Shelter mushroom fermentation technology

1, before the outside of the fermentation before the construction of the heap 2 days, will be cut into 2 pieces of straw, pre-wet, edge watering, straw stacking should not be too thick, the middle and lower to be soaked. 3 to 4 days before the construction of the heap, the materials in the formula (excluding lime and urea) were topped, the humidity was controlled at about 55%, and the reactor was turned over in the middle. One day before the reactor was built, 0.5% dichlorvos solution was sprayed on the mixture, and the membrane was coated for 12 to 24 hours. According to the conventional method, the stacking interval is 5, 4, and 3 days. During the stacking, urea and lime are added. The moisture content is controlled at 65% to 70% and the ph value is 7.5-8. 2, after the indoor fermentation to shake the material loose, with a dump truck to the bed frame (the bottom layer does not put), with a coal stove or diesel drum steam furnace heating, when the material temperature rose to 60 ~ 62 °C, maintain 6 ~ 8 hours; appropriate ventilation, until the material temperature dropped to 48 ~ 52 °C maintain 4 to 5 days. After the end of the fermentation, the material is dark brown, very soft, straw is flexible, hand pinching is not sticky, no ammonia, there is a strong flavor, and a large number of actinomycetes produced, the material moisture content of 65%, ph value of 7.2 ~ 7.5.

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