Subj : Re: This is the result of keeping 60% of the lights OFF and the furnanc
To   : August Abolins
From : Wilfred van Velzen
Date : Thu Mar 04 2021 09:56:15

Hi August,

On 2021-03-03 22:40:00, you wrote to me:

 AA>>> So, a structure with cattle below and greenhouse above
 AA>>> could be a nice symbiotic relationship.

 WvV>> Never heard of such a thing. But it's rare when a cattle
 WvV>> farms also grows crops in a greenhouse, so no-one thinks
 WvV>> about combining the two...

 AA> I just thought since it's not uncommon for people to build
 AA> "green spaces" and gardens on rooftops, maybe the two can be
 AA> combined so that the heat produced from the animal husbandry
 AA> from below can offer some warmth to the plants above.

Maybe, but I've never heard of it before, either as idea or as an implementation. So maybe it's impractical, or no one had thought of it before.

One thing though, the greenhouses over here are usually much larger than the stables that house a couple of hundred cows, for the average cow farm. So the energy in the form of warmth that can be harvested from a stable is probably way to little to heat an average greenhouse...

Bye, Wilfred.

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