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Soil Leaching
(redirected from Salinity control)

    Also found in: Wikipedia 0.03 sec.
Soil Leaching 

the washing of water-soluble compounds out of the soil and the movement of a portion of the colloids into lower layers or subsoil rock. It is caused by a downward flow of water and affects mainly soils that are developing under conditions of elutriation, when the influx of moisture from atmospheric precipitation exceeds its outflow in evap-oration and transportation by plants. In the USSR such soils are, for example, leached chernozems and soils of the more northern latitudes. Elements of plant nutrition are lost as a result of leaching. The term “leaching” is often used as a synonym for “desalinization”: leaching facilitates the exploitation and raises the fertility of saline soils.
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Calculations suggest the yearly plantation of mallee gums currently underway in Western Australia for salinity control could provide enough fuel for the entire Australian steel industry.
Back to the future for sintering by Rive, Meg / Ecos
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RIVER'S RISING SALINITY POSES GREAT CHALLENGE by Daily News (Los Angeles, CA)
 
 
 
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