Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Soil science

cryic

Earth science; Soil science

A soil temperature regime that has mean annual soil temperatures of >0°C but 5°C difference between mean summer and mean winter soil temperatures at 50 cm, and cold summer ...

cambic horizon

Earth science; Soil science

A mineral soil horizon that has a texture of loamy very fine sand or finer, has soil structure rather than rock structure, contains some weatherable minerals, and is characterized ...

taxadjunct

Earth science; Soil science

A soil that is correlated as a recognized, existing soil series for the purpose of expediency. They are so like the soils of the defined series in morphology, composition, and ...

xeric

Earth science; Soil science

A soil moisture regime common to Mediterranean climates that have moist cool winters and warm dry summers. A limited amount of water is present but does not occur at optimum ...

ion selectivity

Earth science; Soil science

(i) The relative adsorption of an ion by the solid phase in relation to the adsorption of other ions. (ii) The relative absorption of an ion by a root in relation to absorption ...