Charles Ellicott Commentary Isaiah 30:23

"And he will give the rain for thy seed, wherewith thou shalt sow the ground; and bread of the increase of the ground, and it shall be fat and plenteous. In that day shall thy cattle feed in large pastures;" — Isaiah 30:23 (ASV)

Then shall he give the rain ... —Following in the steps of Joel (Joel 2:21–26), the prophet draws a picture of the outward plenty that should follow the renewal of the nation’s inner life.