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

Toxicity

Earth science; Soil science

Quality, state, or degree of the harmful effect from alteration of an environmental factor.

Saprists

Earth science; Soil science

Histosols that have a high content of plant materials so decomposed that original plant structures cannot be determined and a bulk density of about 0. 2 Mg m-3 or more. Saprists are saturated with ...

Mollisols

Earth science; Soil science

Mineral soils that have a mollic epipedon overlying mineral material with a base saturation of 50% or more when measured at pH 7. Mollisols may have an argillic, natric, albic, cambic, gypsic, ...

Wetland

Earth science; Soil science

Land that has (i) a predominance of hydric soils; and (ii) is inundated or sturated by surface or ground water at a frequency and duration sufficient to support, and under normal circumstances does ...

Adhesion

Earth science; Soil science

Forces of attraction between unlike molecules, e.g., water and solid.

Scoria land

Earth science; Soil science

In soil survey a map unit that is a miscellaneous area, which consists of clinkers, burned shale or fine-grained sandstone remaining after coal beds burn out.