Leviticus 25:4-6
4 But in the seventh year the land is to have a sabbath of rest, a sabbath to the Lord. Do not sow your fields or prune your vineyards.
5 Do not reap what grows of itself or harvest the grapes of your untended vines. The land is to have a year of rest.
6 Whatever the land yields during the sabbath year will be food for you—for yourself, your manservant and maidservant, and the hired worker and temporary resident who live among you,