Excerpt from the report: Soil salinity, or saltiness, is a widespread condition in arid and semiarid areas and along low-lying seacoasts. Wherever irrigation is practiced, excessive amounts of soluble salts in the irrigation water or soil may cause a salinity hazard. The degree of salinity may be so low that it affects only the most sensitive crops or so high that few, if any, crops can be grown. Different crops vary widely in their tolerance to salinity. Therefore, information on salt tolerance is often valuable in deciding which crops to grow under existing conditions.