Scientific selection of bacteria bags
Bacterial bag specifications In actual production, according to different cultivation time, select the corresponding specifications of the bacterial bag. In the late summer and early autumn, choose a 20×40 cm or 22×45 cm fungus bag, in autumn, choose a 24×45 cm or 25×50 cm fungus bag, and in the late autumn and early winter, choose a 25×50 cm or 26×52 cm fungus bag. In winter, choose 25×50 cm or 28×55 cm fungus bags.
Bacteria bag quality Bacteria bags do not use plastic bags with high transparency, but high-density low-pressure polyethylene plastic bags with slightly darker colors.
The fungus bag is prepared to tie the end of the fungus bag when the farm is idle. The tether is about 20 cm long and 1.5 cm is left at the mouth of the bag. 3 to 4 rows of holes can be punched in the bacteria bag in advance, saving labor and time.
Selection and preparation of strains
Strain selection According to different cultivation time, strains with different characteristics are selected to prevent cultivation of low-temperature strains in high-temperature seasons and cultivation of high-temperature strains in low-temperature seasons. It is necessary to select several varieties, feed them in batches, and supply different types of oyster mushrooms according to the season. Rotation cultivation of strains of the same strain is required.
Strains are prepared with the best self-made strains conditionally to reduce costs. The original seeds can be prepared with wheat kernels, corn kernels, and sorghum kernels, and the cultivated seeds are prepared with pure cotton seed husks as much as possible, or some corn cobs can be appropriately mixed.
Build a mushroom house or mushroom shed
The old house can be slightly modified, the roof is transformed into a film roof, the wall is painted with lime, and insecticides such as phoxim, dichlorvos, etc. are sprayed, and then smoked with sulfur; after the floor in the room is leveled, lay a layer 10-15 cm thick new soil, when germinating, lay another layer of plastic film. Mushroom sheds can also be built in the open space behind the front houses of the village or by the ponds according to the amount of feed. If conditions permit, it is best to build a standardized mushroom house or mushroom shed, batch feeding, and large-scale production.
Culture material formula and processing
formula
1. 100% cotton seed shell, 0.8% nitrate, phosphorus and potassium fertilizer, 802 or Nongfeng Hercules 10 ml.
2. Cottonseed hull 50%, corn cob 48%, nitrate phosphate and potassium fertilizer 1%, potassium dihydrogen phosphate 0.2%, and edible fungus nutrients 0.8%.
3. Corncob 100%, compound fertilizer 2%, edible fungus nutrient 0.5%, table salt 1.5%.
The above formulas are added 0.15% ~ 0.2% carbendazim and 2% ~ 3% lime powder.
Mixing
1. Artificial mixing: the water consumption of the cement floor is reduced to 130%; the brick surface is watered in advance to reduce the loss of nutrient water. When mixing materials manually, the mixing should be quick in the first few times to ensure even mixing.
2. Mechanical mixing: Mechanical mixing is mostly used for large-scale cultivation, and it is necessary to grasp the moisture of the material.
The time of adding lime powder and spraying insecticides should be staggered. The adding of lime powder and spraying fungicides should be staggered by 1 to 2 days, and the cultivation of raw meal should be staggered by 2 to 4 hours. Regardless of whether it is admixture or turning, after adjusting the pile, it should be sealed with insecticides.
Check the raw material cultivation in the low-temperature season before bagging, the material temperature should not be too low, when the temperature rises to 20 ℃, then bag. The prepared material should not have odor. If there is odor, spray 2% alum water or 5% superphosphate clear liquid. The pH value of the material should be kept at 8-9. After the material is stable, pack the bags together.
Bacteria management
The quality of the fungus bag determines the output of Pleurotus ostreatus. After bagging, the mushroom room or mushroom shed must always maintain a suitable temperature. Mushroom farmers should make a check card clearly stating the appropriate temperature required for the growth of the mycelium. Check it every 2 to 3 hours, and record the detailed temperature, humidity and ventilation. 7 days after bagging, the material temperature can be basically stable. A few more thermometers should be placed in the stack of bacteria bags up and down, not only depends on the temperature in the room or shed, but also depends on the temperature between the stacks of bacteria bags. Try to get germs at moderate temperature and keep the temperature at 18-22℃. When the temperature is high, the stack of bacteria bags should be inverted to reduce the number of layers. When the temperature is low, the film should be covered to increase the temperature.
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