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Re: Different types of mycorrhizae??

>Sharon,

It's most logical, of course, to get Elaine to clarify some of this 
for you, but she is often difficult to reach. She is back from 
Australia now, and may respond to an email. I referred to notes from 
some of her ezines and earlier presentations, and I think you are 
looking at, not the mycorrhizal activity, but bacterial dominated 
soils vs fungal dominated soils, and the corresponding ratio of 
fungal to bacterial biomass. The perennials/shrubs require 
fungally-dominated soils (that is, where fungal hyphae are not 
disturbed by tilling and cultivation). Grassland/agricultural soils ( 
also those supporting vegetables/annuals) are bacterial dominated.

She discusses much of this at length in her first ezine located at:
http://www.soilfoodweb.com/ezinearchives/issue1.txt

I'd like to hear what Jeff Ball says about reasons for not rototilling.

Good luck!

Mary Appelhof


>When I attended a presentation by Elaine Ingham, I remember a lot of
>information being given about not planting perennials/shrubs and
>vegetables/annuals in the same beds or near one another, because the
>mycorrhizal activity from one sort of defeats the other. This is probably a
>terrible over-simplification on my part, but...does anyone know more about
>this? I'd like to write a mag article trying to explain why gardeners
>should not rototill, etc.
-- 
Mary Appelhof, Author of "Worms Eat My Garbage"
Flowerfield Enterprises
10332 Shaver Road
Kalamazoo, Michigan 49024 USA
PH:616-327-0108  FAX 616-327-7009
http://www.wormwoman.com/acatalog/wormwoman.html

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