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

microaerophile

Earth science; Soil science

An organism that requires a low concentration of oxygen for growth. Sometimes used to indicate an organism that will carry out its metabolic activities under aerobic conditions ...

layer charge

Earth science; Soil science

Magnitude of charge per formula unit of a clay which is balanced by ions of opposite charge external to the unit layer.

regur

Earth science; Soil science

An intrazonal group of dark calcareous soils high in clay, which is mainly montmorillonitic, and formed mainly from rocks low in quartz; occurring extensively on the Deccan ...

soil monolith

Earth science; Soil science

A vertical section of a soil profile removed from the soil and mounted for display or study.

indigenous

Earth science; Soil science

Native to an area.

organic farming

Earth science; Soil science

Crop production system that reduces, avoids or largely excludes the use of synthetically compound fertilizers, pesticides, growth regulators, and livestock feed additives.