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Semilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
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Manure problem
#5890686 - 07/23/06 02:08 PM (17 years, 6 months ago) |
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Hello,
I have some dry horse dung that I got from a nearby farm. I got it from a big pile where the farmer deposits the horses beds all the time. It smells like a good fertile soil while in dry state but when I add water, BOY it starts to stink just like if it was fresh. I´m trying to grow some Coprinus comatus on it but mycellium doesn´t seem to like it too much, it colonizes a portion of the substrate but the rest remains uncolonized and in a matter of 2 weeks some kind of golden mold takes hold on the uncolonized part, no matter how often I shake it. Water content is OK cause I add water to the point that when I squeeze hard it barely drops any water. What´s the problem? Could it be rests of urea in the shit? Should I leach it and if so, how long? This problem never happened to me, all the dry shit I got other times still smells OK after adding water, even if a few days passes after adding the water.
Thanks.
-------------------- Sr_Setahongo
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shirley knott
not my real name

Registered: 11/11/02
Posts: 9,105
Loc: London
Last seen: 7 years, 28 days
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did you pasteurise it? you should
-------------------- buh
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Semilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
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Yes I always pasteurize or sterilize.
-------------------- Sr_Setahongo
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shirley knott
not my real name

Registered: 11/11/02
Posts: 9,105
Loc: London
Last seen: 7 years, 28 days
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-------------------- buh
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Tippinthru
contented

Registered: 04/07/05
Posts: 1,131
Loc: "The Garden"...
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Often, manure from a stable is urine saturated, before it gets hauled out. As urine turns to ammonia, it volatiles into the air. But, leaves a lot of urea behind. You might try rinsing it, then drying again, to remove excess urea.
Also, some horse stables often spray insecticide, fungicides all over the stable. To control flies, gnats & fungus. Your source, might do that. If so,
-------------------- Perfection is attained by slow degrees; it requires the hand of time... [
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Semilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
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OK, I´ll try to leach/rinse it then dry again. I will also ask the farmer about the insecticide and fungicide. Do you think all that stuff will run away once rinsed?
Thanks to you and Shirley (that link helped!)
-------------------- Sr_Setahongo
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Tippinthru
contented

Registered: 04/07/05
Posts: 1,131
Loc: "The Garden"...
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-------------------- Perfection is attained by slow degrees; it requires the hand of time... [
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FreeSporePrints

Registered: 03/06/05
Posts: 1,139
Loc: Rome, Italy
Last seen: 1 month, 27 days
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try also to add a little rate of manure in the agar broth, this should prepare the mycelium to attack better that substrate.
Where do that mycelium come from? Do you know how it was cultivated in the past(perhaps a different kind of manure, example chickens)
keep me updated, i'm interested in C.comatus!
Thank you!^_^
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Semilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
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The mycellium comes from multispore inoculations on agar. Spores are wild. I´m trying to fruit the resulting mycellium and clone some of the shrooms then test which one performs better. So, as you can see I´m still at the beginning and stucked in this manure problem.
Thanks
-------------------- Sr_Setahongo
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Tippinthru
contented

Registered: 04/07/05
Posts: 1,131
Loc: "The Garden"...
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Simply stated, I think.
The manure you are using, is not leached well enough.
Gather some WEATHER EXPOSED BONE DRY muffins.


Then use them.
If those don't do the trick, none will.
Well weathered h/poo has a slightly sweet smell, when hydrated. Sort of like a horse blanket/slightly sweet/garden soil smell.
If, when hydrated, it smells of urine, or putrid fecal matter.
It is not well weathered, or leached out enough.
I believe that is the problem.
-------------------- Perfection is attained by slow degrees; it requires the hand of time... [
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Semilanceata
No god, no boss

Registered: 05/26/03
Posts: 841
Loc: República Federal Íbera
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I took an amount of the dung and let it soak for several hours. After that, the manure stink just like always. Then I rinsed it well with tap water, squeezed it hard and now it is drying outside in full sun. Now it doesn´t stinks anymore and the smell is just as you describe, sweet and kind of pleasant, just like the manures I got other times. I need to test it though!.
Thanks.
-------------------- Sr_Setahongo
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Tippinthru
contented

Registered: 04/07/05
Posts: 1,131
Loc: "The Garden"...
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Good luck with your tests.
-------------------- Perfection is attained by slow degrees; it requires the hand of time... [
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