soil pollution
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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 — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… … Universalium
pollution — pol|lu|tion W2 [pəˈlu:ʃən] n [U] 1.) the process of making air, water, soil etc dangerously dirty and not suitable for people to use, or the state of being dangerously dirty ▪ California s tough anti pollution laws air/water/soil pollution ▪ air… … Dictionary of contemporary English
Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… … 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 — soil, dirty, sully, tarnish, foul, befoul, smirch, besmirch, grime, begrime can all mean to make or become unclean. Soil basically implies fundamental defilement or pollution (as of the mind or spirit) {why war soils and disarranges whatever it… … New Dictionary of Synonyms
pollution — pol‧lu‧tion [pəˈluːʆn] noun [uncountable] when substances make air, water, soil etc dangerously dirty, or these substances themselves: • the effects of industrial pollution • They plan to introduce measures to reduce air pollution from traffic… … Financial and business terms
pollution — (n.) mid 14c., discharge of semen other than during sex, later, desecration, defilement (late 14c.), from L.L. pollutionem (nom. pollutio) defilement, noun of action from pp. stem of from L. polluere to soil, defile, contaminate, from por before… … Etymology dictionary
Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 … Wikipedia
Pollution des sols — Certaines fumées industrielles chargées de résidus de combustion et de divers polluants sont une des sources de retombées susceptibles de polluer les sols … Wikipédia en Français
