What are the old fence posts made of? If wood, then a professional outfit with a stump grinder would get rid of the roots in no time and the bits of fence posts in the way.
www.youtube.com/watch?v=OFpmtIm6AWc
I know it's a stump grinder but if it can get at the roots it will make easy work of this. Might cost a few quid to get someone in to do the job but it would be fairly quick.
Last edited by: rtj70 on Wed 4 Dec 13 at 08:22
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