As you can see, this is a vigorous, woody vine. Spraying it with vinegar will not work well and will still leave a considerable amount of material that will have to be cleaned up. I would use a grub hoe (short handle, heavy metal blade on one end, pick or axe like on the other) to remove it completely. It will go fast once you've mastered the hoe. Careful if you are around the bases of trees, the hoe will nick the big roots and cause damage to the tree.
Tony M
If you hit it hard with the hoe any leftover new shoots can be sprayed with the vinegar mix. Besides, the ground will be nicely cultivated after hoeing, you will be able to pull any new shoots out easily.
Tony M
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