• Edaphic properties and soil cyanobacteria of South Western Saudi Arabia. 

      Arif, Ibrahim A.; El-Syed, A.M.A. ( Qatar University , 1997 , Article)
      Three sites at each of five localities, in the South Western Region of Saudi Arabia were surveyed during 1992, for their soil physico-chemical properties, and cyanobacterial communities. The soils were moderately calcareous, ...