Dear Kevin,
Proteins are more likely to remain in the solid because they are
in-soluble hair like things. There will be no (low) nitrates if the
sample goes anaerobic. Hormones produced for plants are likely from
aerobic microbe conditions -I think. .
Regards
Frank
Kevin wrote:
Dear Crispin
Here is an articles on Manure Tea:
http://www.ask.com/questions-about/Manure-Tea
I understand that the major beneficial constituents of Manure Tea are:
* Protein, for direct feeding of soil micro-organisms.
* Nitrates
* Hormones beneficial to plant growth
* Trace elements.
* Potassium
It also contains sodium salts, which may aggravate a high sodium
condition in soils in arid locations.
I understand that it contains relatively low calcium and phosphorous,
in that they co-precipitate and would report to the washed dung.
Best wishes,
Kevin
----- Original Message -----
*From:* Crispin Pemberton-Pigott <mailto:[email protected]>
*To:* 'Discussion of biomass cooking stoves'
<mailto:[email protected]>
*Sent:* Tuesday, December 07, 2010 9:42 AM
*Subject:* Re: [Stoves] Drawing down the dung pile
Dear AD
I think we much ask Frank to comment on this.
Frank can you test calorific value? If not I will try to get the
power station in UB to test for HHV, ash, volatiles and report
this week.
Kevin – what washes out? It is probably not a matter of fuel
conservation as much as making a workable device. It would be nice
to use as little fuel as possible (fertilizer) but far more
important to use wasted fuel for a useful purpose.
Frank, what is the CN content of washed v.s. unwashed dung?
Thanks
Crispin
Dear Crispin,
dung cakes are regularly used as fuel even in India. In areas
where the rainfall is scanty, and there are no trees, dung is used
as the main cooking fuel. In the high Himalaya, above the tree
line, yak dung is the only fuel available to the locals. The ash
content of dung is normally very high. In the case of animals
eating mainly grass, the ash would consist mainly of silica. I
have heard of a of filter press, which can remove the water from
the dung along with the dissolved minerals. This would leave a
product with a higher calorific value. It can be briquetted and
sold as a standard fuel.
Yours
A.D.Karve
On Tue, Dec 7, 2010 at 12:47 AM, Crispin Pemberton-Pigott
<[email protected] <mailto:[email protected]>> wrote:
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Frank Shields
Soil Control Lab
42 Hangar way
Watsonville, CA 95076
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(831) 724-3188 fax
[email protected]
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