[Gasification] recydling ash vs. removing fuel

[Pels, J.R. (Jan)]

Thanks you Roger for these links.
The discussion will probably never end, but it is definitely better to
vent opinions when they have some roots in verifiable literature.

Jan

========================================
Dr. Jan R. Pels
ECN - Biomass, Coals and Environmental Research
P.O. Box 1, 1755 ZG Petten, The Netherlands
telephone: +31-224-564884; fax: +31-224-568487
mobile: +31-6-10923218
e-mail: pels at ecn.nl
========================================
 
 

> -----Original Message-----
> From: gasification-bounces at listserv.repp.org 
> [mailto:gasification-bounces at listserv.repp.org] On Behalf Of 
> Roger Samson
> Sent: Thursday, November 01, 2007 7:37 PM
> To: 'Discussion of biomass pyrolysis and gasification'
> Subject: Re: [Gasification] recydling ash vs. removing fuel
> 
> Yes lots of rubbish in this discussion that is compostable...
>  
> 
> Here is a basic primer on SOM that is good read for anybody 
> that wants to be informed about the issue "Soil Organic 
> Matter in Sustainable Agriculture" Fred Magdoff
> http://www.amazon.ca/Soil-Organic-Matter-Sustainable-Agricultu
> re/dp/08493129
> 49
> 
> 
> One of the best published scientists on SOM and nutrient 
> turnover is John Doran at the University of Nebraska, google 
> his articles
> 
> We have been working on ecological sugar cane production 
> systems with scientists in developing countries and have done 
> some extensive literature reviews on the subject. If you burn 
> cane trash you promote weed growth and destroy soils slowly. 
> If you leave the trash it prevents dessication of the soil 
> and promotes root proliferation in the surface horizon of the 
> soil where soil P levels are highest and yes P uptake 
> increases and SOM increases. This is a must on marginal 
> uplands soils where cane is grown. 
> 
> See a discussion on pg 117 in this report on our web site 
> http://www.reap-canada.com/online_library/Reports%20and%20News
> letters/Intern
> ational%20Development/7%20Strategies%20for.pdf
> 
> If you can't get the link just go to our on-line library and 
> scroll down to the report entitled" strategies for enhancing 
> biomass energy utilization in the Philippines.  
> 
> Our analysis is that for sustainable sugarcane production the 
> best thing you can do with the trash is use it as an energy 
> source to help grow the crop and increae yields, however when 
> you are cycling the rotation out of cane production and 
> changing crops you can recover it as fuel for boilers. 
>  
> regards
> 
> Roger Samson
> 
> Executive Director
> 
> REAP-Canada
> 
> Box 125 Centennial Centre CCB13
> 
> Ste. Anne de Bellevue, QC H9X 3V9
> 
> T: (514) 398-7743
> 
> T: (514) 398-7972
> 
> E: rsamson at reap-canada.com
> 
> W: www.reap-canada.com 
> 
> 
> 
> 
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