Healthy soil and sustainable growing

["TradingPostPaul" <tradingpost@riseup.net>]

Growing or raising food of any kind belongs here. That includes preserving,
marketing, all that's sustainable and based on healthy soil. 

paul tradingpost@lobo.net

*********** REPLY SEPARATOR  ***********

On 2/24/2007 at 7:38 PM Zachary Domikez wrote:

>Hello Paul, and everyone,
>I have built several greenhouses and would like to
>comment on Dieter's, Pego's, and BobbyG's thoughts -
>specifically about heating with air.  I understood
>Paul to say this is part of living-on-the-land and
>trying-to-harvest-there.
>
>If you set up some way to capture heat from the
>surrounding earth, and move it with air, then it will
>be a quick drain on the system once a cloud passes
>over the sunlight, or night falls while you  are
>otherwise engaged.
>
>In other words, a low-maintenance control system is
>very important.  You can avoid freezing your plants,
>or stunting their growth by controlling the flow of
>air, and heat.  
>
>As a corollary, Dieter mentioned glass, which is very
>expensive, breakable and heavy, so I have used vinyl
>(not green in it's fabrication, no, but useful in
>construction.)  By Vinyl, I mean the flexible roll, UV
>resistant, usually sold for tent or truck windows.  I
>have found this to  be twice as long-lasting as
>polyethylene.
>
>Next critical subject is 'irrigation,' for another
>day.
>
>Best,
>Zack