- 업종: 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 ...
The content of water, on a mass or volume basis, remaining in a soil 2 or 3 days after having been wetted with water and after free drainage is negligible.
Industry:Earth science
The oriented movement of a motile organism with reference to a chemical agent. May be positive (toward) or negative (away) with respect to the chemical gradient.
Industry:Earth science
The nearly level plain that borders a stream and is subject to inundation under flood-stage conditions unless protected artificially. It is usually a constructional landform built of sediment deposited during overflow and lateral migration of the stream.
Industry:Earth science
The property of a substance at a specified concentration that restricts or constrains plant growth.
Industry:Earth science
The continuing process in a soil which results in water removal under natural conditions.
Industry:Earth science
The electrical conductance of an extract from a soil saturated with distilled water, normally expressed in units of siemens or decisiemens per meter at 25°C.
Industry:Earth science
The biological process leading to ammoniacal nitrogen formation from nitrogen-containing organic compounds.
Industry:Earth science
The name given to the system involving negative charges associate.
Industry:Earth science
That part of the soil material that is capable of being or has been moved, reorganized, and/or concentrated by the processes of soil formation. It includes all the material, mineral or organic, of colloidal size and relatively soluble material that is not contained in the skeleton grains.
Industry:Earth science
