Soil science

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

organan

Earth science; Soil science

A cutan composed of a concentration of organic matter.

self-mulching soil

Earth science; Soil science

A soil in which the surface layer becomes so well aggregated that it does not crust and seal under the impact of rain but instead serves as a surface mulch upon drying.

Podzol

Earth science; Soil science

A great soil group of the zonal order consisting of soils formed in cool-temperate to temperate, humid climates, under coniferous or mixed coniferous and deciduous forest, and characterized ...

todorokite

Earth science; Soil science

(Na, Ca, K, Ba, Mn2+)2 Mn4O12•3H2) A black manganese oxide that occurs in soils and in the weathered regolith of sediments. It has a tunnel structure.

soil survey

Earth science; Soil science

(i)The systematic examination, description, classification, and mapping of soils in an area. Soil surveys are classified according to the kind and intensity of field examination. (ii) The program ...

biosequence

Earth science; Soil science

A group of related soils that differ, one from the other, primarily because of differences in kinds and numbers of plants and soil organisms as a soil-forming factor.

slump

Earth science; Soil science

(i) A mass movement process characterized by a landslide involving a shearing and rotary movement of a generally independent mass of rock or earth along a curved slip surface (concave upward) and ...