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Amazon Shop for: Gypsum

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Horn dog with acorn dog.
Registered: 02/24/03
Posts: 21
Last seen: 7 years, 8 months
High yield substrate for shiitake and others.
    #2133405 - 11/24/03 10:05 PM (13 years, 2 months ago)

This interesting patent make me wonder why home shiitake growers haven?t been using this method. The substrate will be more expensive than sawdust, but the author claims yields of 300lbs from 100lbs of substrate in 5 months!

US Patent 5,123,203

Here's a preview:

An improved substrate for mushrooms that is essentially cellulose-free comprising a major portion of grain and minor portions of nutritional supplements. The grain is partially sterilized by boiling in order to kill bacteria, cooled in order to induce germination of the heat resistant spores, and steam sterilized before the germinated spores have matured sufficiently to create new spores. The substrate can be used to grow fungi, including mushrooms, especially shiitake.

Ingredient Range Optimum Amount
Whole Sorghum grain
150-300 lbs 200
Whole Oat grain
0-50 lbs 35
Russet Potatoes
5-20 lbs 10
Rolled Barley grain
0.5-15 lbs 5
Maple pea sprouts
0-15 lbs 5
Brewer's yeast powder
2-35 lbs 6
Hulled sunflower seed
0-10 lbs 2
Soybean meal 0-2.5 lbs 1.5
Corn gluten meal
0-2.5 lbs 1.5
Whole Garlic 0.5-4 lbs 1.5
Sunflower oil 0-20 tablespoons
Wheat germ oil
0-20 tablespoons
Molasses 0-20 tablespoons
Water 20-35 gallons
Milk 0-1 gallon .25

The preferred coating ingredients, the ranges and the optimum for every two batches of the above substrate are set forth below:

Limestone powder 25-75 lbs 50
Gypsum powder 100-200 lbs
Cottonseed meal 0-60 lbs 40

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Registered: 10/20/03
Posts: 1,297
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Re: High yield substrate for shiitake and others. [Re: feb]
    #2134273 - 11/25/03 07:07 AM (13 years, 2 months ago)

Sounds very complicated and labor intensive to make.

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Registered: 03/14/04
Posts: 8,120
Re: High yield substrate for shiitake and others. [Re: ragadinks]
    #2134523 - 11/25/03 11:24 AM (13 years, 2 months ago)


a big factor in choosing a substrate is the ease of a) getting it b) preparing it....

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Amazon Shop for: Gypsum

Mushrooms, Mycology and Psychedelics >> Gourmet and Medicinal Mushrooms

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