[compost_tea] Re: Re: Biosolids

From: Kirk Leonard <kirk_at_oregonatural.com>
Date: Fri, 11 Jun 2004 12:35:21 -0700
Something missed...

> Date: Thu, 10 Jun 2004 11:29:59 -0400
> From: soilfoodweb_at_aol.com
> Subject: Re: Biosolids
>
> Hi Lloyd -
>
> Yes, residential waste can include some less-than-wonderful food
resources, but they are still food resources for critters.  It is a
concentration question.
>
> The microbes can take care of all the things you mentioned, if there isn't
much toxic material.  And in residential waste, the relative percentage of
horrible stuff is negligible.  The heavy metal load isn't high, the critters
can sequester, tie-up, and put those toxics into not-plant available forms.
>
> But as you say, it's a dead give-away that there is something seriously
not-residential waste in the waste stream if the folks giving the biosolid
material away limit the amount that can be put on an area.

[snip]

> Thoughts?  What have I overlooked?
>
> Elaine Ingham

Storm water from streets.  You got close to it with lawns, parks, etc, but
streets are a primary source of the metals problems, maybe bigger than
industry most places.  Lots of cities (most?) worldwide combine street water
runoff with other sewage wastes, and especially where storm runoff is also
collected by curbing, the result is a higher concentration of nasties that
is inevitable when storm runoff from streets is combined with other sewage.

Thanks for the super microsope tutorial today.  What's a "field of view" -
each time you move the slide?

Kirk








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Received on Fri Jun 11 2004 - 16:52:23 EDT

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