Exodus 23:11
But in the seventh year you must let it lie fallow and leave it alone so that the poor of your people may eat, and what they leave any animal in the field may eat; you must do likewise with your vineyard and your olive grove.
Leviticus 25:2-7
"Speak to the Israelites and tell them, 'When you enter the land that I am giving you, the land must observe a Sabbath to the Lord.
Leviticus 25:11-12
That fiftieth year will be your jubilee; you must not sow the land, harvest its aftergrowth, or pick the grapes of its unpruned vines.
Leviticus 25:20
If you say, 'What will we eat in the seventh year if we do not sow and gather our produce?'
Leviticus 25:22
and you may sow the eighth year and eat from that sixth year's produce -- old produce. Until you bring in the ninth year's produce, you may eat old produce.
Leviticus 26:34-35
"'Then the land will make up for its Sabbaths all the days it lies desolate while you are in the land of your enemies; then the land will rest and make up its Sabbaths.