45 All that day Abimelek pressed his attack against the city until he had captured it and killed its people. Then he destroyed the city and scattered salt over it.

Read Judges 9:45 Using Other Translations

And Abimelech fought against the city all that day; and he took the city, and slew the people that was therein, and beat down the city, and sowed it with salt.
And Abimelech fought against the city all that day. He captured the city and killed the people who were in it, and he razed the city and sowed it with salt.
The battle went on all day before Abimelech finally captured the city. He killed the people, leveled the city, and scattered salt all over the ground.