- 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 ...
The amount of a specified substance produced (e.g., grain, straw, total dry matter) per unit area.
Industry:Earth science
Vertisols of relatively humid regions that have wide, deep cracks that usually remain open continuously for <60 days or intermittently for periods that total <90 days.
Industry:Earth science
The hydrologic response of a watershed to storm events. Often used to refer strictly to subsurface flow through the shallow zone of hillslopes during storm events.
Industry:Earth science
That part of the bulk volume of soil not occupied by soil particles. Soil pores have also been referred to as interstices or voids.
Industry:Earth science
The process which occurs when interacting clay platelets move apart.
Industry:Earth science
The leaching fraction necessary to keep soil salinity, chloride, or sodium (the choice being that which is most demanding) from exceeding a tolerance level of the crop in question. It applies to steady-state or long-term average conditions.
Industry:Earth science
The total area, including solid particles and pores, of a cross-section through an arbitrary quantity of soil; the area counterpart of bulk volume.
Industry:Earth science
Zones of apparent accumulation of Fe-Mn oxides in soils.
Industry:Earth science
The bond resulting from the orientation and attachment of a dipolar molecule to the surface of an ion.
Industry:Earth science
The molecules of silicon dioxide (SiO2) per molecule of aluminum oxide (Al2O3) plus ferric oxide (Fe2O3) in clay minerals or in soils.
Industry:Earth science
