20 Terms
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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
Birefringence
Earth science; Soil science
The numerical difference between the highest and lowest refractive index of a mineral. Minerals with birefringence exhibit interference colours in thin section when viewed with crossed-polarized ...
Fermentation
Earth science; Soil science
The metabolic process in which an organic compound serves as both an electron donor and the final electron acceptor.
Fick's Law
Earth science; Soil science
The law describing the movement of ions or molecules by diffusion as caused by a concentration gradient.
Desorption
Earth science; Soil science
The migration of adsorbed entities off of the adsorption sites. The inverse of adsorption.
Respiratory quotient (RQ)
Earth science; Soil science
The number of molecules of CO2 liberated for each molecule of O2 consumed.
Calibration
Earth science; Soil science
The adjusting of input parameters until model preditions match the observed response. This is performed by setting the majority of the parameters to measured values and adjusting only the few ...
Luxury uptake
Earth science; Soil science
The absorption of nutrients by plants in excess of that quantity needed for optimum growth. Luxury concentrations during early growth may be utilised in later growth.
