[Stoves] Drawing down the dung pile

[frank]

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:crispinpigott at gmail.com>
>     *To:* 'Discussion of biomass cooking stoves'
>     <mailto:stoves at lists.bioenergylists.org>
>     *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
>     <crispinpigott at gmail.com <mailto:crispinpigott at gmail.com>> wrote:
>
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-- 
Frank Shields
Soil Control Lab
42 Hangar way
Watsonville, CA  95076
(831) 724-5422 tel
(831) 724-3188 fax
frank at compostlab.com
www.compostlab.com