Measures to promote mycelium growth of Pleurotus ostreatus in spring

The external temperature is relatively low in spring, and the mycelium growth of Pleurotus ostreatus is slow, which affects the yield and benefit. in order to solve this problem, the following measures should be taken: 1. Increase the amount of lime to 5% when mixing. The pH value of the mixed material is between 8 and 9, which can inhibit the growth of miscellaneous bacteria and improve the growth rate of mycelium. 2. Direct bagging: after the raw meal is mixed, it is directly bagged without fermentation, so that the culture material in the bag produces more heat, thus speeding up the speed of bacteria generation. 3. Increase the amount of inoculation: appropriately increase the amount of seed used when bagging, and change the three-layer inoculation to four-layer inoculation. The middle fungus should also be enlarged appropriately, and the fungus should be close to the plastic bag, with a circle of 4-5 pieces. The seed blocks at both ends of the bag can be slightly smaller, 6-7 pieces at each end. After piercing the mouth, use a stick with a diameter of 10 to 12 mm to pierce 4 to 5 air holes at each end of the bag, each with a depth of half the length of the bag, so that the mycelium in the bag can grow with enough oxygen. By using this technology, the inoculation time of bacteria bag can be shortened from 30 to 35 days to 15 to 20 days, and the mycelium is stout and white, and the contamination rate can be controlled below 2%. 4. Pile up the bacteria: after moving the bag into the mushroom shed, put the bag on top of each other and put it 6-8 stories high, cover with grass to keep warm. The production practice shows that the higher the stack of the bacterial bag is, the closer the stack distance is, and the higher the interreactor temperature is. By using this code stacking method, the temperature of the bacterial bag can be raised to 23-28 ℃. The mycelium grows fastest at this temperature. 5. Raise the temperature of the greenhouse: the mushroom shed is covered with semi-no dripping film and grass mulch. As long as there is the sun during the day, all the grass on the roof can be pulled open, and the temperature in the shed can reach 10: 23 ℃ by relying on the sun.