Cross reference
Leviticus 25:5
5 the spontaneous growth of thy harvest thou dost not reap, and the grapes of thy separated thing thou dost not gather, a year of rest it is to the land.
2 Kings 19:29
29 And this to thee `is' the sign, Food of the year `is' the spontaneous growth, And in the second year the self-produced, And in the third year sow ye, and reap, And plant vineyards, and eat their fruits.
Isaiah 37:30
30 -- And this to thee `is' the sign, Food of the year `is' self-sown grain, And in the second year the spontaneous growth, And in the third year, sow ye and reap, And plant vineyards, and eat their fruit.