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Re: Aquatic Plants Digest V1 #161



I wonder what would happen it I drained my hot tub into my pond which
contains plants and gold fish. The pond contains approximately 1000 cubic
feet of water.
Thanks,
Tim

>
>Aquatic Plants Digest        Monday, 3 July 1995        Volume 01 : Number 161
>
>In this issue:
>
>	re: Use of nitrate 
>	fw:Nature Aquarium World ID, Newsgroup vs. Mail List 
>	re:fw:Nature Aquarium World ID, Newsgroup vs. Mail List 
>
>See the end of the digest for information on subscribing to the
>Aquatic Plants mailing list and on how to retrieve back issues.
>
>----------------------------------------------------------------------
>
>From: "shaji (s.) bhaskar" <bhaskar at bnr_ca>
>Date: Mon, 3 Jul 1995 10:47:00 -0400 
>Subject: re: Use of nitrate 
>
>>From: krombhol at freud_inst.com (Paul Krombholz)
>>Date: Sat, 1 Jul 1995 17:20:12 +0600
>>Subject: Re:Use of nitrate
>>
>>Hi Joanne.  Aquatic plants do very well on nitrates.  I once grew 8 genera,
>>including Vallisneria, Elodea, Ceratophyllum, and even Aponogeton
>>madagascareinsis, in sterile culture,(well, almost sterile, at least
>>algae-free), in flasks with nitrate as their only source of nitrogen.  They
>>all grew very rapidly and used up all the nitrate supplied.  This is not to
>>say that they can't also use ammonia.  I believe that if you have
>>measurable nitrate, even as low as 1PPM, that should be plenty for your
>>plants.
>
>I think I can add some information on the ammonium vs. nitrate debate.
>
>About a year ago there was an article by Diana Walstad that said something
>to the effect that aquatic plants preferred ammonium over nitrate.
>
>She based her article on a peer-reviewed publication that cited
>results from a study done with Spirodela (a kind of large duckweed).
>This floating plant was grown in a mix of equal concentrations of
>ammonium, nitrite and nitrate.  Tests showed that the ammonium was
>absorbed first, and nitrate last.  Nitrate *was* used up, but only
>after practically all the ammonium ions were gone.
>
>I'll agree with Paul that as long as some nitrates are present, the
>plants are probably not lacking in N.  As he implies, it is possible
>to take the "lower is better" dogma too far.  If nitrates read zero,
>you probably should be adding some nitrogen.
>
>- -Shaji
>- -------------------------------------------------------------------------
>Shaji Bhaskar                                              bhaskar at bnr_ca
>BNR, 35 Davis Dr., RTP, NC 27709, USA                      (919) 991 7125
>
>------------------------------
>
>From: "shaji (s.) bhaskar" <bhaskar at bnr_ca>
>Date: Mon, 3 Jul 1995 11:27:00 -0400 
>Subject: fw:Nature Aquarium World ID, Newsgroup vs. Mail List 
>
>Here's one from Steve Hicks that the mailing list management software
>could not handle.
>
>Regards,
>
>Shaji 
>(the non-automated list engine)
>
>
>- ---forwarded message---->
>
>From: steveh at ilx_com (Steven Hicks)
>To: Aquatic-Plants at actwin_com
>Subject: Nature Aquarium World ID, Newsgroup vs. Mail List
>Cc: steveh at coltrane_devo.ilx.com
>X-Mailer: ScoMail 1.0
>Date: Mon, 3 Jul 1995 11:15:59 -0400 (EDT)
>
>I've been lurking here for a month or so, and on the rec.aquaria
>newsgroup for several months.  The plants I've chosen (with the help
>of several of the regular posters to this list) for my first tank
>should be arriving from Mike at Delaware Aquatics later this week. :)
>Anyway, I have a few questions about 'Nature Aquarium World', and a
>concern about moving plant discussions to a newsgroup.
>
>I'm having a bit of trouble ID'ing some of the plants in 'Nature
>Aquarium World' (by ?).  On page 10 there is a small, stemmed, light
>green plant which the author refers to later as 'pearl grass'.  Is
>this hemianthus micranthemoides?  On the same page is a tall, stemmed,
>reddish plant with long (very) narrow leaves.  Is this ludwigia
>arcuata or alternanthera reinekii?  Finally, what is the author
>talking about when he mentions the 'Dutch plant' (it's in his list of
>background/tall plants).
>
>On the subject of the rec.aquaria split, I plan to vote for it but I
>have one concern which I have not seen mentioned here.  All messages
>to the mailing list are archived, and there is a search page
>
>    http://www.actwin.com/fish/aquatic-plants/search.html
>    
>which is EXTREMELY helpful to me as a newcomer.  I assume that
>automatic archiving of every post would no longer be done if the
>discussion was moved to a newsgroup.  This would be a shame.  A FAQ is
>ok but a searchable archive of every post is 100x better.
>
>- --
>Steven Hicks,            ILX Systems                  212-720-3148
>steveh at ilx_com           111 Fulton Street            212-312-2983 (fax)
>                         New York, NY  10038 
>
>
>------------------------------
>
>From: "shaji (s.) bhaskar" <bhaskar at bnr_ca>
>Date: Mon, 3 Jul 1995 13:01:00 -0400 
>Subject: re:fw:Nature Aquarium World ID, Newsgroup vs. Mail List 
>
>>From: steveh at ilx_com (Steven Hicks)
>>To: Aquatic-Plants at actwin_com
>>Subject: Nature Aquarium World ID, Newsgroup vs. Mail List
>>Cc: steveh at coltrane_devo.ilx.com
>>X-Mailer: ScoMail 1.0
>>Date: Mon, 3 Jul 1995 11:15:59 -0400 (EDT)
>
>>On the subject of the rec.aquaria split, I plan to vote for it but I
>>have one concern which I have not seen mentioned here.  All messages
>>to the mailing list are archived, and there is a search page
>>
>>    http://www.actwin.com/fish/aquatic-plants/search.html
>>    
>>which is EXTREMELY helpful to me as a newcomer.  I assume that
>>automatic archiving of every post would no longer be done if the
>>discussion was moved to a newsgroup.  This would be a shame.  A FAQ is
>>ok but a searchable archive of every post is 100x better.
>
>Neil Frank, Mark Rosenstein and I have been talking about this issue.
>Here's a synopsis.
>
>Mark says does not have the resources to archive all the discussions on
>the plants newsgroup (disk space, software, newsfeed etc.).  So the 
>newsgroup most probably will not be archived.
>
>On the other hand, there is no reason why the mailing list should go
>away once the newsgroup is created.  Mark is willing to provide the
>resources for its continued existence, including archiving of discussions.
>
>There are many precedents for this on the net.  (The newsgroup
>rec.gardens.orchids, for instance, has a corresponding mailing list.)
>What usually happens is that the geeks (or gurus, depending on who you
>ask) hang around in the list, and the people who just want a nice tank
>with plants migrate to the newsgroup.  Usually, there is also a group
>of people that provide feedback between the list and the newsgroup.
>
>After the newsgroup is created (if it ever is :-() we on the list will 
>just have to figure out how we fit into the overall scheme of things.
>
>- -Shaji
>
>------------------------------
>
>End of Aquatic Plants Digest V1 #161
>************************************
>
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>
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