[nafex ibiblio list] nafex Digest, Vol 108, Issue 10
filtertitle at aol.com
Wed Jan 11 12:53:37 EST 2012
Ziziphus (jujuba) is a member of Rhamnaceae (sister group to Elaeagnaceae - Buckthorn, containing Autumn-olive); not all member of Rhamnaceae are nitrogen-fixing, although many are. Yet, there are even members of Ulmaceae (Elm) and Rosaceae (Rose) that have nitrogen-fixing members of the family. Ceanothus (NJ tea, etc.), a member of Rhamnaceae, engages in nodular fixation, but as for Ziziphus - I could have sworn I read that it, too, fixes nitrogen. I couldn't find anything supporting my assumed recollection of this, however. So, unless someone tells me otherwise, I will not longer know jujube to be a nitrogen-fixer... ha, I actually planted it along the vegetable garden believing it would fix nitrogen!
Steve; NJ 6b/7a
Date: Tue, 10 Jan 2012 21:42:32 -0500
From: Alexander Brands <abb7 at Lehigh.EDU>
Subject: [nafex ibiblio list] Jujube nitrogen fixing?
To: nafex at lists.ibiblio.org
Message-ID: <20120110214232.82363j6czg5hllw8 at imp6.cc.lehigh.edu>
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> From: Steven Covacci <filtertitle at aol.com>
> As for nitrogen-fixing trees, jujube (Ziziphus jujuba)
Steve, where have you heard that Jujube is nitrogen fixing? I can't
find any documentation to that effect.
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