Solonchak

Solonchak

▪ FAO soil group
 one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO) (soil). Solonchaks are defined by high soluble salt accumulation within 30 cm (1 foot) of the land surface and by the absence of distinct subsurface horizonation (layering), except possibly for accumulations of gypsum, sodium, or calcium carbonate or layers showing the effects of waterlogging. Solonchaks are formed from saline parent material under conditions of high evaporation—conditions encountered in closed basins under warm to hot climates with a well-defined dry season, as in arid, Mediterranean, or subtropical zones. Occupying about 2.6 percent of the continental land surface on Earth, they are found principally in Chad, Namibia, Australia, Paraguay, and Uruguay.

      Owing to their high soluble salt accumulations, Solonchaks require irrigation and drainage if they are to be used for agriculture. They are similar to the salinized soils in the Aridisol order of the U.S. Soil Taxonomy. Related FAO soil groups originating in arid climates and subject to limited leaching are the Solonetz, Durisols (Durisol), Gypsisols (Gypsisol), and Calcisols (Calcisol).

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Universalium. 2010.

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  • Solonchak — ist der russische Name für Salzboden. Auch Solontschak ein arider Bodentyp mit ASA GC Profil. Die Salzgehalte sind stark variierend, jedoch größer als 0,3%; der Boden pH liegt im alkalischen Bereich, meist kleiner pH 8,5 Als natürliche Vegetation …   Deutsch Wikipedia

  • Solonchak — sol Le Solonchak (du russe : Солончак) est un type de sol de forte salinité, se formant lorsque l évaporation est supérieure aux apports par les pluies, sous l influence d une nappe phréatique affleurante permanente ou saisonnière , voire… …   Wikipédia en Français

  • Solonchak — ( ru. Солончак) is pale or grey soil type found in arid to subhumid, poorly drained conditions. The word is Russian for salt marsh in turn from Russian sol , salt .ee also*Soil salinity *Solonetz *Takir (soil) *Playa *Chott …   Wikipedia

  • solonchak — noun A pale or grey soil found in arid to subhumid conditions with poor drainage …   Wiktionary

  • solonchak — (voz rusa) ► masculino AGRICULTURA Suelo salino con una elevada acumulación de sales solubles de calcio, sodio, magnesio y potasio …   Enciclopedia Universal

  • solonchak — sol·on·chak …   English syllables

  • solonchak — |sälən|chak noun ( s) Usage: sometimes capitalized Etymology: Russian, salt marsh, from solonyĭ salty, from sol salt; akin to Latin sal salt more at salt : any of an i …   Useful english dictionary

  • Solontschak — Solonchak ist der russische Name für Salzboden. Auch Solontschak ein arider Bodentyp mit ASA GC Profil. Die Salzgehalte sind stark variierend, jedoch größer als 0,3%; der Boden pH liegt im alkalischen Bereich, meist kleiner pH 8,5 Als natürliche… …   Deutsch Wikipedia

  • Solontchak — Solonchak Le Solonchak (du russe : Солончак) est un type de sol de forte salinité, se formant lorsque l évaporation est supérieure aux apports par les pluies, sous l influence d une nappe phréatique affleurante permanente ou saisonnière ,… …   Wikipédia en Français

  • Temerin — Темерин Temerin   Municipality and Town   Town center of Temerin …   Wikipedia

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