- Industry: 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 soil water potential decreases in the direction of flow.
Industry:Earth science
Unusual protein produced by legume root hairs or nodules in response to interaction with rhizobia and bradyrhizobia.
Industry:Earth science
The combined influence of the shape, size, and spatial arrangement of soil solids and soil pores.
Industry:Earth science
Zone immediately above the water table where the soil is saturated but under subatmospheric pressure.
Industry:Earth science
The exclusion or repulsion of anions from the vicinity of negatively charged soil particle surfaces.
Industry:Earth science
The volume of pores in a soil sample (nonsolid volume) divided by the bulk volume of the sample.
Industry:Earth science
The uppermost part of the soil, ordinarily moved in tillage, or its equivalent in uncultivated soils and ranging in depth from 7 to 25 cm. Frequently designated as the plow layer, the surface layer, the Ap layer, or the Ap horizon.
Industry:Earth science
That point in time when a young plant grown from seed first breaks through the soil surface.
Industry:Earth science
The fraction of infiltrated irrigation water that percolates below the root zone.
Industry:Earth science
The rate at which fertilizers, organic wastes or other amendments can be added to soils for optimum plant growth.
Industry:Earth science
