Browsing Academic by Author "Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح]"

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    • Nitrogen Transformations as affected by some factors at cultivated soils in Saudi Arabia 

      Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح] ( Qatar University , 2001 , Article)
      The influence of serial concentration of salts (0.5, 1.0 and 1.5%), application of organic matter (0.5, 1.0 and 1.5% of wheat strat) and varying soil moisture content 50, 70 and 90%) on nitrification in sandy loam soil was ...

    • Nitrogen Transformations As Affected By Some Factors at Cultivated Soils In Saudi Arabia 

      Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح] ( Qatar University , 2000 , Article)
      The influence of serial concentration of salts (0.5, 1.0 and 1.5%), application of organic matter (0.5, 1.0 and 1.5% of wheat straw) and varying soil moisture content (50, 70 and 90%) on nitrification in sandy loam soil ...

    • Sulphur Oxidation In Saudi Arabian Agricultural Soils 

      Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح] ( Qatar University , 1996 , Article)
      Laboratory studies were conducted to determine the oxidation of elemental sulphur in eight localities of Saudi Arabian soils. The effect of sulphur application on related properties of calcareous soils in Saudi Arabia was ...

    • Urea Hydrolysis and Urease Activity in Saudi Arabian Soils 

      Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح] ( Qatar University , 2000 , Article)
      Soil samples were collected from eight different localities m Saudi Arabia, and analysed for mechanical properties as well as for urea hydrolysis. The urease enzyme activity of these calcareous soils was also investigated. ...