Mushroom selection. Should choose to shelter from the sun, near the water, drainage, poultry and livestock less harm to the vacant land or arable land, or the orchard's forest empty space dig mushroom bed. Mushroom beds are oriented from north to south, about 10 cm deep, 1 meter wide and of arbitrary length. In the center of the bed, leave a cement mortar about 10 centimeters wide or leave a small ditch. After digging a good mushroom bed, sterilize it with 1% lime water or lime powder.
Culture preparation. Pleurotus ostreatus is rich in culture materials, and cottonseed husks, wheat straw, rice straw, sawdust, bagasse, corn cob, and rapeseed hull can be cultivated, but the yield of cottonseed hull is the highest, and the economic benefits are good. The preparation of cottonseed hull culture materials is generally done with 96% of fresh, mold-free cottonseed husks, first exposed for 1-2 days, stacked on a cement field, added with gypsum 2%, superphosphate 2%, plus 0.02% more bacteria Spirit or thiophanate pesticides to prevent bacterial contamination during culture. On this basis, a small amount of urea can be added, but not too much, otherwise the mycelium grows well, and the development of the fruit body is poor, but the yield is not high. After mixing the ingredients, add water, and add water with the mixture to make the cottonseed hulls absorb enough water and nutrient solution. Generally, 60-75 kilograms of water is added per 50 kilograms of cottonseed hulls, and the culture material is tightly squeezed by hand. There is a degree of water drop between the fingers, which is about 68% of water content. Due to the fact that many miscellaneous bacteria prefer the acidic environment, the culture materials are often formulated as neutral or alkaline to inhibit the growth of various bacteria.
sowing. After the broth is mixed, it can be laid into a mushroom bed. Generally 10-15 kg per square meter, about 10-15 cm thick. Pave and smooth, and then connect with Pleurotus ostreatus, the amount of bacteria is 4-6 bottles per square meter, soaking a layer of material when sowing, the next layer of bacteria species, so the general 2-3 layer is appropriate. After sowing, the strains and culture materials are gently tapped with wooden boards to form a turtle shape. The material surface is covered with old newspapers and plastic film to keep warm and moisturize, and finally, a straw curtain can be covered on the film surface.
Bed management. After the bed is covered with plastic film and straw curtain, mushroom mycelium will grow quickly in the material. After 20-30 days, the hyphae will grow over the entire culture. When the hyphae have been sent to the bottom of the bed, the mycelium on the material surface has matured. When the mycelium begins to form a pile of small yellow grains of millet grains on the material surface, it indicates that the fruit body has begun to form. At this point to remove the newspaper, until there are more than 60% of the bed with small mushroom buds, you can set up plastic film, the method is to use bamboo curved support on both sides of the bowl, plastic film cover. Since Pleurotus ostreatus is an aerobic fungus, light needs to be scattered during the development stage of the fruit body, so the membrane should be uncovered and ventilated once or twice a day after the membrane is formed. When the mushroom cover grows to a size of 5 cents a coin, a small amount of water is sprayed on the gutter or water to keep the air humidity within the chamber within 80%-90%, and the mushroom bud will grow up quickly and quickly become A blossoming oyster mushroom.
During the growth phase of the fruiting body, if a blue green or yellowish black dot appears on the surface of the bed, it is a germ. Ventilation times and extended ventilation times should be increased immediately and then covered with quicklime or watered with 0.2% carbendazim solution.
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