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1 закисление почвы
закисление почвы
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
soil acidification
A naturally occurring process in humid climates that has long been the subject of research, whose findings suggest acid precipitation effects. The generally accepted impact of soil acidification on the productivity of terrestrial plants is summarised as follows: as soil becomes more acidic the basic cations (Ca, Mg) on the soil exchange are replaced by hydrogen ions or solubilized metals. The basic cation, now in solution, can be leached through the soil. As time progresses the soil becomes less fertile and more acidic. Resultant decreases in soil pH cause reduced, less-active population of soil microorganisms, which in turn slow decomposition of plant residues and cycling of essential plant nutrients. (Source: PARCOR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-французский словарь нормативно-технической терминологии > закисление почвы
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2 водная эрозия
водная эрозия
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
water erosion
The breakdown of solid rock into smaller particles and its removal by water. As weathering, erosion is a natural geological process, but more rapid soil erosion results from poor land-use practices, leading to the loss of fertile topsoil and to the silting of dams, lakes, rivers and harbours. There are three classes of erosion by water. a) Splash erosion occurs when raindrops strike bare soil, causing it to splash, as mud, to flow into spaces in the soil and to turn the upper layer of soil into a structureless, compacted mass that dries with a hard, largely impermeable crust. b) Surface flow occurs when soil is removed with surface run-off during heavy rain. c) Channelized flow occurs when a flowing mixture of water and soil cuts a channel, which is then deepened by further scouring. A minor erosion channel is called a rill, a larger channel a gully. (Source: ALL)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Русско-французский словарь нормативно-технической терминологии > водная эрозия
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3 улучшение почвы
улучшение почвы
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
soil improvement
Process of protecting the soil from excessive erosion and making soil more fertile and productive. (Source: LANDY)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
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Русско-французский словарь нормативно-технической терминологии > улучшение почвы
См. также в других словарях:
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