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

pyroxene

Earth science; Soil science

A single chain ferromagnesian silicate.

plaggen epipedon

Earth science; Soil science

A man-made surface horizon more than 50 cm thick that is formed by long-continued manuring and mixing.

ground-water podzol soil

Earth science; Soil science

A great soil group of the intrazonal order and hydromorphic suborder, consisting of soils with an organic mat on the surface over a very thin layer of acid humus material ...

ionic strength

Earth science; Soil science

A parameter that estimates the interaction between ions in solution. It is calculated as one-half the sum of the products of ionic concentration and the square of ionic charge ...

yield curve

Earth science; Soil science

A graphical representation of nutrient application rate or availability versus crop yield or nutrient uptake.

coating

Earth science; Soil science

A layer of a substance completely or partly covering a surface of soil material. Coatings include clay coatings, calcite coatings, gypsum coatings, organic coatings, salt ...