Deuteronomy 20:20

20 However, you may cut down trees that you know are not fruit trees and use them to build siege works until the city at war with you falls.

Deuteronomy 20:20 in Other Translations

KJV
20 Only the trees which thou knowest that they be not trees for meat, thou shalt destroy and cut them down; and thou shalt build bulwarks against the city that maketh war with thee, until it be subdued.
ESV
20 Only the trees that you know are not trees for food you may destroy and cut down, that you may build siegeworks against the city that makes war with you, until it falls.
NLT
20 You may only cut down trees that you know are not valuable for food. Use them to make the equipment you need to attack the enemy town until it falls.
MSG
20 The exception can be those trees which don't produce food; you can chop them down and use the timbers to build siege engines against the town that is resisting you until it falls.
CSB
20 But you may destroy the trees that you know do not produce food. You may cut them down to build siege works against the city that is waging war with you, until it falls.

Deuteronomy 20:20 In-Context

18 Otherwise, they will teach you to follow all the detestable things they do in worshiping their gods, and you will sin against the LORD your God.
19 When you lay siege to a city for a long time, fighting against it to capture it, do not destroy its trees by putting an ax to them, because you can eat their fruit. Do not cut them down. Are the trees people, that you should besiege them?
20 However, you may cut down trees that you know are not fruit trees and use them to build siege works until the city at war with you falls.

Cross References 1

Scripture quoted by permission.  Quotations designated (NIV) are from THE HOLY BIBLE: NEW INTERNATIONAL VERSION®.  NIV®.  Copyright © 1973, 1978, 1984, 2011 by Biblica.  All rights reserved worldwide.