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RE: [compost_tea] B12



Title: Message
I'd love to know the specific study that shows that roundup "seriously stress the fungal web in mature soil ecosystems"
 
Thanks
 
Peter
-----Original Message-----
From: John Cowan [mailto:vivax@northlink.com]
Sent: Wednesday, July 23, 2003 5:39 PM
To: compost_tea@yahoogroups.com
Subject: RE: [compost_tea] B12

Good question Judi. Vitamin B-12 has been field applied at a rate of about
35-50 micrograms per acre. I tea I think you could guessimate but how would
you measure the results? Bioassays or some sort of sophisticated lab
analysis? Microbes are the source of B-12 so maybe we should be growing the
appropriate microbes either as a separate culture or added to compost tea.

Regarding the use of Roundup from a post a few days ago, I believe Roundup
has been shown to seriously stress the fungal web in mature soil ecosystems.
Not exactly harmless if trees are intimately tied into the fungal component.

Later,

John C.

-----Original Message-----
From: Judi Stewart [mailto:js@olympus.net]
Sent: Wednesday, July 23, 2003 8:39 AM
To: compost_tea@yahoogroups.com
Subject: RE: [compost_tea] B12


What form of B12 would you use
and how much?

Thanks,

Judi





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