutrition. (ii) In environmental applications it is those elements exclusive of the eight abundant rock-forming elements: oxygen, ...
intergrade
Earth science; Soil science
(i) A taxonomic class at the subgroup level of soil taxonomy having properties typical of the great group of which it is a member and that are characteristic of some class in a higher category (any ...
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 ...
petrogypsic horizon
Earth science; Soil science
A continuous, strongly cemented, massive, gypsic horizon that is cemented by calcium sulfate. It can be chipped with a spade when dry. Dry fragments do not slake in water and it is impenetrable to ...
