permaculture

[Russ Grayson + Fiona Campbell <pacedge@magna.com.au>]

Hello Marsha...
While recently updating material for a permaculture publication, I realised 
that the
stuff on the ethylene cycle in use in permaculture education in Australia (as 
far as I
know) was somewhat old - dating from the 1970s.

So, seeking to verify what was being taught in permaculture courses 
(something I have
found is necessary to do before promoting it again as 'fact') in regard to the
ethylene cycle I contacted the CSIRO, Australia's national scientific research
organisation, requesting information on the current state of research.

They responded that there had been no research since the 1970s, leaving the 
state of
knowledge of that period as all that was available regarding the ethylene 
cycle.

Perhaps permaculture teachers or soil scientists in other countries have more 
recent
research. I have not done on internet search.

When we have taught it in our courses in past years, I have found that 
students - even
well educated ones -  have difficulty understanding the cycle.

Perhaps if someone has up to date scientific research available (rather than
unverifiable specuation) they hay care to share it with subscribers to this 
list.

Good luck Marsha...

...Russ Grayson

---------------------
PACIFIC EDGE
Permaculture & Media
Russ Grayson and Fiona Campbell

PO Box 446, Kogarah NSW 2217 AUSTRALIA
Phone/ fax   02-9588 6931   (IDD-61+2+9588 6931)
Email: pacedge@magna.com.au
WWW: http://www.magna.com.au/~pacedge/

PERMACULTURE/ COMMUNITY BASED ESD: permaculture education + Australian City 
Farms and
Community Gardens Network (NSW contact) + organic gardening training + 
overseas
development aid project services.
MEDIA: publication design + desktop publishing services  + website design +
journalism/ photojournalism.


Marsha Hanzi wrote:

> (emphasis is on 'living' as this keeps the
> > oxygen-ethylene cycles going).
>
> In our PC course in Hawaii in 1992  Lea Harrison gave us a handout about the
> ethylene cycle, which I think is one of the most devastating scientific
> proofs of the  detrimental effects of plowing and  mechanized agriculture in
> general ( by accelerating the metabolic rates.)
>
> Unfortunately, I no longer find the handout she gave us, and no longer
> remember the cycle by heart ( although I did so for some time, am  no longer
> so sure about it...)
>
> Does someone have it on their computer ?  I would most appreciate this
> help..
>
> Marsha
> Instituto e Permacultura da Bahia
> Brazil
> http://www.geocities.com/oliarte
>
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