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

Glaciofluvial deposits

Earth science; Soil science

Material moved by glaciers and subsequently sorted and deposited by streams flowing from the melting ice. The deposits are stratified and may occur in the form of outwash plains, deltas, kames, ...

Krotovina

Earth science; Soil science

Irregular tubular streaks within one layer of material transported from another layer by filling of tunnels made by burrowing animals with material from outside the layer in which they are found.

Puddling

Earth science; Soil science

Any process involving both shearing and compactive forces which destroys natural structure and results in a condition of greatly reduced pore space.

Aquic conditions

Earth science; Soil science

Continuous or periodic saturation and reduction. The presence of aquic conditions is indicated by redoximorphic features and can be verified by measurement of saturation and reduction.

Organic fertiliser

Earth science; Soil science

By product from the processing of animals or vegetable substances that contain sufficient plant nutrients to be of value as fertilizers.

Dust mulch

Earth science; Soil science

A very loose, finely granular, or powdery condition on the soil surface.

Acidic cations

Earth science; Soil science

Cations that, on being added to water, undergo hydrolysis resulting in an acidic solution. Hydrated acidic cations donate protons to water to form hydronium ions (H3O+) and thus in aqueous solutions ...