Soil contamination — Excavation showing soil contamination at a disused gasworks. Soil contamination or soil pollution is caused by the presence of xenobiotic (human made) chemicals or other alteration in the natural soil environment. This type of contamination… … Wikipedia
soil contamination — dirvožemio tarša statusas T sritis ekologija ir aplinkotyra apibrėžtis Medžiagų, kurios tiesiogiai ar netiesiogiai kelia pavojų žmonių sveikatai, kenkia gyviesiems organizmams, mažina derlingumą, patekimas į dirvožemį dėl žmogaus veiklos.… … Ekologijos terminų aiškinamasis žodynas
Soil conservation — is set of management strategies for prevention of soil being eroded from the earth’s surface or becoming chemically altered by overuse, salinization, acidification, or other chemical soil contamination. The principal approaches these strategies… … Wikipedia
Soil chemistry — studies the chemical characteristics of soil. Soil chemistry is affected by mineral composition, organic matter and environmental factors.OverviewUntil the late 1960s, soil chemistry focused primarily on chemical reactions in the soil that… … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
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 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
Soil vapor extraction — (SVE) is an in situ process for soil remediation where contamination is removed from soil by carrying it out through a medium such as air or steam. The extracted soil vapors are separated into liquids and vapors, and each stream is treated as… … Wikipedia
Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… … Wikipedia
contamination — noun ADJECTIVE ▪ serious, widespread ▪ possible, potential ▪ environmental, food, soil, water ▪ … Collocations dictionary
Fertility (soil) — Soil fertility is the characteristic of soil that supports abundant plant life. In particular the term is used to describe agricultural and garden soil.Fertile soil has the following properties: *It is rich in nutrients necessary for basic plant… … Wikipedia