.... does a Compost Bin/Heap need to operate at to kill weed seeds? Ours is
at 120 degrees at the moment. Hot enough?

Mike

--

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Don't take life too seriously, you'll never get out alive.

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On Wed, 13 Jul 2011 16:12:18 +0100, Mike wrote:

.... does a Compost Bin/Heap need to operate at to kill weed seeds? Ours
is at 120 degrees at the moment. Hot enough?

120 degrees what?

Kelvin - frozen to death but things can survive freezing.
Fahrenheit - that is quite warm might kill most things.
Centigrade - pressurised compost bin or just extremely dry?

--
Cheers
Dave.

"Dave Liquorice" wrote in message
ll.co.uk...
On Wed, 13 Jul 2011 16:12:18 +0100, Mike wrote:

.... does a Compost Bin/Heap need to operate at to kill weed seeds? Ours
is at 120 degrees at the moment. Hot enough?

120 degrees what?

Kelvin - frozen to death but things can survive freezing.
Fahrenheit - that is quite warm might kill most things.
Centigrade - pressurised compost bin or just extremely dry?

--
Cheers
Dave.




Putting you 'serious thinking' head on, what would you say?

Mike

ps :-(( Do you have a 'serious thinking' head ?

--

....................................

Don't take life too seriously, you'll never get out alive.

....................................

130F / 55C is usually reckoned as the minimum useful temperature to kill most nasty stuff off. Need 10 hours at that temperature to cook most seeds dead. See Hot Composting, Accelerated Composting, Thermal Composting

But if you succeed in getting to that temperature, you'll probably need to turn it daily or it will get too hot.

On Jul 13, 4:12*pm, "'Mike'" wrote:
... does a Compost Bin/Heap need to operate at to kill weed seeds? Ours is
at 120 degrees at the moment. Hot enough?

Mike

--

...................................

Don't take life too seriously, you'll never get out alive.

...................................

Not.
The edges of the heap will be quite cool anyway.

On Wed, 13 Jul 2011 17:24:12 +0100, Mike wrote:

.... does a Compost Bin/Heap need to operate at to kill weed
seeds?
Ours is at 120 degrees at the moment. Hot enough?

120 degrees what?

Kelvin - frozen to death but things can survive freezing.
Fahrenheit - that is quite warm might kill most things.
Centigrade - pressurised compost bin or just extremely dry?

Putting you 'serious thinking' head on, what would you say?

Well not knowing what angle you where coming from I gave answers for
three of the common units of temperature. Though strictly speaking
kelvin is kelvin not degrees kelvin. Would you have prefered answers
for degrees Rankine or degrees Newton?

ps :-(( Do you have a 'serious thinking' head ?

Sense of humour failure? If you don't give complete information when
asking a question, how can we be expected give a proper answer?

--
Cheers
Dave.

"echinosum" wrote in message
...

"'Mike'[_4_ Wrote:
;930064"].... does a Compost Bin/Heap need to operate at to kill weed
seeds? Ours is
at 120 degrees at the moment. Hot enough?.
130F / 55C is usually reckoned as the minimum useful temperature to kill
most nasty stuff off. Need 10 hours at that temperature to cook most
seeds dead. See 'Hot Composting, Accelerated Composting, Thermal
Composting' (http://tinyurl.com/65r8f57)

But if you succeed in getting to that temperature, you'll probably need
to turn it daily or it will get too hot.

--
echinosum

Many thanks for that info. Not been a 'hot composter' in the past, always
relied on worms, it's just that we put a load of shredded stuff in the other
day and it got really hot! Don't know what it's doing to the worms though
;-)

Yes we do have the worms now. Had a chat with an urgler at the Theatre and
he gave me the clue. Too dry because ............ the hedge had grown to
overhang the compost bin and sheltered it from all the rain we had. :-((
Hedge now cut back and guess what, it's the stuff we shredded ;-))

Mike


--

....................................

Don't take life too seriously, you'll never get out alive.

....................................

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