Anti-season cultivation technology of cold storage mushroom

In the summer, the use of idle cold storage for the cultivation of needle mushrooms off-season has a good location and high efficiency. Generally, each cold store can hold 30,000 bags, and each bag contains 1 kg of dry material. The investment is about 9 cents, and it can produce 0.6 kg of mushrooms. The net profit of each bag is about 1.5 yuan, and each bank can get a net profit of 45,000 yuan. This model has been welcomed by most farmers. Now, the cultivation techniques are described as follows: 1. The cultivation season is generally cultivated in autumn and winter, and it is finished in the spring of the second year. If there is a temperature control device in the cold storage, it can be produced in an anniversary-free manner. Second, the preparation of culture materials (a) formula (1) cottonseed husk 92%, bran 5%, gypsum 1%, calcium superphosphate 1%, urea 1% (2) 88% cottonseed husk, corn powder 9%, plaster 1%, 1% superphosphate, 0.5% sugar, 0.5% urea. (3) Corn cob 80%, bran 18%, gypsum 1%, potassium dihydrogen phosphate 0.5%, sugar 0.5%. (4) 73% of mixed wood chips, 25% of bran, 1% of gypsum, and 1% of sugar. (2) Mixing and seasoning should be carried out on a sunny or cloudy morning. The water content of the culture material should be 65-70%. 3. Bagging, Sterilization and Inoculation The well-mixed culture materials should be bagged on the same day to prevent deterioration, and then be sterilized (normal temperature sterilization) in a timely manner. The inoculation room should be disinfected in advance and the good culture bag should be cooled to 20-23. Inoculated at °C and then transferred to a culture room for culturing. Fourth, the bacteria period management 1, adjust the temperature. The germination period was controlled at 18-25°C. 2, control the humidity. Strictly control the air relative humidity of the culture room below 70%. 3, ventilation. To ensure indoor air circulation and meet the oxygen requirement of mycelium growth, ventilation should be performed 1-2 times a day for 20-30 minutes. 4, low light culture. The growth of mycelium does not require light. Doors and windows should be shaded with newspapers or curtains as much as possible. 5, turn over regularly. Turning the stack can adjust the position of the bag inside the heap, exchange gas, discharge the exhaust gas from the reactor, and timely detect the bacterial bag contaminated by the bacteria and handle it in time. Turn it every 7-10 days, swap the inside and outside of the pile and the position of the upper and lower bacteria bags, and re-code it. During the process of turning, the doors and windows will be opened to keep the indoor air fresh, and the bacteria bags infected with the bacteria should be treated in time. 6, bag bag folding mouth. After training for about half a month, the mycelium has grown to half of the culture material. At this time, oxygen cannot meet the needs of mycelial growth. The bag should be loosened and the bag mouth should be straightened, and then folded down approximately 2 centimeters. The restack can be discharged in a single layer on the mushroom room or mushroom house frame to continue the cultivation of bacteria. Fifth, fruiting management 1, cooling buds. When the hyphae overgrow the bag and reach a physiological maturity, the temperature should be reduced to about 15°C so that the hyphae can be transferred into reproductive growth as soon as possible under low temperature stimulation. When the material appears pale yellow droplets, indicating that the mushroom will soon be coming. 2, timely inhibition of bud. When the bud material surface buds, after cultivating for another 5-10 days, needle-like clusters of dense mushroom buds can be formed. At this time, the bag mouth should be opened and straightened, and the bag mouth should be turned outward 2-3 times to the nearest. The material surface, through the convective dry wind blowing horizontally, make the bud lose water and wilt lodging. On the third day after lodging, it is obvious that the dense mushroom buds grow again from the base of the mushroom stalk, and the length is the same. If there are no new mushroom buds after 3-4 days, the hand touches the wilted mushroom buds. Sense, you can lightly spray water once, and cover the plastic film moisturizing. 3, timely pull bags. After the bud is over, the bag mouth can be straightened when the newly formed mushroom bud is 4-5 cm high. The purpose is to increase the carbon dioxide concentration in the bag and the relative humidity of the air. 4, fruiting body growth period management. After the budding is over, the fruiting body gradually enters the period of rapid growth, and comprehensive management of temperature, humidity, oxygen and light should be strengthened. The temperature is controlled within the range of 12-18°C and the air relative humidity is 80-90%. In order to inhibit the growth of the cap and promote the elongation of the stipe, the concentration of carbon dioxide in the bag may be appropriately increased. Generally, the air is ventilated 1-2 times a day, about 20 times each time. -30 minutes, the light is mainly low-light culture.

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