| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a mushroom by preparing a compost suitable for culturing the mushroom belonging to saprophytes from easily available raw materials and using the compost. SOLUTION: A chaff compost is prepared by adding one or plural nitrogen sources selected from nitrogen fertilizers (for example, calcium cyanamide, ammonium sulfate and urea) and nitrogen-containing organic wastes (for example, waste saw dust, rice bran and bran) to treated chaff obtained by crushing or swelling and softening chaff with a treating device, adjusting the water content of the mixture, and then accumulating the mixture. A culture medium for mushroom is prepared by adding potassium and phosphorus in the form of calcium perphosphate as the nutrients of the mushroom to the compost to adjust the pH and supply the potassium and phosphorus. The obtained culture medium is used as a culture medium for the spawn of Agaricus blazei or as a mushroom bed for mainly culturing the mushroom to form the fruit body of the mushroom.
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