John Calvin Commentary Joel 2:24

"And the floors shall be full of wheat, and the vats shall overflow with new wine and oil." — Joel 2:24 (ASV)

He goes on with the same subject in this verse and shows the effects of rain; for when the earth is irrigated and satiated with sufficient moisture, it brings forth fruit, rich and plentiful. God then will cause that the rains shall not be useless, for the floors shall be full of wheat, and the fats shall overflow with wine as well as oil. He afterwards adds —