Deuteronomy 20:20

20 But the tree which thou knowest to be not fruit-bearing, this thou shalt destroy and cut down; and thou shalt construct a mound against the city, which makes war against thee, until it be delivered up.

Deuteronomy 20:20 Meaning and Commentary

Deuteronomy 20:20

Only the trees which thou knowest that they be not trees for
meat Which might be known not only by their not having fruit upon
them, but by other tokens, and even at a time of year when there was no fruit on any, which might be sometimes the season of a siege:

thou shalt destroy and cut them down;
if so to do was of any disservice to the enemy, or of any service to them, as follows; they had a liberty to destroy them if they would:

and thou shall build bulwarks against the city that maketh war, until
it be subdued;
build bulwarks of the trees cut down, and raise batteries with them, or make machines and engines of the wood of them, to cast stones into the city to annoy the inhabitants of it, in order to make them surrender, and until they do it. All this may be an emblem of the axe being to be laid to fruitless trees in a moral and spiritual sense; and of trees of righteousness, laden with the fruits of righteousness, the planting of the Lord, being preserved and never to be cut down or rooted up; see ( Matthew 3:10 ) ( Isaiah 60:3 ) ( Matthew 15:13 ) .

Deuteronomy 20:20 In-Context

18 that they may not teach you to do all their abominations, which they did to their gods, and ye should sin before the Lord your God.

19 And if thou shouldest besiege a city many days to prevail against it by war to take it, thou shalt not destroy its trees, by applying an iron tool to them, but thou shalt eat of it, and shalt not cut it down: Is the tree that is in the field a man, to enter before thee into the work of the siege?

20 But the tree which thou knowest to be not fruit-bearing, this thou shalt destroy and cut down; and thou shalt construct a mound against the city, which makes war against thee, until it be delivered up.