Re: [compost_tea] Some fungi info

From: <soilfoodweb_at_aol.com>
Date: Mon, 22 Dec 2003 06:21:51 -0500

In a message dated 12/22/2003 12:49:43 AM Eastern Standard Time, ted.peterson_at_tcsn.net writes:

 
> http://www.dartmouth.edu/~mpayres/pubs/abs52.htm
>
> The above page is an Ayres Abstract about how fungi work in the soil.

Not how fungi, in general, work in soil, but how ectomycorrhizal fungi respond to some particular nutrient additions. Ectomycorrhizal fungi are unique, and very dependent on particular situations, quite often only able to grow and reproduce when in symbiosis with plant roots. Please don't take this information as typical of every day fungi in soil.

 
> http://www2.mhc.ab.ca/Users/pwallis/LabManPDF/10FUNGUS.pdf
>
> The above page is a test procedure for fungal growth. Some
> interesting statements here.
>
Not growth in soil. This is petri plate growth, and NOT what you would expect in soil. Petri plates do not have all the other organisms which are present in soil. Fungi are interacting with them ALL in soil. And Rhizopus is not a common fungus to find growing in soil. It grows fine on bread, but how much bread is present in most ag soils? You can isolate this fungus from most soils, but does that mean it is GROWING in that soil? No. May be lots of spores in soil, but not growing, not performing a function in most anyone's soils.

If you want to know how fungi behave IN SOIL, you have to look at them growing IN SOIL. Please, think about things we see in the lab versus what soil is really all about.

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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Received on Mon Dec 22 2003 - 10:43:52 EST

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