[soilhack-announce] Humus doesn't exist?

[Adam Ormes Court]

Howdy Clem

Somehow I completely missed your previous message, apologies!

To remove any ambiguity, is the meeting this Monday (1st) or next (8th)?

Regards,

Adam


--
*In order to change an existing paradigm you do not struggle to try and
change the problematic model /* *You create a new model and make the old
one obsolete /* *That, in essence, is the higher service to which we are
all being called. //* Buckminster Fuller

On 28 July 2016 at 09:28, Clem Sandison <clem.sandison at gmail.com> wrote:

> Hi Adam
>
> Not sure if you received my previous email about this.  Just wondering if
> you'd be interested in taking part in Farm Hack Scotland 1st & 2nd Oct at
> Tombreck Farm.  We now have some funding to cover travel and expenses for
> all workshop leaders.
>
> Info and tickets here:
> http://www.commongoodfood.org/whats-on/farm-hack-scotland
>
> We're keen to have some soil hacks on the go.  Would you or anyone else
> who is active in the Soil Hack network be interested in coming up that
> weekend?  It would be great to have a session on Actively Aerated Compost
> teas and/or biochar kilns, or we could have a chat about other ideas.
>
> We're making some decisions about the programme next Monday night so would
> be good to know if you are free.
>
> Cheers
>
> Clem
>
> *Clementine Sandison*
> *Artist, food activist and **member of Open Jar Collective*
>
> Tel: +44 (0)7971027963
> Email: clem.sandison at gmail.com
> Web: www.clementinesandison.co.uk
> Twitter: @clemsandison
>
> On 12 May 2016 at 14:43, Adam Ormes Court <ormus23 at gmail.com> wrote:
>
>> I usually wouldn't post this sort of thing on here but thought this was a
>> sufficiently monumental piece of information to merit doing so...
>>
>> From a post by Toby Hemenway on FedBook:
>>
>> Some amazing news on the soil science front. Humus doesn't exist. Several
>> recent articles are showing that humic and fulvic acids and many of the
>> other humic components of soil are artifacts of the alkaline treatment
>> that is used to measure humus content, and don't, in fact, exist in
>> untreated soil. When OM is measured using non-destructive methods such as
>> NMR spectroscopy, no humic compounds can be found. Organic matter does not
>> degrade into "stable" humic components, it simply decomposes into a
>> continuum of smaller and smaller carbon compounds. There is constant, slow
>> turnover of carbon in soils, not a semi-permanent trapping of carbon into
>> "humus." Humus, meaning a stable form of carbon visualized by alkaline
>> extraction, seems not to exist. It's an artifact of the lab method. This is
>> kind of blow-away news for those of us who teach soil science--and it's a
>> good lesson on how the methods we use determines what we see. Teachers,
>> start revising how you teach soils, and stop talking about humus.
>>
>> Most of the articles on this are behind journal paywalls, but some of the
>> abstracts are available. One article is Lehmann, J.; Kleber, M.
>> (2015-12-03), "The contentious nature of soil organic matter", Nature
>> 528:60-68. There is a short video based on that article linked below.
>>
>> https://www.youtube.com/watch?v=-n6emCNEmKg
>> --
>> *In order to change an existing paradigm you do not struggle to try and
>> change the problematic model /* *You create a new model and make the old
>> one obsolete /* *That, in essence, is the higher service to which we are
>> all being called. //* Buckminster Fuller
>>
>>
>>
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>>
>>
>
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