1 Terms
Home > Industry/Domain > Earth science > 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 termContributors in Soil science
Soil science
Permanent charge
Earth science; Soil science
The net negative (or positive) charge of clay particles inherent in the crystal structure of the particle; not affected by changes in pH or by ion-exchange reactions.
PH-dependent charge
Earth science; Soil science
The portion of the cation or anion exchange capacity which varies with pH.
Poiseuille's Law
Earth science; Soil science
The law governing flow in an individual tube or pipe in which the flow rate is proportional to the product fo the pressure drop per unit distance and the tube radius to the fourth power.
Soil shrinkage
Earth science; Soil science
The process of soil material contracting to a lesser volume when subject to loss of water. * basic shrinkage phase (or zone) - The middle phase of soil shrinkage between the structural and residual ...
Aquults
Earth science; Soil science
Ultisols that are saturated with water for periods long enough to limit their use for most crops other than pasture or woodland unless they are artificially drained. Aquults have mottles, ...
Thermal conductivity
Earth science; Soil science
The proportionality factor in Fourier's Law that represents the ability of soil to conduct heat and is equivalent to the thermal flux per unit temperature gradient.
Sediment
Earth science; Soil science
Transported and deposited particles or aggregates derived from rocks, soil, or biological material.
