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GynZi
Joined: 13 Apr 2008
Posts: 18
Location: Finland
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| Posted: Thu 01 May, 2008 5:43 am |
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| Skeeter wrote: | | Citrus go thru growth spurts--the leaves grow for a while, then the roots, then the leaves again. The three together may be competing for nutrients, you can divide then carefully. |
These three seemed to be maybe even weeks behind the others, so i thought that i might as well give them some fertilizer. So i gave them some dilluted saltpetre (the source for nitrogen in my hydroponic system), and they started growing. I'm not going to divide them, the roots are probably already so mixed up, and i don't have any more space for extra pots until i get my greenhouse up. Chilis taking too much space  |
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GynZi
Joined: 13 Apr 2008
Posts: 18
Location: Finland
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| Posted: Fri 09 May, 2008 2:30 pm |
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| Millet wrote: | | Temperatures at or below 13C the tree will stop all growth. |
As i moved my potted mandarins into my greenhouse, they started growing pretty fast. Now, i started wondering this temperature thing. IF the temperature goes below 13C, how long will it stop growth for? Will it continue when the temperature rises again, or will the tree be in a "sleep mode" for a while? I'm wondering this, because for now, i have to keep carrying the seedlings inside for the night, and into the greenhouse for the day because of the low night temperatures. Last week we got -4C, when during the day it was +23C  |
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Skeeter
Moderator
Joined: 23 Jul 2006
Posts: 2218
Location: Pensacola, FL zone 9
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| Posted: Fri 09 May, 2008 4:15 pm |
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I don't think that overnight drops below 13C will stop growth. I had seedlings I left outside in containers over the winter and many of them put on growth flushes during the middle of winter. I keep them under a shade cloth so that they do not get winter leaf drop for direct sun exposure and it has worked well.
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Skeet
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GynZi
Joined: 13 Apr 2008
Posts: 18
Location: Finland
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| Posted: Fri 09 May, 2008 4:29 pm |
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Alright, thanks. I'll leave two seedlings into the greenhouse over night, and see what happens. I have a little 1250w car heater inside the greenhouse, that keeps the temperature a little above 0C (about 6C) in case it drops below zero outside. |
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Skeeter
Moderator
Joined: 23 Jul 2006
Posts: 2218
Location: Pensacola, FL zone 9
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| Posted: Fri 09 May, 2008 10:59 pm |
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The hazard is exposure to direct sun while the roots are cold. If the soil has time to warm up before the sun gets to the leaves, it will be OK. If not, you need to use something (like burlap) to shade the tree until the greenhouse warms up.
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Skeet
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GynZi
Joined: 13 Apr 2008
Posts: 18
Location: Finland
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| Posted: Sat 17 May, 2008 8:30 am |
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This is interesting. My smallest mandarin has started growing TWO tips after the first pair of real leaves
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GynZi
Joined: 13 Apr 2008
Posts: 18
Location: Finland
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| Posted: Tue 20 May, 2008 3:25 pm |
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Wow, it's only 3 days from the previous update. This thing is growing fast.
Too bad the rest haven't grown this fast. The one in the hydroponic system stopped growing for a long time, then i gave it some more light and it started again. |
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