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
Alpine meadow soils
Earth science; Soil science
A great soil group of the intrazonal order, comprised of dark soils of grassy meadows at altitudes above the timberline.
Ferri-argillan
Earth science; Soil science
A cutan consisting of a mixture of clay minerals and iron oxides, hydroxides, or oxyhydroxides.
Diazotroph
Earth science; Soil science
A microorganism or association of microorganisms that can reduce molecular nitrogen (N2) to ammonia.
Microcosm
Earth science; Soil science
A community or other unit that is representative of a larger unit.
Ring silicate
Earth science; Soil science
A mineral containing a circular arrangement of silica tetrahedra which share two oxygens per tetrahedra; silicon-oxygen ration is SiO,32-; example: beryl, Be3Al2(SiO3)6; cyclosilicate.
Ablation till
Earth science; Soil science
A general term for loose, relatively permeable material, either contained within or accumulated on the surface of a glacier deposited during the downwasting of nearly static glacial ice.
Agricultural lime
Earth science; Soil science
A soil amendment containing calcium carbonate, magnesium carbonate and other materials, used to neutralise soil acidity and furnish calcium and magnesium for plant growth. Classification including ...
