[Stoves] Fuel production, biochar, and feeding the stove in 2040

[Alex English]

Crispin,

The current state of CO2 use in 'northern' greenhouses is summarized here.

http://www.omafra.gov.on.ca/english/crops/facts/00-077.htm

I have heard mention of research work on using CO2 from biomass 
combustion. No specifics though.

Alex



On 8/24/2011 9:54 AM, Crispin Pemberton-Pigott wrote:

>
> There was a time (early 80's) when tobacco was grown in the US in
> greenhouses that were heated by natural gas burners that vented into the
> greenhouse. It was found that highly carcinogenic compounds were formed at a
> higher rate although it was not the higher CO2 that did it, it was an
> incomplete  combustion product. It was quickly banned as a fertilisation
> practise about the mid-80's.
>
> I had hoped to use the emissions from stoves to fertilise things but so far
> I am unconvinced there would be a reliable and clean exhaust stream. If it
> doesn't work with something as clean as natural gas it is going to be more
> difficult with wood.
>
> Regards
> Your agro-fan Crispin
> ++++++