Re: [OGD] Wet Walls

2007-03-12 Thread Oliver Sparrow
Mr Plummer said:

Thank you to everyone who responded on- and off-list
to my query about a wet wall for my new greenhouse. 

Bear in mind Legionella as a potential problem. (Same with swamp coolers, but
teh better ones have a UV disinfector in the sump.)
__

Oliver Sparrow
+44 (0)20 7736 9716
www.chforum.org


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[OGD] Spam problems

2007-03-12 Thread Gerald Fisher
May I suggest MailWasher Pro.  It intercepts emails while still in the ISP
so that they never get to your computer. You look over the list and decide
what you will accept and what you reject. It also allows you to 'bounce'
emails so that your email address does not show up to the spammers. It has a
pretty good data base of blacklisted items.

I do not know is it works with Yahoo, et. al., so you might want to check. 

Jerry in IN



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Re: [OGD] Helpful Tips

2007-03-12 Thread IrisCohen
In a message dated 3/11/07 10:37:52 PM, Ewan writes:
 I not long ago subscribed to this mailing list as a fairly new Orchid 
 grower looking for some helpful tips on how to grow Orchids and so on.
 
There are still a few non-bickering growers here. What specific information 
are you looking for?
Iris



**
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[OGD] Sealing a wet wall for winter

2007-03-12 Thread Lisa Thoerle
Gentleperson Nick asks about sealing a wet wall during the winter.

Two winters ago we moved up to RI from MD and built a new greenhouse.  
This one is too large for a cabinet-type swamp cooler, although I guess 
I could just have multiplied them, so we have a cooler wall that looks 
just like the picture Nick supplied (although much smaller).  Up here, 
we worry a lot about sealing the greenhouse during the winter, and the 
aluminum shutters on the outside of the wet pads are not much better 
than an open window. 

During the non-summer seasons, I find that the roof vent and exhaust fan 
provide adequate cooling.  May through September, we use the wet wall.  
When the wet wall is not being used, we seal it with bubble pack on the 
outside of the aluminum shutters, using the exterior grade tape sold for 
attaching insulation.  It lasts through the season and then some!  On 
the inside, we remove the pads and stuff the opening with the thick 
styrofoam insulation sold at home centers, cut to size and taped 
together.  The exhaust fan has a longer season of utility, but when it 
starts getting really cold, we block that up and seal it with bubble 
wrap, also, and just rely upon the roof vent for cooling. 

JL Orchids has quite a nice arrangement for sealing their wet wall.  
Rather than have aluminum shutters on the outside, they have a side wall 
vent--polycarb.  This seals very nicely--but requires still another vent 
motor, still another relay, still another run of wires...  The vent 
racks are external, so it doesn't require space in the greenhouse.  I 
wish I had done it their way, and some day I may.

In MD, I found that the cooler was useful during the day, but useless 
during the night, when the RH was always in the upper 90s.  Here, since 
I live near the shore, this is still true.  I use the computerized 
controller to limit the hours the wet pad pump runs, although I allow 
the shutter to remain open.  I sprang for a Wadsworth EnviroStep 
controller, and I am so glad I did--it supports all kinds of 
interactions and controls.

Nick, may you enjoy your new greenhouse as much as I am enjoying mine!

--Lisa, pleurothallidiot

I have no commercial interest in any of the products mentioned above.

-- 
Lisa Thoerle, Little Compton, RI
[EMAIL PROTECTED]
[EMAIL PROTECTED]



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[OGD] Deep Ocean Water (Taiwan)

2007-03-12 Thread viateur . boutot
Taiwan's Council for Economic Planning and Development has chosen Taidong 
County in the southeast as the site of the island's first deep ocean water 
(DOW) pilot plant...

DOW usually refers to water 200 meters below the surface of the sea, where 
it is clean, cool (under 10 degrees Celsius), has small molecules, and is 
rich in mineral content. It contains few germs, since sunshine cannot 
penetrate that deeply and photosynthesis is impossible...

