New Revised Standard Version
When he had set fire to the torches, he let the foxes go into the standing grain of the Philistines, and burned up the shocks and the standing grain, as well as the vineyards and olive groves.

Contemporary English Version
Then Samson took the foxes into the Philistine wheat fields that were ready to be harvested. He set the rags on fire and let the foxes go. The wheat fields went up in flames, and so did the stacks of wheat that had already been cut. Even the Philistine vineyards and olive orchards burned.

New American Bible
He then kindled the torches and set the jackals loose in the standing grain of the Philistines, thus burning both the shocks and standing grain, the vineyards and olive groves.

Douay-Rheims Bible
And setting them on fire he let the foxes go, that they might run about hither and thither. And they presently went into the standing corn of the Philistines. Which being set on fire, both the corn that was already carried together, and that which was yet standing, was all burnt, insomuch that the flame consumed also the vineyards and the oliveyards.

And setting them on fire he let the foxes go, that they might run about hither and thither. And they presently went into the standing corn of the Philistines. Which being set on fire, both the corn that was already carried together, and that which was yet standing, was all burnt, insomuch that the flame consumed also the vineyards and the oliveyards.

he let them go

Exodus 22:6 If a fire breaking out light upon thorns, and catch stacks of corn, or corn standing in the fields, he that kindled the fire shall make good the loss.

2 Samuel 14:30 He said to his servants: You know the field of Joab near my field, that hath a crop of barley: go now and set it on fire. So the servants of Absalom set the corn on fire. And Joab's servants coming with their garments rent, said: The servants of Absalom have set part of the field on fire.