Cross reference
Leviticus 25:5
5 That which comes to growth of itself may not be cut, and the grapes of your uncared-for vines may not be taken off; let it be a year of rest for the land.
2 Kings 19:29
29 And this will be the sign to you: you will get your food this year from what comes up of itself; and in the second year from the produce of the same; and in the third year you will put in your seed and get in the grain and make vine-gardens and take of their fruit.
Isaiah 37:30
30 And this will be the sign to you: you will get your food this year from what comes up of itself, and in the second year from the produce of the same; and in the third year you will put in your seed, and get in the grain, and make vine-gardens, and take of their fruit.