Below ts layer is a gradual transition to a yellowish stratum of clay…called subsoil (Fred W. Emerson).
Useful english dictionary. 2012.
sub|soil — «SUHB SOYL», noun, verb. –n. the layer of earth that lies just under the surface soil: »Below ts layer is a gradual transition to a yellowish stratum of clay…called subsoil (Fred W. Emerson). –v.t. to plow, till, or dig so as to cut into the… … Useful english dictionary
sub·soil — /ˈsʌbˌsojəl/ noun [noncount] : the layer of soil that is under the top layer compare ↑topsoil … Useful english dictionary
sub — sub·abdominal; sub·account; sub·acetate; sub·acid; sub·acidity; sub·acute; sub·adult; sub·aerial; sub·aesthetic; sub·age; sub·agency; sub·agent; sub·akhmimic; sub·alary; sub·alate; sub·alimentation; sub·alkaline; sub·allocate; sub·almoner;… … English syllables
soil — as·soil; as·soil·ment; as·soil·zie; be·soil; de·soil; re·soil; soil·age; soil; soil·less; soil·ure; sub·soil·er; un·soil; sub·soil; … English syllables
Soil science — is the study of soil as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and… … Wikipedia
Soil horizon — Soil samples illustrating horizons (subsoil on right) A soil horizon is a specific layer in the land area that is parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath … Wikipedia
Soil classification — deals with the systematic categorization of soils based on distinguishing characteristics as well as criteria that dictate choices in use. Overview Soil classification is a dynamic subject, from the structure of the system itself, to the… … Wikipedia
sub|stra|tum — «suhb STRAY tuhm, STRAT uhm», noun, plural ta or tums. 1. a layer lying under another: »Beneath the sandy soil there was a substratum of clay ten feet thick. 2. a layer of earth lying just under the surface soil; subsoil. 3. Figurative. basis; … Useful english dictionary
sub|til|i|sin — «suhb TIHL uh sihn», noun. a proteolytic enzyme produced by a common species of soil bacteria, used in tanning and experimentally in chemical synthesis. ╂[< New Latin (Bacillus) subtilis the species of soil bacteria (< Latin subtīlis… … Useful english dictionary
Soil Guideline Values (SGVs) — are a series of measurements and values used by the United Kingdom s Department for Environment, Food and Rural Affairs (DEFRA) to measure contamination of the soil. It is based on a series of toxicology reports from 1992 and is designed to show… … Wikipedia
