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06-03-2010, 11:18 AM
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Member
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Join Date: May 2010
Location: Ontario
Age: 46
Posts: 62
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Plant Prod fertilizer, anyone heard of it?
There are only 2 fertilizer's i can get locally.
Schultz 19-31-17
and Plant Prod 25-10-10
Ordering from the states is out, it costs way too much to ship.
Last edited by butterfly79; 06-03-2010 at 11:22 AM..
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06-03-2010, 11:29 AM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,252
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Personally, I'd stick with the Schultz stuff at 1/2 tsp/gal (0.65 ml/L) at 3 out of every 4 waterings, and avoid the high-nitrogen one.
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06-03-2010, 12:42 PM
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Member
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Join Date: May 2010
Location: Ontario
Age: 46
Posts: 62
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I was told the schultz is high in phos. and has UREA. How about Dyna - Gro 7-9-5?
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06-03-2010, 02:04 PM
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Jr. Member
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Join Date: Jun 2010
Posts: 20
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I would avoid the one with urea, because urea is an organic compound in this fertilizer. Nitrogen from urea can be released, for the orchid to use, during the period when orchid doesn’t need it anymore, because it entered the resting period. This may eventually result in new growth so this orchid will not flower. It can be even worse, because it may happen during winter, when there are lower temperatures and less light. The new growth will be very poor, thereby weakening whole plant. It can take up to 2 seasons for this orchid to recover enough, to flower again.
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06-03-2010, 05:28 PM
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Senior Member
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Join Date: Jul 2009
Posts: 393
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Yes, yes, yes for the Dyna-Gro Grow 7-9-5. An excellent product, developed for hydroponics, better than the others. Has a lot in it and a lot going for it. I alternate it with the Dyna-Grow Bloom.
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06-03-2010, 05:59 PM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,252
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Dyna-Gro "Grow" formula is good. I used it exclusively for more than 10 years, and was quite pleased.
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06-03-2010, 06:28 PM
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Member
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Join Date: May 2010
Location: Ontario
Age: 46
Posts: 62
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Is Dyna gro "grow" good for orchids potted in bark?
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06-03-2010, 06:33 PM
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Senior Member
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Join Date: Jun 2009
Zone: 6a
Location: Pennsylvania
Age: 29
Posts: 6,061
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i have no idea, but i am interested in the answer. good luck!
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06-03-2010, 06:49 PM
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Member
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Join Date: May 2010
Location: Ontario
Age: 46
Posts: 62
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me too!lol. It's really difficult getting products here in canada. Can't find clear pots or fertilizer. I am frustrated.
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06-03-2010, 07:26 PM
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Senior Member
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Join Date: Apr 2008
Posts: 6,386
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Don't use the high nitrogen fertilizer (Plant Prod) - that can give you vegetative growth instead of flowers. I've never understood, however, that's there a problem with urea nitrogen, though perhaps things are different for hydroponics. I'd go with the Schultz also, but the Dyna-Grow should be okay. I use 15-30-15, a pinch in two gallons of water with every watering except during the winter when I cut back.
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