- 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 ...
Atmospheric precipitation that is below pH 7 and is often composed of the hydrolyzed by-products from oxidized halogen, nitrogen, and sulfur substances.
Industry:Earth science
Concrete, ceramic, plastic, or other rigid pipe or similar buried structure used to collect and conduct profile drain-water from the soil in a field.
Industry:Earth science
Mixture of selected beneficial microorganisms and/or other organic substances (i.e., growth hormones, vitamins, etc. ) for sustainable soil management and plant productivity.
Industry:Earth science
Algae having siliceous cell walls that persist as a skeleton after death. Any of the microscopic unicellular or colonial algae constituting the class Bacillariaceae. They are abundant in fresh and salt waters and their remains are widely distributed in soils.
Industry:Earth science
A technique in which environmental (including nutritional) conditions are controlled to favor the development of a specific organism or group of organisms through prolonged or repeated culture.
Industry:Earth science
Mineral soils that have one or more pedogenic horizons in which mineral materials other than carbonates or amorphous silica have been altered or removed but not accumulated to a significant degree. Under certain conditions, Inceptisols may have an ochric, umbric, histic, plaggen or mollic epipedon. Water is available to plants more than half of the year or more than 90 consecutive days during a warm season. (An order in the U. S. system of soil taxonomy. )
Industry:Earth science
Models based upon the concept that a descrete value exist for the vaiable of interest at each point in space and given a set of input values, a unique output can be determined.
Industry:Earth science
Consisting of soil aggregates that are developed predominantly along the horizontal axes; laminated; flaky.
Industry:Earth science
A technique used to determine crystal planar spacing in minerals.
Industry:Earth science
A substantial break or gap in the geologic record where a unit is overlain by another that is not in stratigraphic succession.
Industry:Earth science
