Gaois

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2 results

  1. SCIENCE|natural and applied sciences|earth sciences|soil science

    #687288

    IATE #3629676
    ithir shódach shalanda Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    saline sodic soil | saline-sodic soil
    en
    Definition soil that contains more than 15% exchangeable sodium, a saturation extract with a conductivity of more than 0.4 siemens per metre at 25°C, and in the saturated soil usually has a pH of 8.5 or less Reference "'saline-sodic soil' (25.10.2022). A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY. Encyclopedia.com"
  2. SCIENCE|natural and applied sciences|earth sciences|soil science|soil type

    #687521

    IATE #3633701
    ithir shódach neamhshalanda Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    non-saline sodic soil
    en
    Definition "sodic soil that has few dissolved salts" Reference "COM-Terminology Coordination, based on: Kelli Belden, Karen L. Panter, Jim Cook. 'Salinity Problems in Turfgrass' (24.1.2023). University of Wyoming."
    Comment 1) Non-saline sodic soils are usually dispersive in the presence of fresh water. 2) Salinity can be measured by the electrical conductivity (EC) of a water extract ofsaturated soil. It is reported in deciSiemans per meter (dS/m) or in millimhos per centi-meter (mmhos/cm). The saltier the soil (or the more saline), the greater its conductivityand the higher the number will be. The general classification of salinity is as follows:Salinity Problems in TurfgrassEC (dS/m or mmhos/cm) Interpretation0 to 2 ........................................................................................... Negligible salinity2 to 4 ..................................................... May restrict growth of very sensitive plants4 to 8 ......................................................... Growth of many plants will be restricted8 to 16 ..................................................................Only tolerant plants will grow wellAbove 16 ......................................... A few very tolerant plants will grow satisfactorily.