Relationship Between Soluble and Exchangeable Sodium in Some Soils of the Nile Delta Elseewi, Ahmed A. ; Elattar, H. A. ; Daoud, A. M. Abstract Publication: Soil Science Pub Date: October 1977 DOI: 10.1097/00010694-197710000-00009 Bibcode: 1977SoilS.124..249E