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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Soil science 
gypsum
Earth science; Soil science
CaSO4•2H2O. The common name for calcium sulfate, used to supply calcium to ameliorate soils with a high exchangeable sodium fraction.
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 ...
hematite
Earth science; Soil science
Fe2O3. A red iron oxide mineral that contributes red color to many soils.
scoria land
Earth science; Soil science
In soil survey a map unit that is a miscellaneous area, which consists of clinkers, burned shale or fine-grained sandstone remaining after coal beds burn out.
hydrogenic soil
Earth science; Soil science
Soil developed under the influence of water standing within the profile for considerable periods; formed mainly in cold, humid regions.
rhizobia
Earth science; Soil science
Bacteria able to live symbiotically in roots of leguminous plants, from which they receive energy and often utilize molecular nitrogen. Collective common name for the genus ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)