6 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
Humods
Earth science; Soil science
Spodosols that have accumulated organic carbon and aluminum, but not iron, in the upper part of the spodic horizon. Humods are rarely saturated with water or do not have characteristics associated ...
Leaching requirement
Earth science; Soil science
The leaching fraction necessary to keep soil salinity, chloride, or sodium (the choice being that which is most demanding) from exceeding a tolerance level of the crop in question. It applies to ...
Stormflow
Earth science; Soil science
The hydrologic response of a watershed to storm events. Often used to refer strictly to subsurface flow through the shallow zone of hillslopes during storm events.
Bulk area
Earth science; Soil science
The total area, including solid particles and pores, of a cross-section through an arbitrary quantity of soil; the area counterpart of bulk volume.
Soil pores
Earth science; Soil science
That part of the bulk volume of soil not occupied by soil particles. Soil pores have also been referred to as interstices or voids.
Redox concentrations
Earth science; Soil science
Zones of apparent accumulation of Fe-Mn oxides in soils.
Swelling
Earth science; Soil science
The process which occurs when interacting clay platelets move apart.
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