- 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 at an intermediate degree of decomposition that contains 1/6 to 3/4 recognizable fibers (after rubbing) of undecomposed plant remains. Bulk density is usually very low, and water holding capacity very high.
Industry:Earth science
One of a series of low, arcuate ridges of sand and gravel developed on the inside of a growing meander by the slow addition of individual accretions accompanying migration of the channel toward the outer bank.
Industry:Earth science
Nitrogen-fixing symbiosis formed with shrubs and tree species by an actinomycete of the genus Frankia.
Industry:Earth science
Pedofeatures related to natural surfaces in soils that occur superposed to the adjoining groundmass rather than on the surface. Similar to neocutan.
Industry:Earth science
An open-ended tube that measures the pressure head at the point of opening.
Industry:Earth science
In Scotland and Ireland, gravel; in the USA, thin, flat rock fragments up to 150 mm on the long axis.
Industry:Earth science
Entisols that have textures of loamy fine sand or coarser in all parts, have <35% coarse fragments, and that are not saturated with water for periods long enough to limit their use for most crops.
Industry:Earth science
Enzymes associated with viable proliferating cells located (i) intracellularly in cell protoplasm; (ii) in the periplasmic space; (iii) at the outer cell surfaces.
Industry:Earth science
Lifting or lateral movement of soil as caused by freezing processes in association with the formation of ice lenses or ice needles.
Industry:Earth science
