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[compost_tea] Re: Filtering ACT



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Dr. Ingham,

What is the bulk density in general,on average of a bacterium,as is? 
How about fungi and protozoa?  I suppose their bulk densities vary by 
specie and maturity so don't convert to biomass, in general on 
average.  Dennis



In compost_tea@yahoogroups.com, "TaChung Huang" <tachung_h@y...> 
wrote:
> Elaine: what is the conversion rate for 200ppm active bacteria in 
terms
> of counts? How many bacteria are account to 1 ug of bacteria in dry
> weight?
>  
>  
> 
> 
> 
> Regards 
> TaChung Huang (¶À¤j©¾) 
> 
> -----Original Message-----
> From: soilfoodweb@a... [mailto:soilfoodweb@a...] 
> Sent: Tuesday, September 02, 2003 6:53 PM
> To: compost_tea@yahoogroups.com
> Subject: Re: [compost_tea] Re: Filtering ACT
> 
> 
> The bacteria are counted, length and width measured, and biovolume
> calculated.   Bacteria in general have about the same bulk density, 
and
> so convert to biomass.
> 
> Not weighed.  
> 
> Dry weight basis, figure bacteria are about 80% water.  
> 
> Elaine
> 
> 
> 
> <><><><><><<>Hey Dave, So using the above calculation(example) the 
> bacteria are weighed.  Is that right?  200ppm active bacteria in 25 
> gallons water weigh 0.67 oz. Would they be dried or  as is, 
basis?   
> That's interesting. Dennis
> 
> 
> 
> 
> 
> 
> 
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