The pilot plant, which is to be built over four years... will serve as an 
RD and technology transfer center for DOW technology. In addition to the 
production of drinking water, this technology can also be used in a wide 
range of other applications including agricultural production... 
horticulture...

The plant will be designed to tap water at a depth of 400 meters below the 
surface; this is one of the main reasons for the choice of Taidong, since 
the seas there drop to 600 meters less than two kilometers off the coast 
there. In addition, oceanic currents flow past, and the surrounding sea and 
land areas are free of pollution. These factors help make Taiwan one of the 
best places in the world for developing the DOW industry, along with South 
Korea, eastern Japan, and Hawaii.

The semi-governmental Industrial Technology Research Institute (ITRI) will 
build the pilot plant on a 1.8-hectare plot at the Zhiben River estuary, 
and a pipeline, capable of drawing 10,000 metric tons of water a day, will 
be extended 2,500 meters into the sea within one year.

... A related plan... mapped out by the Taidong County Government, calls 
for the development of a DOW industry park adjacent to the pilot plant. The 
park will cover 32 hectares...

Several private enterprises are already scrambling to tap the huge DOW 
market potential...

Kuang Lung's plant in Hualian County has four pipelines that can draw in 
24,000 metric tons of DOW per day...

Another entrant into the line is the Lucky Cement Corp., which started to 
develop a DOW biotech park in Hualian two years ago... The company, which 
has obtained technological support from ITRI... plans to use DOW for orchid 
cultivation...

Investors are optimistic about the future of the DOW industry in Taiwan. 
They point to its success in Japan

article URL : http://www.taiwanheadlines.gov.tw/ct.asp?xItem=65516ctNode=9

***
Regards,

VB


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[OGD] Cultivation

2007-03-12 Thread peter croezen
Does anyone have any info on what Orchid would be a nice easy starter plant
and possible to as to growing medium, light requirements and so on I would
need to propagate them from seed.

Ewan, you will not want to grow them from seeds, which is not as easy as you 
may believe it is.

I like to suggest that you purchase a very helpful booklet that  answers many 
of the basic questions 
you have. It is not very expensive and will answer your questions quicker than 
doing it via e-mail or OGD posts.

The booklet is:
All About Orchids, ISBN: 0897214242
an Ortho series booklet you can find in any Barnes and Noble store or on the 
internet:
www.bn.com

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[OGD] beginners

2007-03-12 Thread e.muehlbauer
Now hold on a minute...I have been a member of this group, OGD, its 
immediate predecessor, OGO, and its grandparent OLDI must say that I can 
understand why a beginner would find this forum intimidating...we have some 
strong personalities here...but it really should not be that scary to a 
newbie. FWIW, a beginner question posed here will get a range of responses, 
that will give a beginner a good idea of the range of potential answers. 
They also will, by and large, be stated politely. Its really the more 
knowledgable people here who provoke discussions that may, to the 
uninitiated, appear to be quite nasty...well, sometimes, truth be told, they 
are. But this is of no concern to a beginner. Maybe, some day you too shall 
be an experienced grower with strong opinions and possibly grudges to carry. 
But meanwhile don't be turned off to this list. It is a perverse quality of 
this list that the most contentious postings provoke the most responses and 
discussions...this is nothing compared to some of what we have seen in the 
past. But, I truly feel that all the lurkers here, beginners and shy 
people...should all post their questions. A civilly posed question will 
receive a civil, and informative answer. No one here gets an abrasive 
response just for being a beginner...This list is what you want it to be. By 
all means, beginners, newbies, closet growers, etc...please post! You will 
generate a lot of discussion that will benefit you...and if it provokes an 
argument between the so-called experts, grab some popcorn, sit back, and 
enjoy.Take care, Eric Muehlbauer in finally warming Queens 
NY. 


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