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.
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