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Re: RES: [compost_tea] Re: Pumping air in is not the best way to aerate your tea



Thank you for your observations, Jose!  

When we consider the theoretical condition without testing to see what we've neglected to include in the equation, we end up, for example, with the engineering approach to cows....."Consider a round cow..."

Those legs sticking off the bottom are just such an inconvenience....  Just the way that the cow GETS to the food you want to feed "the round part".  

So often the engineering world takes that approach.  They do not recognize all the factors actually at play.  When you look at pipes and ninety degree angles, the biolfilm actually doesn't BEGIN on the impact surface, it begins where the water stream carries most of the debris....which is on the opposite side of the pipe, just around the bend.  Engineers didn't predict that, but it is what has happened time and time again.  Once the biofilm gets going there, then the rest of the pipe soon follows.

There are maybe a few things that the engineering world needs to learn about biology.  I shouldn't just pick on soil chemists.... 

:-))))

That was BIG grin, folks.  Some of my best friends are chemical engineers.....

Elaine Ingham
President, Soil Foodweb Inc.
SFI Corvallis, OR
SFI Port Jefferson, NY
SFI Lismore, NSW, Australia
SFI Hilversum, The Netherlands
SFI Cambridge, New Zealand
www.soilfoodweb.com

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