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Soil Science Society of America (SSSA)
行业: Earth science
Number of terms: 26251
Number of blossaries: 0
Company Profile:
An international scientific society that fosters the transfer of knowledge and practices to sustain global soils. Based in Madison, WI, and founded in 1936, SSSA is the professional home for 6,000+ members dedicated to advancing the field of soil science. It provides information about soils in ...
Coatings of oriented clay on the surfaces of peds and mineral grains and lining pores. Also called clay skins, clay flows, illuviation cutans, or argillans.
Industry:Earth science
Cations that, on being added to water, undergo hydrolysis resulting in an acidic solution. Hydrated acidic cations donate protons to water to form hydronium ions (H3O+) and thus in aqueous solutions are acids according to the definition given by Bronsted. Examples in soils are Al3+ and Fe3+.
Industry:Earth science
Literally "fungus root". The association, usually symbiotic, of specific fungi with the roots of higher plants.
Industry:Earth science
Soil properties which can be described or measured by field or laboratory observations, e.g., color, temperature, water content, structure, pH, and exchangeable cations.
Industry:Earth science
Partial sterilization of soil, liquid, or other natural substances by temporary heat treatment.
Industry:Earth science
Rounded and subrounded aggregates of fecal material produced by the soil fauna.
Industry:Earth science
A term used in Canada to describe soils with dark-colored surface horizons of the black (Chernozem) zone; includes Black Earth or Chernozem, Wiesenboden, Solonetz, etc.
Industry:Earth science
H<sub>2</sub>NCONHCONH<sub>2</sub> A product formed at high temperature during the manufacturing of urea. It is toxic to plants.
Industry:Earth science
Metabolically produced compounds that are linked together by covalent binding (complex formation).
Industry:Earth science
A zonal great soil group consisting of soils with a thick, nearly black or black, organic matter-rich A horizon high in exchangeable calcium, underlain by a lighter colored transitional horizon above a zone of calcium carbonate accumulation; occurs in a cool subhumid climate under a vegetation of tail and midgrass prairie.
Industry:Earth science
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