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wellington womble
Joined: 08 Nov 2004 Posts: 15051 Location: East Midlands
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Mrs Fiddlesticks
Joined: 02 Nov 2004 Posts: 10460
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Jb
Joined: 08 Jun 2005 Posts: 7761 Location: 91� N
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tahir
Joined: 28 Oct 2004 Posts: 45389 Location: Essex
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cab
Joined: 01 Nov 2004 Posts: 32429
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Posted: Tue Apr 29, 08 12:58 pm Post subject: |
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Its... Okay. The boxes are small, which is apt for home use, but they're difficult to keep anaerobic while you fill them up meaning that the batch can go quite bad and smelly. Its easy enough, and it does work well though; buried bokashi waste degrades quite quickly, but I'd question whether it degrades THAT much faster than it otherwise would. The idea that its in a very anoxic, reduced state and warms up to degrade fast when exposed to oxygen is appealing but does not match my observations.
I think (althogh I'll know later in summer) that a simple ensilaging process for cooked food will be better and easier to control, and that the ensilaged, low pH waste will have most of the protein in it dribble out simply in the liquor, making for a handy high nitrogen plant feed, and that the ensilaged food waste should degrade marvellously when buried. It would be an easier approach, if it works. |
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Blue Peter
Joined: 21 Mar 2005 Posts: 2400 Location: Milton Keynes
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cab
Joined: 01 Nov 2004 Posts: 32429
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Jb
Joined: 08 Jun 2005 Posts: 7761 Location: 91� N
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cab
Joined: 01 Nov 2004 Posts: 32429
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Jb
Joined: 08 Jun 2005 Posts: 7761 Location: 91� N
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Jb
Joined: 08 Jun 2005 Posts: 7761 Location: 91� N
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wellington womble
Joined: 08 Nov 2004 Posts: 15051 Location: East Midlands
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Posted: Tue Apr 29, 08 3:05 pm Post subject: |
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cab wrote: |
Blue Peter wrote: |
What would an ensilaging process be - simple or otherwise?
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Crudely, in this instance it would mean selecting an appropriate lactic acid producing bacteria and giving it a carbon source it can use (probably glucose, although I'm sure it would do fine on ordinary sugar). It uses the sugar and other nutrients from the mix, outcompeting the other bacteria quite readily in this environment as long as you keep it close to anaerobic. The production of lactic acid eventually drops the pH to a point where the bacteria stop doing a great deal and not a lot else can grow either, and at a low pH most of the available protein in the waste will be lysed out. The remaining solid matter should be a bit spongier, and far more readily degraded by organisms in the soil such as assorted fungi and actinomycete bacteria, i.e. it'll rot down pretty quickly and not fester with nasty smelly bacteria.
MUST have been done before but I've been too lazy to do the literature search, instead choosing to experiment with lactobacillus powder and sugar/glucose. Thus far the little placcy box experiments I've done seem promising.
Edit: Many years ago I built something to do this with prawn heads in, and it worked very well. Don't ask... |
Saturday nights must rock round your way, Cab! My bokashi should be here any day now! |
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cab
Joined: 01 Nov 2004 Posts: 32429
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tahir
Joined: 28 Oct 2004 Posts: 45389 Location: Essex
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cab
Joined: 01 Nov 2004 Posts: 32429
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