Leviticus 19:24-25

19:24 In the fourth year all its fruit will be holy, praise offerings to the Lord. 19:25 Then in the fifth year you may eat its fruit to add its produce to your harvest. I am the Lord your God.

Leviticus 25:4

25:4 but in the seventh year the land must have a Sabbath of complete rest – a Sabbath to the Lord. You must not sow your field or prune your vineyard.