Gigantic Banana Tree Removal

Hey, I just bought a new house and I'm cleaning up the yard. Currently there is a massive banana tree on the side of the house (between my house and the neighbor). The tree is probably 15+ years old and has been allowed to grow uncut for a very long time. There are multiple stalks on the tree (20+ at least 6" diameter) and the base is about 5 feet by 8 feet (yes, this is a banana tree). I have been chopping stalks down for days now, I have just the trunk left. Question is, how do I keep it from continuing to grow back? I don't believe I could get the "root ball" out without tearing up my slab. Can I use roundup, or some other chemical? People have suggested bleach or diesel - not too hot on either of these. What about large amounts of salt?
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On 15 Aug 2006 06:39:21 -0700, snipped-for-privacy@gmail.com wrote:

Roundup sprayed on the leaves should do the trick. Remember that Roundup has to be sprayed on the foliage during vigorous growth for the best results. If I was your neighbor I would much, much rather see Roundup used than the other suggestions :)
If you plan on mowing this area let the mower take care of it. It may take a year or two, but it will eventually give up.
--
Leon Fisk
Grand Rapids MI/Zone 5b
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