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
Add a new termContributors in Soil science
Soil science
Fibric material
Earth science; Soil science
Organic soil material that contains 3/4 or more recognisable fibres (after rubbing between fingers) of undecomposed plant remains. Bulk density is usually very low and water holding capacity very ...
Phagotophic
Earth science; Soil science
Form of feeding where micro-and mesofauna (i.e., protozoa) engulf particulate nutrients, such as bacteria or organic fragments.
Vitrands
Earth science; Soil science
Andisols that have 1500-kPa water retention of <15 % on air dry <30 % on undried samples throughout 60% of the thickness either; a) within 60 cm of the soil surface or top of an organic layer with ...
Glaebule
Earth science; Soil science
A three-dimensional unit within the s-matrix of the soil material. Its morphology is incompatible with its present occurrence being within a single void in the present soil material. It is ...
Limnic material
Earth science; Soil science
One of the common components of organic soils and includes both organic and inorganic materials that were either (i) deposited in water by precipitation or through the action of aquatic organisms, or ...
Calcareous soil
Earth science; Soil science
Soil containing sufficient free CaCO3 and other carbonates to effervesce visibly or audibly when treated with cold 0. 1M HCl. These soils usually contain from 10 to almost 1000g kg-1 CaCO3 ...
Mine dumps
Earth science; Soil science
Areas covered with overburden and other waste materials from ore and coal mines, quarries and smelters, and usually with little or no vegetative cover.
