9 Terms
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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
Add a new termContributors in Soil science
Soil science
Excessive drainage
Earth science; Soil science
Too much or too rapid loss of water from soils, either by percolation or by surface flow. The occurrence of internal free water is very rare or very deep.
Kandic horizon
Earth science; Soil science
Subsoil diagnostic horizon having a clay increase relative to overlying horizons and has low activity clays i.e., <16 cmolc kg-1 clay.
Aerate
Earth science; Soil science
To allow or promote exchange of soil gases with atmospheric gases.
Interflow
Earth science; Soil science
Water that infiltrates into the soil and moves laterally through the upper soil horizons until intercepted by a stream channel.
Mechanical weathering
Earth science; Soil science
The process of weathering by which frost action, salt-crystal growth, absorption of water, and other physical processes break down a rock into smaller fragments; no chemical change is involved.
Lowland vs. upland soils
Earth science; Soil science
Terms commonly used to denote landscape positions that are subject to flooding or that are deliberately flooded for rice production vs. those that are not.
