The organic yellow-backed black fungus ear piece is large, thick, soft in texture, deep in color, smooth in surface, soft, dry and black on the surface, and thick and long on the back, and is the best-selling product in domestic and foreign markets. The following is the introduction of high-quality, high-yielding cultivation techniques for organic yellow-backed black fungus:
First, with a good bag material: the optimal ratio of ingredients: 35.5% cottonseed hull shell, corncob 40%, sawdust 20%, corn glutinous 4%, compound fertilizer 0.5%.
Second, adjust the pH: when the acidity of the bag material, prone to bacteria such as green mold, yellow mold, etc.; when the alkaline bag material, affect the normal growth of mycelium. After adding 3% quicklime powder and 1% gypsum powder to the bag, the pH is appropriate.
Third, soak good material: first dry the corn cob with lime water for 72 hours, and stir 2-3 times, then add cottonseed husk, sawdust, compound fertilizer, corn bran, gypsum powder, and then turn 2 times, æ€After evenly boring for 24 hours, it can be bagged.
Fourth, high-temperature disinfection: When the bag is loaded into the boiler, there must be a gap so that SAIC is even. When the temperature in the boiler rises to 100°C, it should be maintained for more than 12 hours.
5. Strictly sterilize: The greenhouse where organic yellow-backed black fungus bags are placed should be fumigated with sulphur 2 days in advance, and then the whole of the bag rack, wall and floor should be sprayed with disinfectant once. When the temperature of the bag material removed from the boiler falls below 15°C, the inoculation must be carried out in a sterilization box. The inoculated bag must be fumigated with formaldehyde in advance. Vaccination personnel should wear sterile gloves.
6. Strict temperature control: After connecting the bag materials into the greenhouse, the indoor temperature should be adjusted to 25°C or more. Especially in the first week, the room temperature should be about 28°C. After the mycelium is revived in the bag, the room temperature is reduced to 22°C.
7. Inverted bag: When the mycelium of the organic yellow back black fungus bag is filled with the bag, it will be bagged once and the whole mycelium will grow evenly.
Eight, the next rack palletizing: organic yellow back black fungus bags covered with hyphae on the shelf, the bag must be removed or removed from the greenhouse. After the organic yellow back black fungus bag has been removed from the rack, it should be quailed, and 7-8 layers are appropriate. There should be gaps between the layers to facilitate ventilation. The bag is covered with a woven bag on one layer.
Nine, opening the bag: in late March, you can move the black fungus bag to open the shed, the shed and the upper part of the grass covered with grasshoppers, but not too thick too strict. Using a blade, open the organic yellow back black fungus bag into a triangular mouth, opening 16 bags per bag. The open-mouthed bags were piled in the shed and covered with plastic film or woven bags for 3-5 days. When the hyphae in the opening begin to whiten, spray water once a day until the ear base grows in the opening.
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