permaculture

["John D'hondt" <dhondt@eircom.net>]

That seems all OK to me. We had loads of oak leaf compost in Belgium and 
that worked great. And with a bit of seaweed...
The problem with seaweed might be the salt content if you don't get enough 
rain which we do.
John

I think every time we sheet mulch with a variety of locally available 
materials, it is a grand experiment right? I am trying to create good soils 
with locally sourced waste stream and plant life as much as possible. It 
isn't always easy to get it right! I am interested in dynamic accumulators 
too, and was fascinated by the earlier discussion about sea minerals which I 
am surrounded by on the Pinellas peninsula. I have six beds and using six 
different sheet mulch approaches to see what happens. If I had more time, I 
would include more variety - the base is(for me) easily acquired oak mulch 
for all of the beds.

Koreen Brennan

www.growpermaculture.com
www.facebook.com/growpermaculturenow
www.meetup.com/sustainable-urban-agriculture-coalition


________________________________
From: venaurafarm <venaurafarm@bellsouth.net>
To: permaculture <permaculture@lists.ibiblio.org>
Sent: Thursday, October 18, 2012 6:57 PM
Subject: Re: [permaculture] Fast growing nitro fixers, semi tropics

On 10/18/2012 4:41 PM, John D'hondt wrote:
> I find it a bit unusual that you talk only about nitrogen fixing plants
> Cory. I have alweays thought about nitrogen fixing bacteria for I have 
> seen
> bacteria on their own without plants fix nitrogen. As long as they had a
> source of decomposing carbon and some supply of phosphate that is.
> Also on our grazing fields we see a competition between clovers (mostly
> white clover because this stays quite low to the ground where other 
> clovers
> grow higher and are eaten by ruminants a lot faster) and grasses. Grasses
> need nitrogen to do well and compete out the clover eventually. When we 
> put
> some rock phosphate out the clovers boom again.
>
> All that said, I know well that plant species provide nitrogen fixing
> bacteria with root exudates to make them thrive and do their business. But
> again, phosphate in the soil is essential for the nitrogen fixing process.
> (as are oxygenation of the soil and many trace elements)

To mine phosphate and trace minerals and make them available to plants,
amongst other things, you need fungi in the soil and a source of raw
minerals for them to feed on, i.e. quarry siltation pond fines or finely
pulverized rock dusts, preferably a variety of them.

A cool scheme to improve soil fertility, seasonally:
(John D'hondt, could you evaluate this plan?)
At a time when this is appropriate apply rock dusts and manures and/or
compost to raised beds; tilth these amendments into the soil lightly so
as not to disturb vital soil dwelling microorganisms, especially fungi,
earthworms, various insects, invertibrates, etc. Use a spade fork or
even a digging fork. Follow this procedure with a planting of red
clover. The clover will exude certain substances that the fungi will use
that will stimulate them to extract or mine, beyond normal levels, trace
minerals and phosphate from the rock dusts. The manure you use does not
have to be fully decomposed. Next season apply, as needed, extra
amendments to boost soil fertility and balance nutrients and minerals.
These amendments can include any or all of the following:
azomite, aragonite, high calcium limestone, dolomitic limestone,
greensand, more quarry rock dusts, rock phosphate and colloidal
phosphate. Somewhere in my online archives I have a few documents on
research that demonstrated the beneficial connection between red clover,
rock dusts (or native soil) and soil fungi. I guess the method I have
suggested should be fine tuned to ensure the stability of soil bacteria
and soil fungi populations and that the bacteria do not consume too many
of the fungi, needed to interact with the clover. I thought that you
could accomplish two things at once, add nitrogen
in the form of manure and/or compost, add minerals in the form of rock
dusts and the clover cover crop would extract valuable phosphate from
the rock particles. The rock dusts will feed the bacteria and fungi that
will break the manure and compost down and the red clover will assist
the fungi in further extraction of minerals and some phosphate from the
rock dusts while the manure and compost will provide acids that will
dissolve the rock dusts making it easier for bacteria to use and fungi
to use with enhanced ability to extract minerals from the rock dusts
with additional stimulus from the clover exudates enabling enhanced
fungal mineral mining. This would be a grand experiment.
Other amendments could also be added such as fish meal, fish emulsion,
crab meal, alfalfa meal or compost, all sorts of herbs and even compost
teas of one sort or another.

LL

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