11 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
Experimental plot
Earth science; Soil science
The smallest area unit in field studies that receives an experimental treatment.
Initial condition
Earth science; Soil science
The specification of input values at the start of the model simulation, that is, time zero.
Second bottom
Earth science; Soil science
The first terrace above the normal flood plain of a stream.
Buffer power
Earth science; Soil science
The ability of solid phase soil materials to resist changes in ion concentration in the solution phase. Can be expressed as ∂Cs/∂Cl where Cs represents the concentration of ions on the solid phase ...
Sensitivity analysis
Earth science; Soil science
Testing of the effects of systematic vvariation of parameters on model predicitions or, the change in a specified model output resulting from a specified change of a single input variable.
Deep percolation
Earth science; Soil science
The downward movement of water at the bottom of the soil profile which represents a loss of water from the root zone.
Symbiosis
Earth science; Soil science
The obligatory cohabitation of two dissimilar organisms in intimate association. Often, but not always, mutually beneficial.
