[permaculture] Re: paulownias

Kevin Topek ktopek at houston.rr.com
Thu Dec 4 21:56:24 EST 2003


As far as I know and have researched, Paulownias are not nitrogen fixers.
They do not have any leguminous properties and I can find no reference to a
symbiotic bacterial relationship (nitrogen fixation). It appears they are
being touted worldwide as a rapidly growing hardwood. I found them to be
charming weeds.

Kevin


----- Original Message -----
From: "Claude William Genest" <genest at pivot.net>
To: "permaculture" <permaculture at lists.ibiblio.org>
Sent: Wednesday, December 03, 2003 8:04 AM
Subject: [permaculture] Re: paulownias


> are these trees Nitrogen fixers ?
>
>
>
> On Tuesday, December 2, 2003, at 10:44 PM, Kevin Topek wrote:
>
> > Paulownias grew like the weeds they are in the Piedmont (central) and
> > Coastal Plains of North Carolina. I was under the impression that the
> > wood
> > was a favorite for coffins in Japan. It is my observation that they
> > like
> > cool and very moist temperate conditions. During the spring, the ground
> > beneath the trees is littered with purple bells that are the fallen
> > blossoms. I also noticed when they sustained wind damage, the cracked
> > wood
> > did not rot rapidly at all, as would be expected from a fast growing,
> > thin
> > celled wood. Paulownias are being looked at for restoration of NC
> > coastal
> > land played out by cotton and hog farming.
> >
> > Kevin Topek
> >
> >
> >
> > ----- Original Message -----
> > From: "Michael Murphy" <michael at ctsl.com>
> > To: "elijah smith" <elijahs at earthlink.net>; "permaculture"
> > <permaculture at lists.ibiblio.org>
> > Sent: Tuesday, December 02, 2003 9:02 PM
> > Subject: RE: [permaculture] Extremely fast growing paulownias
> >
> >
> >> Hard to tell why he thinks there's no demand, so no one will grow
> >> them,
> > when there's a big demand for the wood, which can be harvested as
> > early as
> > six years, and they are widely grown.  We interplanted 100 with
> > chestnuts,
> > about 2 miles back from the ocean 30 miles south of San Francisco.
> > Even on
> > careful drip irrigaiton (they don't like getting their feet wet),
> > about half
> > died and none grew the advertised six feet or more a year.  They don't
> > like
> > wind, which we have in spades.  I wouldn't plant them again, except in
> > a
> > very warm, well-drained, wind-protected area.
> >>
> >> -----Original Message-----
> >> From: permaculture-bounces at lists.ibiblio.org on behalf of elijah smith
> >> Sent: Tue 12/2/2003 4:54 PM
> >> To: permaculture at lists.ibiblio.org
> >> Cc:
> >> Subject: [permaculture] Extremely fast growing paulownias
> >>
> >>
> >> Interesting - they were even growing them to "prevent ground and
> >> surface
> > water contamination."
> >>
> >> http://www.belleville.com/mld/newsdemocrat/7394032.htm
> >>
> >>
> >
> >
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