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Re: [compost_tea] Re:Beneficial Organism Assay



The info should be up on the site this week sometime. 

Basically, SFI and Holmes Enviro, another microbiology lab in Corvallis, OR, have developed a combination of selective media, enzyme analysis, and molecular approaches, in order to identify a number of the most beneficial bacteria in soil, compost or compost tea. 

When other labs say they assay "Pseudomonas", they do not tell you if the bacteria are beneficial or disease species.  SFI will not allow you to differentiate the "bad guys" from the "good guys".  same with Bacillus species (do you have the Bacillus species that taste bad to aphids, or white flies, or other critters?   

This is the information you need to know, not whether you have few bacteial species that might be good, or bad.

Andf of course, if you don't have the species of beneficials, we can suggest places to go buy them.  Or find them. 

We are working on rapid ID of E. coli, and I think we'll have that within the next year.  Long time a brewing.  Not the "dip the stick in the brew and it glows if E. coli is present", that's another couple years off, but coming along.  Just be patient. 

We are also working on ID of beneficial fungi too.  Molecular work is not cheap, nor quick.

Elaine
President, Soil Foodweb Inc.
www.soilfoodweb.com
SFI Oregon, USA
SFI Australia
SFI New York
SFI Europe
SFI New Zealand

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