compost "tea bags"

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compost "tea bags" Peter 09-11-2007
Posted by Peter on September 11, 2007, 4:23 am
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Hey all,

Does anyone know if weed seeds can be killed when they are immersed in water
for extended periods? If so, how long does it take? I've just started using
my grey water to draw nutrients from my grass clippings (and clipping
compost) to avoid adding the clippings directly to my vege patch. I'm trying
to reduce the amount of weeds that spring up whenever I turn my back.

Or should I just chuck the "spent" clippings into the greenwaste bin?

Peter



Posted by 0tterbot on September 11, 2007, 8:03 pm
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> Hey all,
>
> Does anyone know if weed seeds can be killed when they are immersed in
> water
> for extended periods? If so, how long does it take? I've just started
> using
> my grey water to draw nutrients from my grass clippings (and clipping
> compost) to avoid adding the clippings directly to my vege patch. I'm
> trying
> to reduce the amount of weeds that spring up whenever I turn my back.
>
> Or should I just chuck the "spent" clippings into the greenwaste bin?
>
> Peter

hm. i make fertiliser from weeds & haven't noticed it creates a weed
problem... then again, my weed problem is currently considerable anyway -
how would i notice if it was worse? :-)

most if not all weed seeds should drown in the 2-4 weeks you are submerging
the clippings. if they seem not to be drowning, just leave them longer so
they do!! alternatively, if you put the stuff into a finely-woven bag &
submerge the bag in the water, this would solve the issue of seeds going in
the liquid. you could then re-compost the leftover sludge from the bag.

really, mulching is the only thing that really "helps" with weeds. i just
don't think there's any other solution. seeds blow in from other places
anyway no matter what you do.
kylie



Posted by Peter on September 12, 2007, 5:39 am
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Hi Kylie, thanks for your suggestions.

> most if not all weed seeds should drown in the 2-4 weeks you are
submerging
> the clippings. if they seem not to be drowning, just leave them longer so
> they do!! alternatively, if you put the stuff into a finely-woven bag &
> submerge the bag in the water, this would solve the issue of seeds going
in
> the liquid. you could then re-compost the leftover sludge from the bag.
>
> really, mulching is the only thing that really "helps" with weeds. i just
> don't think there's any other solution. seeds blow in from other places
> anyway no matter what you do.
> kylie


I do mulch too. The problems arise when planting carrots and other vegies
from seed. The weeds spring up so fast that they often overwhelm the
germinated vegie seeds. Or they are so numerous that when I uproot them,
they disturb a large portion of the soil and the vegie roots therein. Things
seem to have calmed down this year though. It's the third or forth year I've
been working the same patch. It was previously lawn (unwanted green "things"
of all shapes and sizes). (c:

Peter



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