Re: Yellowing Seedlings/Plants

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• To: Multiple recipients of list SQFT <S*@UMSLVMA.UMSL.EDU>
• Subject: Re: Yellowing Seedlings/Plants
• From: R* C* I* <r*@UVI.EDU>
• Date: Wed, 12 Mar 1997 10:22:42 -0400

At 08:58 AM 3/12/97 -0500, you [Toni] wrote:
>In a message dated 97-03-11 17:04:40 EST, Bob writes:
>
><< While 12 hours is okay, much like the outdoor's daylight length, 16 hours
>will
> give your seedlings more energy and encourage better growth.>>
>
>Geez, where do you live?  We don't even have 12 hours of sunlight yet!!!
>:-)))  Even in the summer we won't have 16 hours of sunlight!  I did increase
>the timers to 14 hours.  I thought maybe I was giving them too much light as
>I had them on for 18 hours per day.

I believe more hours are recommended for artificial lights because they
aren't as bright as sunlight.

><< The best growing temperature for most seedlings, and this is a
>generalization,
> is 15-18°C.  If the soil temperature is too cool it can interfere with the
> plants' uptake of nutrients.>>

FYI, this is 59-64 American degrees.

@->-`-,-------------------------------+
|  Cousin Ricky      USDA zone 11     |
|  rcallwo@uvi.edu   formerly zone 6  |
+-------------------------------------+

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