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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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Determining factor - yield/ft^2?
    #546653 -

Is it more of a direct relationship with the substrate depth or what? I have seen flushes grown which are very full (even pinsets), but the fruits are all fairly small. I am wondering if there would be a way for these flushes to be as even but with huge fruits also. Could this be achieved by using a deeper substrate layer?


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Study the past...
See the future...

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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #546660 -

You definitely want as high a water to nutrient base ratio as possible. When you've found the sweet spot, you'll be able to calculate yields very accurately. How you will achieve this according to your methods I can't say. You could try more shallow substrate depths to create is much surface area as possible from the amount of substrate used. You can also try deeper casings when using more substrate per ft?.


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Re: Determining factor - yield/ft^2? [Re: Nighted]
    #546738 -

have you determined the biological efficiency ?how much does straw weigh per cubic foot dry?


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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #546829 -

I?m quite sure that if you make your substrate layer 5 or more inches thick the resulting shrooms will be bigger.


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Grow Mushrooms from Spores - PF-Tek for Simple Minds

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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #547093 -

A perfectly even pinset on two tubs, both producing the same number of fruits, one with one inch of substrate and the other with 8 inches of substrate, most of the time the 8 inch deep tub will produce larger shrooms. There is a point of diminishing returns, at least for the first flushes (deeper subs may supply more nutrients for more fruits in later flushes, everything else being optimal). A two foot deep substrate layer is not going to produce 3 foot tall fruits.

My experience tells me that the key to big fruits is to clone big fruits, the key to high yields is getting even flushes of big fruits, and the key to higher yields is getting lots of even flushes.(or having a fast turn around between generations)
In other words, clone big fruits and grow them on deep layers of bulk substrates with relatively deep casing layers in setups with anal attention to maintaining optimal parameters, and never fuck anything up even slightly. But that isn't really news, is it?


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"From a certain point of view"
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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #547098 -

Forgot to mention,
fruit size and number and distribution tend to be strain specific attributes. Cloning a large fruit doesn't always yield a pure strain that produces nice even pinsets. Some strains are clustery, some evenly distributed. Some form many fruits, some just a cluster here or there.
Fining a strain that produces a perfectly even carpet of large shrooms is no small task, but one of the most important aspects of getting the optimal results you seem to be looking for.


--------------------
"From a certain point of view"
-Jedi Master Obi Wan Kenobi

PM me with any cultivation questions.

I just looked at my profile and realized I had a website at one point in time on geocities, it's not there anymore and I have no idea what I had on it. Anybody remember my website from several years aga? PM if so please.

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Re: Determining factor - yield/ft^2? [Re: mycofile]
    #547232 -

Thanks for the insight mycofile. It may not be new, but its good to hear anyway. How many flushes are reasonable to expect from a 6" straw layer lightly cased with peat/lime. Sub. is spawned with 3qts of "birdseed/rye" The casing was 1/2 inch thuck.
What is the trick to getting many flushes? How does one prevent the substrate from drying out and/or losing all of its nutrients?


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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #547628 -

use dung. way bigger fungi with dung. adios. peace.


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a blurry dot dances among the shadows
bends the light
and fizzles into my pink and glowing mind

-ian gato

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Re: Determining factor - yield/ft^2? [Re: mycofile]
    #547758 -

Thanks guys,

I have been trying to logically think out this question for awhile now, and had pretty much settled on the substrate layer thickness. After reading mycofile's reply, I am second guessing my original conclusion.

Now I guess there is another question that needs to be asked, then. Keep in mind, the full flushes of SMALL mushrooms. They are isolates. The same tray will produce very large fruits on a second flush, but there is a much smaller number of fruits. This tells me that the genetics of the isolate are capable of producing large fruits, so, there must be some relationship between the available nutrients and the potential size.

The myceliums genetics obviously can't change between flushes, so, I think fruit size relates between Volume of substrate/Surface area for any given substrate(due to nutritional content). I'm seeing some math to play around with later.

I give up for now...
***a crazy mind at work***


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Study the past...
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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #547903 -

We could probably assemble a chart with different types of substrates conditioned to the proper water content(as Nighted pointed out), and it would show the optimum depth for each substrate (x) over a specific surface area. 1 sq. ft is easy.

Does anybody know of an online source where I can find the nutritional breakdown of many types of grain. Like the appendix in TMC(I lost mine) shows.


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Study the past...
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Edited by Olgualion (02/11/02 01:24 PM)

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Re: Determining factor - yield/ft^2? [Re: Olgualion]
    #548288 -

how many flushed did the dude get from the straw? they looked like decent size shrooms.


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Mushrooms, Mycology and Psychedelics > Advanced Mycology
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