- 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 ...
Organic soil material that contains less than 1/6 recognizable fibers (after rubbing) of undecomposed plant remains. Bulk density is usually very low, and water holding capacity very high.
Industry:Earth science
Liquids that have percolated through a soil and that contain substances in solution or suspension.
Industry:Earth science
Concentration is usually expressed in grams per kilogram (g kg-1) or milligrams per kilogram (mg kg-1) of dry or fresh weight; content is usually expressed as weight per unit area (e.g., kg ha-1). These terms should not be used interchangeably with regard to nutrients in plants.
Industry:Earth science
Si4Al2O10 (OH) 2 An aluminosilicate mineral with a 2:1 layer structure but without isomorphous substitution. It is dioctahedral.
Industry:Earth science
Boundary of the volume of ions around a clay platelet which migrate with the platelet in an applied electrical field.
Industry:Earth science
An equation expressing the conservation of mass or energy as it applies to soil water, heat, air, etc. , moving through soil.
Industry:Earth science
An escarpment, cliff, or steep slope of some extent along the margin of a plateau, mesa, terrace, or structural bench. A scarp may be of any height.
Industry:Earth science
Individual grains that are relatively stable and not readily translocated, concentrated, or reorganized by soil-forming processes; they include mineral grains and resistant siliceous and organic bodies larger than colloidal size.
Industry:Earth science
