[Gasification] Aquaculture was Pine char gasification

[Mark Ludlow]

And, the Piranhas may give the nominally bland Brazilian vegetables a little
bite!


-----Original Message-----
From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of Richard
Sent: Friday, December 27, 2013 9:52 AM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] Aquaculture was Pine char gasification


On Dec 27, 2013, at 3:35 AM, Kevin C <kchisholm at ca.inter.net> wrote:

> Tom
> 
> Quoting Tom Miles <tmiles at trmiles.com>:
> 
>> KC>>One possible name they may have had for the "black goop" from 
>> KC>>oxbow lakes and
>> aquaculture site,s that they may have spread on their croplands, may 
>> have been "Fish Manure."
>> 
>> A practice that we did see but the water was pumped into a pond from the
Amazon. The fish manure from the pond was spread on the land. All used to
replenish the TP land. Not claimed as a traditional practice. The farmer had
to deal with the occasional piranha pumped from the river.
> 
> # Merely "pumping water from the Amazon" is far different from collecting
the waste from fish raised in a "contained" pond, and spreading it on the
fields for the intended purpose of adding nutrients to the soil. It is
important to know the "fish poo density" in the water. Obviously, 1 pound of
fish poo per gallon would be expected to have a far more observable effect
on plant growth than would a "fish poo density" of 1 pound per 1,000
gallons.

Tom - Fish 'Poo' is not a biologically stable material, especially in the
tropics. I suspect within hours, days or weeks the nutrients carried in the
manure and urine will be converted to bacterial, plant and fish biomass. The
resulting muck is more likely to represent plant material (algae).  While in
Angatuba, Sao Paulo State I visited a aquaculture (Tilapia and other
indigenous species) facility owned by a goat dairy farmer. I've got nicely
photo documented. He had a series of ponds and a clever diversion system
from a stream. It's aquaculture use was as fish the secondary product for
dairy waste. 

Rich H
> 
> # I would not expect the Farmer to have had much of a problem in his
fields with Piranhas that went through an irrigation pump. They would be
well macerated, and would actually be a benefit to his crops. Macerated
Piranhas would provide nitrogen, calcium, and phosphorous to his crops.
> 
> Kevin
>> 
>> Tom
>> 
>> 
>> 
> 
> 
> 
> 
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