Gaal spoke again and said, Behold, there come people down by the middle of the land, and one company comes by the way of the oak of Meonenim.
"Strewing the ruined city with salt [Judges 9:45], which only occurs here, was a symbolical act, signifying that the city was to be turned for ever into a barren salt desert. Salt ground is barren desert (Job xxxix. 6, [Psalms] cvii. 34)." [Note: Keil and Delitzsch, p. 370.] 