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Soil Science Society of America (SSSA)
Industria: 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 ...
A great soil group of the temperate to cool arid regions, composed of soils with a brown surface and a light-colored transitional subsurface horizon over calcium carbonate accumulation.
Industry:Earth science
(i) Unsorted and unstratified earth material, deposited by glacial ice, which consists of a mixture of clay, silt, sand, gravel, stones, and boulders in any proportion. (ii) To prepare the soil for seeding; to seed or cultivate the soil.
Industry:Earth science
A large, irregularly shaped, commonly thin, surficial mantle of eolian sand, lacking the discernible slip faces that are common on dunes.
Industry:Earth science
A random movement of ions or molecules due to thermal agitation which tends to move because of their chemical activity gradient from areas of higher to lower concentration.
Industry:Earth science
A compound foreign to biological systems. Often refers to human-made compounds that are resistant or recalcitrant to biodegradation and/or decomposition.
Industry:Earth science
A brown, trioctahedral layer silicate of the mica group with Fe(II) and Mg in the octahedral layer and Si and Al in a ratio of 3:1 in the tetrahedral layer.
Industry:Earth science
A conceptual model of a heterogeneous system that consists of a solid surface (e.g. clay or oxide surface) having a net electrical charge together with an ionic swarm in solution containing ions of opposite charge, neutralizing the surface charge.
Industry:Earth science
A mineral that has not been altered chemically since deposition and crystallization from molten lava.
Industry:Earth science
A soil in which the sum of the thicknesses of layers containing organic soil materials is generally greater than the sum of the thicknesses of mineral layers.
Industry:Earth science
A chemical, physical, or biological procedure that estimates the suitability of the soil to support plant growth. (Sometimes used as an adjective to define fractions of soil components, e.g., "soil test phosphorus". )
Industry:Earth science