Leviticus 25:5

“Now you shall sow your land for six years and gather in its produce,

As for the peoples of the land who bring wares or any grain on the sabbath day to sell, we will not receive from them on the sabbath or a holy day; and we will forego the crops the seventh year and the exaction of every debt.

“Then this shall be the sign for you: you will eat this year what grows of its own accord, in the second year what springs from the same, and in the third year sow, reap, plant vineyards, and eat their fruit.