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

Aggregation

Earth science; Soil science

The process whereby primary soil particles (sand, silt, clay) are bound together, usually by natural forces and substances derived from root exudates and microbial activity.

Durinodes

Earth science; Soil science

Weakly cemented to indurated soil nodules cemented with SiO2. Durinodes break down in concentrated KOH after treatment with HCl to remove carbonates, but do not break down on treatment with ...

Steady-state

Earth science; Soil science

The state in which the variable (head, concentration, energy) changes with time.

Chemigation

Earth science; Soil science

The process where fertilizers, pesticides and other agrichemicals are applied into irrigation water to fertilise crops, control pests or amend soils.

Breakthrough time (TB)

Earth science; Soil science

The time at which the centre of mass of a solute reaches the soil column outlet.

Borolls-Mollisols

Earth science; Soil science

With a mean annual soil temperature of 400 g kg-1 unless they have a calcic horizon, and they are not saturated with water for periods long enough to limit their use for most crops.

Chroma

Earth science; Soil science

The relative purity, strength, or saturation of a color; directly related to the dominance of the determining wavelength of the light and inversely related to grayness; one of the three variables of ...