Dear Stovers and Biochar-ists,
I also am highly impressed by Su Ba's homestead farming and her use of
TLUDs in serious daily use.
I too await her response to his questions about the TLUD stoves.
I also encourage her to send more details about her "configuration" of
multiple TLUDs to accomplish her heat requirements. Maybe some
photos? That info plus what she wrote in these past few days would
make a nice "case study" that should be on the main websites, not just
in a momentary passing on the Listserv. Maybe Su can do that, or
someone can volunteer to assist to put that story together. Su is
doing the hard work. We just need some assistance to do the
documentation, such as energy savings by not using propane, and other
topics (such as have you used the moringa pods as TLUD fuel??).
Su, can you tell us where you are in Hawaii? (You might become a
destination stop for vacationing Stovers and Biochar-ites who visit
Hawaii, or become friends with those who live there.)
Paul
Paul S. Anderson, PhD aka "Dr TLUD"
Email: [email protected] Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
On 10/20/2012 7:23 PM, [email protected] wrote:
Su Ba and biochar list (and adding "stoves")
I am impressed. Thanks for the (very complete) report. Very
nice to hear there were no problems.
Could you describe a bit more technical details about your TLUDS?
First use when? Homemade? Presumably made of tin cans? Sizes?
Any insulation? Any preheating of any air? If controlling primary
air - how? How many uses before wearing/burning out? Etc.
Ron
------------------------------------------------------------------------
*From: *"Su Ba" <[email protected]>
*To: *[email protected]
*Sent: *Saturday, October 20, 2012 4:07:48 PM
*Subject: *Re: [biochar] Used Tractors ...biochar on homestead
Ron, I cannot give you the type of answer you are hoping for. I
produce food, not run experiments using various percentages of char,
different formulations, and using controls. In addition, I use a
number of soil amendments including char, mulch, compost, crushed
bone, crushed coral, lava dust, and generally any animal and green
waste that comes available. None of my field is amended by biochar
alone. I also make and use foliar sprays when plants show need.
Having said that, I saw visible improvement in the areas that I
started using biochar. The plants were visibly more lush and withstood
dry conditions better. My own reasons for adding biochar is that it
tends to even out the soil moisture retention capabilities of the
soil. The areas that became boggy now drain better. The areas that
moisture levels fluctuated wildly now tend to flatten out somewhat,
staying much more evenly moist. In my own situation, I found that
leaving the char chunky ( 1/4 to 1 inch) works just fine.
I had noticed that plants looked more lush when planted into ground
that had a fresh application of char. Thus it is now my routine to
till in a light application prior to each new planting.
The char I produce is made with a homemade TLUD stove adapted for
cooking. I created a series of them in a line so that I can move from
one to the next in order to cook for more than 40 minutes at a time
when needed.
I use tree waste as fuel. Twigs and branches that I put through the
shredder. I mostly burn ohia, eucalyptus, and coconut husks. But any
tree trimming are used when available.
When I started using char, I use to quench the coals in water. Just
recently I changed to using using urine, and when that is not
available, then fermented fish waste. I cannot say yet if that has
made a visible difference in the crops. But it hasn't appeared to be
hurting them.
Negatives? It takes time. I have to gather and shred the fuel. But a
benefit is that I do not have to
purchase much propane. Another negative is that my TLUD stoves burn
out, so I need to improve the design and materials. I do not grind the
char, so I don't have the dust problem that others talk about. I have
not noticed any negative effectives on the crops themselves.
I hope this information helps you.
...Su Ba
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