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Homeowner Forum / Lawn and Garden / February 2008Growing tomatoes under lights
I'm growing some tomato plants under a 400 watt metal halide lamp. They are about three weeks old and several are a few days from blooming. Right now I have them under 18 hours of light and 6 hours of darkness. Should I continue to keep them under the MH lamp or should I switch over to my high pressure sodium lamp? Also, should I change the light schedule at all? > I'm growing some tomato plants under a 400 watt metal halide lamp. They > are about three weeks old and several are a few days from blooming. Right [quoted text clipped - 3 lines] > to my high pressure sodium lamp? Also, should I change the light schedule > at all? Tomatoes = long day, since they bear fruit during summer. I'd switch to HPS anyway, since it costs less to run per usable lumen. In article <51665ca1-3c98-4833-b7e1-58c7081634f2@60g2000hsy.googlegroups.com>, > > I'm growing some tomato plants under a 400 watt metal halide lamp. They > > are about three weeks old and several are a few days from blooming. Right [quoted text clipped - 7 lines] > I'd switch to HPS anyway, since it costs less to run per > usable lumen. My tomatoes first flower around the summer solstice. After that they set fruit and flower some more as the days begin to shorten.  SignatureBilly Impeach Pelosi, Bush & Cheney to the Hague http://rachelcorriefoundation.org/site/ http://en.wikipedia.org/wiki/Movement_to_impeach_George_W._Bush > In article > <51665ca1-3c98-4833-b7e1-58c708163...@60g2000hsy.googlegroups.com>, [quoted text clipped - 12 lines] > > My tomatoes first flower around the summer solstice. Which would be close to 18-6. > After that they set > fruit and flower some more as the days begin to shorten. Up until the equinox, with declining production until killing frost? > -- > > Billy > > Impeach Pelosi, Bush & Cheney to the Haguehttp://rachelcorriefoundation.org/site/http://en.wikipedia.org/wiki/Movement_to_impeach_George_W._Bush In article <e6353ceb-395e-466b-8820-f1ced8744c3f@z17g2000hsg.googlegroups.com>, > > In article > > <51665ca1-3c98-4833-b7e1-58c708163...@60g2000hsy.googlegroups.com>, [quoted text clipped - 17 lines] > > Which would be close to 18-6. Ay, Father, but we dunna all have the luck to live in, Nova Scotia isn't it? SignatureBilly Impeach Pelosi, Bush & Cheney to the Hague http://rachelcorriefoundation.org/site/ http://en.wikipedia.org/wiki/Movement_to_impeach_George_W._Bush |
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