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

duff mull

Earth science; Soil science

A forest humus type, transitional between mull and mor, characterized by an accumulation or organic matter on the soil surface in friable Oe horizons, reflecting the dominant zoogenous decomposers. ...

bay

Earth science; Soil science

(i) Any terrestrial formation resembling a bay of the sea, as a recess or extension of lowland along a river valley or within a curve in a range of hills, or an arm of a prairie extending into, or ...

coefficient of linear extensibility (COLE)

Earth science; Soil science

1. The percent shrinkage in one dimension of a molded soil between two water contents, e.g. between its plastic limit to air dry. 2. Meaure of shrink-swell potential of soil.

esker

Earth science; Soil science

A long, narrow, sinuous, steep-sided ridge composed of irregularly stratified sand and gravel that was deposited by a subglacial or supraglacial stream flowing between ice walls, or in an ice tunnel ...

hygroscopic water

Earth science; Soil science

Water adsorbed by a dry soil from an atmosphere of high relative humidity, water remaining in the soil after "air-drying," or water held by the soil when it is in equilibrium with an atmosphere of a ...