Practice has proved that perforation ventilation oxygenation is an effective method to solve the summer cultivation of mushroom.
The punching time is generally 3-5 days after sowing, and when the mycelium becomes white and germinates and begins to extend into the culture material, it is punched. If the hole is punched prematurely, the hyphae have not germinated yet, and it is easy to contaminate the bacteria. If the hole is punched too late, the hyphae will be deprived of oxygen during the development period, which will affect the growth and development of the hyphae.
Puncture site: should be strictly controlled on the strain layer or hyphae extension. Especially when the amount of strains is small and the hyphae extension is slow, it is even more difficult to perforate everywhere in the bacterial bags so as to avoid the contamination of bacteria and insects.
The size and quantity of punching: Use a pin to punch the hole (tie 3-4 pins on the chopsticks). The number of holes to be punched is 10-12 per bag around the fungus layer. After the development and elongation of the mycelium, the hole is played once every 5-7 days, and the whole fungus period is punched 3 times.
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