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Compost advice needed.


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#21 Lazlo

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Posted 14 August 2008 - 11:12 PM

If your ingredients come out to the proper ratio, then i'd bet the problems are coming from the 2nd phase of the composting process. Pasteurization of the product needs to be done using either of the 2 ways i've mentioned before. Hot water bathing of the compost doesn't work correctly like steaming or being done in the oven bags. I had poor results submerging my compost in a hot water bath. Compost isn't the same as straw, manure, exc.

#22 sandman

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Posted 15 August 2008 - 12:35 AM

Wh make compost instead of just using shredded dry aged horse manure?

#23 Lazlo

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Posted 15 August 2008 - 08:46 AM

Because it's 2 different substrates.

#24 sandman

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Posted 15 August 2008 - 10:04 AM

Because it's 2 different substrates.


no shit?

#25 Lazlo

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Posted 15 August 2008 - 11:07 AM

I'm not sure what else you want to hear. I suppose you are referring to the 2 being nearly alike, which isn't the case. Also, it's much easier to acquire a lot of substrate weight in composting than it is in gathering weathered horse manure. Weathered horse manure is great for smaller scaled cultivators like ourselves. You can grow a lot of edibles on the manure as well, but a well done compost is far superior to a weathered horse manure any day of the week.

#26 Myc

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Posted 15 August 2008 - 11:10 AM

Thanks Lazlo.
I haven't gotten around to the oven pasteurization yet.
Been working on some woodloving species pretty intensely this summer.
I'm not giving up yet so thanks for your thoughts and advice!!

#27 bear

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Posted 15 August 2008 - 11:11 AM

the idea is that proper mushroom compost is exhausted of foodsources for competing organisms giving the mycelium an advantage

edit: lazlo, thanks for reminding me that large scale commercial growers compost because its easier to get however much of whatever feedstock and then in some cases use that compost to grow several different species in sucession

#28 Lazlo

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Posted 15 August 2008 - 11:55 AM

Definitely don't give up, but at the same time do what works best for you and experiment with composting. Nothing more annoying than a failure after failure. Been there myself. The new compost I have made is equal parts horse stall litter and fresh horse manure in volume. This stuff is bad ass for sure! The Shaggy Mane isolate I put on it colonized it in 6 days and looks super healthy.

#29 Fresh Brewed

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Posted 15 August 2008 - 05:17 PM

The Shaggy Mane isolate I put on it colonized it in 6 days and looks super healthy.


Where did you get your shaggy mane from? Did you collect it yourself? I ate one I found this spring and it tasted great.

#30 Myc

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Posted 15 August 2008 - 08:44 PM

Finally got a remote oven thermometer.
Pasteurizing some compost now so we'll see how things turn out soon.
How is the Mondo Portabella project going?

Will post results soon!

#31 Lazlo

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Posted 15 August 2008 - 08:46 PM

Where did you get your shaggy mane from? Did you collect it yourself? I ate one I found this spring and it tasted great.



It's an isolate from San Diego State University's library.

#32 Lazlo

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Posted 16 August 2008 - 07:50 AM

Finally got a remote oven thermometer.
Pasteurizing some compost now so we'll see how things turn out soon.
How is the Mondo Portabella project going?

Will post results soon!



It has been refrigerated for some time and isn't really looking fantastic. I had it on hold while some oyster's finished up. I'm going to do a new one with my new compost. This stuff is really nice.

#33 Myc

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Posted 16 August 2008 - 12:42 PM

:cool:

Since you shared your grass-seed tek
I've been unstoppable.
Got one project colonized but temps aren't low enough.
Still got two jars of spawn in the 'fridge for future use.

You are the MAN!
Results of the oven pasteurization are looking promising!
No ammonia smell
Good substrate texture
pH is a little high @ 7.9 but I think I can get away with that.

The only problem I had was achieving and maintaining a constant core temp.
My oven on the "warm" setting is still around 180*F
Core temps never exceeded 165*F but I had to carefully monitor progress by periodically opening the door or shutting the oven off and allowing it to "coast" off of built up heat.

Any further suggestions?

#34 Lazlo

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Posted 16 August 2008 - 12:58 PM

"Any further suggestions?"

Negatory. As long as 165 was maintained for an hour, you should be good to go.

How did you go about humidifying the compost pre-pasteurization?

#35 Myc

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Posted 16 August 2008 - 02:57 PM

I just wet it with the garden hose and mixed thoroughly in a wheelbarrow :lol:

Seemed to work just fine.

#36 Lazlo

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Posted 16 August 2008 - 03:40 PM

I meant how wet? I do mine at 2 drip capacity. When they come out of the oven and cool down, the moisture content is perfect using the DIY spawn bag way.

#37 Myc

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Posted 16 August 2008 - 05:17 PM

Perhaps I should dry a sample and check the moisture content.
I've just added moisture until it "looked right".

Figured if I needed to add moisture @ spawning, I would just boil some or use my sterile water supply that I have for slurries and general sterile work.




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