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

Add a new term

Contributors in Soil science

Become a Contributors

Soil science

Aquolls

Earth science; Soil science

Mollisols that are saturated with water for periods long enough to limit their use for most crops other than pasture unless they are artificially drained. Aquolls may have a histic epipedon, a ...

Muck

Earth science; Soil science

Organic soil material in which the original plant parts are not recognizable. Contains more mineral matter and is usually darker in colour than peat.

Urban land

Earth science; Soil science

Areas so altered or obstructed by urban works or structures that identification of soils is not feasible.

Hydroxy-aluminum interlayers

Earth science; Soil science

Polymers of general composition (Al(OH)3-x)m+nx which are adsorbed on interlayer cation exchange sites. Although not exchangeable by unbuffered salt solutions, they are responsible for a ...

Essential (chemical) elements

Earth science; Soil science

Elements required by plants to complete their normal life cycles which includes C, H, O, P, K, N, S, Ca, Fe, Mg, Mn, Cu, B, Zn, Co, Mo, Cl, and Na.

Allophane

Earth science; Soil science

An aluminosilicate with primarily short-range structural order. Occurs as exceedingly small spherical particles especially in soils formed from volcanic ash.