Leviticus 19:23-25
And when you shall come into the land, and shall have planted all manner of trees for food, then you shall count the fruit thereof as uncircumcised: three years shall it be as uncircumcised to you: it shall not be eaten of.
Nave's Topical Index—AKJV

Deuteronomy 20:19,20
When you shall besiege a city a long time, in making war against it to take it, you shall not destroy the trees thereof by forcing an ax against them: for you may eat of them, and you shall not cut them down (for the tree of the field is man's life) to employ them in the siege:
Nave's Topical Index—AKJV