Haseltine, Lake & Waters
Method of artificially growing edible fungi
 A method of artificially growing edible fungi by ordinarily sterilizing a nutrient medium for edible fungus cultivation, setting the edible fungus sporiferous source in the sterilized nutrient medium, culturing the inoculated original hypha until it becomes prevalent over the nutrient medium, subjecting the prevalent hypha to a high temperature treatment and a subsequent low temperature treatment and then a cool water treatment. 
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inventional inventional inventional inventional
Masaru Chiyokichi
Takeuchi Iizuka