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[GreenYes] Re: Compost-to-Switchgrass-to-Fuel?


Ah, but the use of biodiesel removes the carbon from the soil, and, unlike manure and sewage sludge, it does not get directly returned to the soil. Hence, the concern of soil scientists.
 
I would hope that we would adopt a comprehensive view of the environment and look at a wide range of consequences.
 
John
-----Original Message-----
From: Kendall Christiansen [mailto:kendall@no.address]
Sent: Monday, February 04, 2008 3:33 PM
To: Reindl, John; GreenYes@no.address
Subject: RE: [GreenYes] Compost-to-Switchgrass-to-Fuel?

I think that’s the point of using biosolids as the soil-enhancing agent….the project was overseen by a member of the National Academy of Science’s committee on soil science from the University of Washington….among the findings:  lower cost of production, and biosolids-amended soils had higher yields than unamended soils…achieved goal of creating recycling loop of biosolids-to-biodiesel

 

Kendall Christiansen

 


From: Reindl, John [mailto:Reindl@no.address]
Sent: Monday, February 04, 2008 2:11 PM
To: Kendall Christiansen; GreenYes@no.address
Subject: RE: [GreenYes] Compost-to-Switchgrass-to-Fuel?

 

I would hope that the biofuels industry would pay more attention to what the soil scientists are reporting -- that biofuels change the carbon that should be recycled back to the land and instead put it into fuel tanks.

 

At one of the conferences on biofuels that I attended, several soil scientists gave presentations on how the carbon level in soils is declining and that biofuels could make this situation much worse.

 

John Reindl, Recycling Manager

Dane County, WI




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