[permaculture] Cinder Block = Fly Ash?

Frances and David fdnokes at hotmail.com
Sun Mar 31 15:24:26 EDT 2013


we have been looking at the woven wood concept for raised beds...
preparation is likely rather time consuming
however, it could be done over time
and construed as a labor of love.
fran


-----Original Message----- 
From: Gasper Family Farm
Sent: Sunday, March 31, 2013 11:49 AM
To: permaculture
Subject: Re: [permaculture] Cinder Block = Fly Ash?

Fly-ash is a common additive to cement or concrete and so it would not
surprise me it makes its way into cinder blocks as well, though probably not
as the sole or even major constituent part.

But I second the idea to skip fancy bed edges. A good layer of mulch on the
edges stops any errosion. Though you may not be able to get that waist high
effect. But the Ausie permaculturists are fond of using large culvert rings
for their zone 0 kitchen gardens. The galvanizing makes me cringe but the
functional and aesthetic effect is very nice.

Pete

On 03/30/2013 08:31 PM, venaurafarm wrote:
> On 3/30/2013 7:52 PM, ChildrensPeaceGuild wrote:
>> A friend came across some cheap cinder block and wanted to make a raised 
>> bed, but had read they contain fly ash.
>> Does anyone have recommendations/experience regarding this?
> Don't use it. Simply double dig raised beds, use minimum or no till for
> cultivation of crops. Forget containing the bed with some peoduct, wood,
> plastic, metal, masonry. Bad idea in the first place. Do it naturally.
> Here is a little inspiration:
>
> http://www.avantgeared.com/garden-and-farm-handtool-sourcelist-biointensive-gardening-guide
> http://www.avantgeared.com
>
>
>
>
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