On Sun, 06 Jul 2008 15:52:22 -0500, Omelet <ompomelet@[EMAIL PROTECTED]
>
wrote:
>In article <7e82741onhuq61scdll062mdpef27ibuse@[EMAIL PROTECTED]
>,
> The Cook <susan_r23666@[EMAIL PROTECTED]
> wrote:
>
>> On Sun, 6 Jul 2008 06:19:54 -0700 (PDT), "www.locoworks.com"
>> <videochas@[EMAIL PROTECTED]
> wrote:
>>
>> >On Jul 5, 9:15?pm, Omelet <ompome...@[EMAIL PROTECTED]
> wrote:
>> >> In article
>> >> <c0eb418d-db8f-44ff-98d2-08876c31d...@[EMAIL PROTECTED]
>,
>> >>
>> >> ?"www.locoworks.com" <videoc...@[EMAIL PROTECTED]
> wrote:
>> >> > In past posts I bewailed the poor performance of the tomatoes in
my
>> >> > greenhouse, with their leaves turning over and changing to a vivid
>> >> > purple hue. ?All the fixes suggested here had no effect. ?I was
>> >> > distraught.
>> >>
>> >> > Today, just after noon, I was in the greenhouse. ?I went to check
the
>> >> > soil moisture by sticking my finger in the pots. ?It was moist all
>> >> > right, but it was uncomfortably hot as well. ?The sun beating on
the
>> >> > pots had raised the soil to the temperature of hot coffee (or tea,
if
>> >> > you prefer).
>> >>
>> >> > Now, I have rigged some heavy plastic board to shade the pots. ?I
>> >> > await further developments and I will post them here. ?Thanks to
those
>> >> > of you who have kept with me so far.
>> >>
>> >> You need to open up more ventilation in the greenhouse, and consider
>> >> some shade cloth over the roof.
>> >> --
>> >> Peace! Om
>> >>
>> >> "Human nature seems to be to control other people
>> >> until they put their foot down." -- Stephan Rothstein
>> >
>> >Omelet,
>> >
>> >I have considered shade cloth over the greenhouse, but I fear that the
>> >reduction in sunlight would not be beneficial to the plants, We are
>> >in a coastal area and have fog and overcast a good part of the time.
>> >The problem seemed to be that when we do have full sun it raised the
>> >temperature of the soil in the pots (not the plants) too high.
>> >Shading the pots seems to be accompli****ng this. I await further
>> >developments.
>> >
>> >There is a large hatch in the roof and one at each end of the
>> >greenhouse. All three are open and there is no condensation inside.
>> >The only way to increase the ventilation would be with a fire axe.
>>
>>
>> A fan would help.
>
>Good idea!
>I concur.
Mine came with a thermostatically controlled fan. It also has two
vents. I do not have anything in mine now because it gets up to 120°F
if the sun is out even with the vents and door open. I have turned
off the fan. No use in wasting electricity.
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