Cultivation of raw materials and mushroom house treatment Pleurotus ostreatus mushroom house is generally used for vegetable protection facilities, such as greenhouses, greenhouses, etc., before the mushroom can be best film uncovered for two weeks, before the material into the shed and then fumigation 1 Second, the general house needs to be painted before it can be used as a Pleurotus eryngii mushrooming place, and it must be treated with chemicals once before feeding.
Cultivation and sterilization of cultivation materials
1. Preparation of cultivation materials: cottonseed husk 100 kg, corn flour 5 kg, bran 5 kg, lime 3 kg, plaster 2 kg.
2. Converting Fermentation: The material used for composting and fermentation is preferably about 300 kg, with a stack height of 1.2-1.4 meters and a width of 1.1-1.5 meters. The length is not limited. The heap is too small to heat up and the fermentation is impervious; the heap is too large to be in the middle of oxygen and it is not convenient to turn it around. The fermented material is mixed with 60% to 65% of water, and 2% of lime is added to make the pH value 8-8.5. After the pile was built, the hole was punched and vented. The hole spacing was 30 cm. The top of the stack hit 1 row and the side hit 2-3 rows. The fermentation time depends on the room temperature. When the temperature is high, the time can be shorter, and it is appropriate to use 7-8 days. When the temperature is low, the number of days can be appropriately increased and the plastic film can be covered. During the fermentation process, care should be taken to turn over and turn over every other day. The fermented material should be tan-colored and free from acid odor.
3. Bagging sterilization: The fermented material needs to re-measure the moisture, and the water content is adjusted to 55%-60%, and the pH is adjusted to 8-8.5. The plastic bag is made of a 1733 cm-size folded polyethylene bag with 0.75-1 kg of wet material. When hand-loading, hand-pressing tightly while mounting, the compactness can be grasped according to the power of the machine. The loaded material is sterilized under high pressure for 2-3 hours, or sterilized under normal pressure for 14-16 hours. Note that the sterilization should be thorough.
Inoculation culture
When the fungus-killing bacteria bag is cooled to 30°C, it is transferred to the inoculation room for inoculation, and the inoculum size is suitable for covering the surface of the bacteria bag. During the course of inoculation, pay attention to the disinfection of personnel and utensils, do not cause artificial bacterial contamination, and incubate the bacterial bags in the room after inoculation. In the first 3 days after inoculation, the bag was not to be sterilized. After 1 week, it was checked for any bacteria contamination, and the bacteria were cleaned out and allowed to be reused after air sterilization. During the cultivation process, care should be taken to avoid light. The air humidity should be below 65%, and the temperature should be kept at 25°C-28°C. After 45-60 days, the bag can be full, and then it can be transferred to the mushrooming stage.
Mushroom management
After the mycelium is full, let the mycelium grow for 1 week to make the hyphae go through. Then move the bag to a low temperature or reverse the operation to the mushroom shed. Grass curtain, and increase ventilation, low temperature stimulation, combined with water spray to promote mushroom bud formation. When the buds grow to the size of the thumb, open the bag to further increase the moisture. At this point, the air humidity should be maintained at 85%-90%, and the temperature should be maintained at 8°C-15°C. When the Pleurotus eryngii grows to the size of a table tennis ball, it is put out of the bag mouth and the ventilation volume is increased to ensure that the mushroom shape is normal. When there is a lack of ventilation, malformation mushrooms or tall mushrooms are prone to appear. At the same time, care should be taken not to blow the wind directly on the Pleurotus citrinopileatus to prevent the mushroom from cracking due to excessive water loss.
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