- 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 ...
Plant proteins that have a high affinity for specific sugar residues.
Industry:Earth science
Expression of the variety of soil microorganisms and activities at the genetic, species, and soil ecosystem levels; measurements based on communities rather than species.
Industry:Earth science
One that, after application to and reaction with soil, decreases residual acidity and increases soil pH.
Industry:Earth science
Organic soil material that contains 3/4 or more recognizable fibers (after rubbing between fingers) of undecomposed plant remains. Bulk density is usually very low and water holding capacity very high.
Industry:Earth science
Form of feeding where micro-and mesofauna (i.e., protozoa) engulf particulate nutrients, such as bacteria or organic fragments.
Industry:Earth science
An organism that uses light as a source of energy and CO2or carbonates as the source of carbon for cell biosynthesis.
Industry:Earth science
A transient soil-surface layer, ranging in thickness from a few millimeters to a few centimeters, that is either denser, structurally different or more cemented than the material immediately beneath it, resulting in greater soil strength when dry as measured by penetration resistance or other indices of soil strength.
Industry:Earth science
Quality, state, or degree of the harmful effect from alteration of an environmental factor.
Industry:Earth science
An in vitro method for amplifying defined segments of DNA. PCR involves a repeated cycle of oligonucleotide hybridization and extension on single-stranded DNA templates.
Industry:Earth science
Reciprocal of the tortuaosity or the ratio of the straight path length to the actual flow-path length.
Industry:Earth science
