- 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 solid-particle surface area (of a soil or porous medium) divided by the solid-particle mass or volume, expressed in m2 kg-1or m2 m-3 = m-1, respectively.
Industry:Earth science
When other factors in production do not change, successive increases in the input of one factor will not proportionately increase product yield.
Industry:Earth science
The zone of soil immediately adjacent to plant roots in which the kinds, numbers, or activities of microorganisms differ from that of the bulk soil.
Industry:Earth science
Usually nitrogen fertilizer solutions of such low free NH3 content that no vapor pressure develops and application can be made without need for controlling vapor pressure.
Industry:Earth science
The ratio of the mass of any component (of a soil) to the oven-dry mass of the soil.
Industry:Earth science
The attributes of soil material as expressed in degree of cohesion and adhesion or in resistance to deformation or rupture.
Industry:Earth science
The stopping, interrupting, or temporary holding of descending precipitation in any form by mulch, a vegetative canopy, vegetation residue or any other physical barrier.
Industry:Earth science
The fraction of the bulk volume of soil that is filled with air at any given time or under a given condition, such as a specified soil-water content or soil-water matric potential.
Industry:Earth science
