RE: [compost_tea] Testing procedures for various brewers

From: Mike Bosko <mjbosko_at_jmtsystems.com>
Date: Wed, 16 Jul 2003 18:42:44 -0700

Well, after reading your post another time, I’m starting to better grasp
your point.

But that college biology 101 student is still in me, and is tugging at my
gut saying… prove it to me … and then prove it to me that you can’t disprove
it -- sorry, being a pain in the rear is only a hobby… grin.


-----Original Message-----
From: Jeff Lowenfels [mailto:jeff_at_gardener.com]
Sent: Wednesday, July 16, 2003 6:29 PM
To: compost_tea_at_yahoogroups.com
Subject: Re: [compost_tea] Testing procedures for various brewers


<<So… when I see test results of a given brewer, I question – are we seeing
the results of the materials extracted from the compost, the brewers
capability to grow aerobic colonies or a mixture of both? I’m making my own
judgment that it’s the latter. In that case, how can we say a certain
brewer is better or worse than another by looking at the test results? Are
there not too many variables>>>

I don't think it matters as much as you may think it does.
First, you can take the very best Alaska Humus, with its unbelievable
numbers and in the wrong machine get low numbers. Obviously you have to
start with a compost that you know has numbers....but really, you can tell
if a machine is working if you have any kind of decent compost/humus/Vermi.
And, I can tell you that even something as stable as Alaska Humus has
variability from batch to batch, so I don't put as much stock as you want to
in uniform compost.
To me, the SFI numbers tell it all. Forget that most manufactures will try
and use the best stuff they can to get the highest numbers. Remember the
line at the bottom with the "minimum standards" for each category? If the
numbers from a machine meet or beat those, I know am going to get great
coverage. So I then look to cost, size, maintaince, speed and
nutrient/humus/Compost content. It is those ranges on the SFI reports that
are comparable to each other. That is what counts IMHO.

Cheers,

JEff



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Received on Thu Jul 17 2003 - 01:00:31 EDT

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