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

Pore space

Earth science; Soil science

The portion of soil bulk volume occupied by soil pores.

Structural charge

Earth science; Soil science

The charge (usually negative) on a mineral resulting from isomorphous substitution within the mineral layer. (Expressed as moles (mol) or centimoles (cmol) of charge per kilogramme of clay. )

Soil hydrology

Earth science; Soil science

The science dealing with the fundamental properties and processes of water in the vadose zone.

Tree-tip pit

Earth science; Soil science

The small pit or depression resulting from the area vacated by the root plate(ball) from tree-tip. Such pits are commonly adjacent to small mounds composed of the displaced material. Subsequent ...

Spores

Earth science; Soil science

Specialised reproductive cell. Asexual spores germinate without uniting with other cells, whereas sexual spores of opposite mating types unite to form a zygote before germination occurs.