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

Continuity equation

Earth science; Soil science

An equation representing the three-dimensional flow system that accounts for conservation of mass or energy.

Fulvic acid fraction

Earth science; Soil science

Fraction of soil organic matter that is soluble in both alkali and dilute acid.

Leghemoglobin

Earth science; Soil science

An iron-containing, red pigment(s) produced in root nodules during the symbiotic association between Bradyrhizobium or Rhizobium and legumes. The pigment resembles but is not identical to mammalian ...

Anthric saturation

Earth science; Soil science

A variation of episaturation associated with controlled flooding, which causes reduction in a soil layer and oxidation of mobilised iron and manganese in a lower unsaturated subsoil.