There are currently three different cultivation methods for oyster mushrooms. According to the medium treatment method, they are generally called fermented material cultivation, clinker cultivation and raw material cultivation. They each have advantages and disadvantages. Fermentation material cultivation: Fermentation material cultivation is to mix the raw materials according to a certain formula and then build a pile for fermentation. Through natural fermentation of microorganisms, the temperature is raised, so that a large number of high-temperature bacteria are generated in the raw materials. These flora initially decompose nutrients, and more importantly, their nutrients and mycocin can inhibit other miscellaneous bacteria that are harmful to edible fungi. By turning over the pile, each part of the raw materials will generate these high-temperature flora, thereby achieving the cultivation of oyster mushrooms. of open production. The production of oyster mushrooms with fermented materials has now become the main production method of oyster mushroom production. This method is also suitable for the cultivation of Coprinus comatus, Sphaeroides globus, and even Slippery mushrooms. The advantage of the fermented material production method is that the production cost is reduced, and it can be produced in an open manner in seasons other than summer high temperatures without worrying about bacterial infection. The disadvantage is that the fermentation process is highly technical, and if the fermentation is not good, it can easily lead to serious failure. In addition, we need to pay attention to the prevention and control of pests. Although the temperature of the pile can induce the development of insect eggs during the raw material fermentation stage, and the temperature of some parts of the pile can reach 60-75 degrees to kill the pests, pests gather in large numbers on the surface of the pile and the surrounding ground where the temperature is low. And it is difficult to completely kill it through fermentation temperature. After direct cultivation, the pests will still gradually breed and devour the hyphae. Insecticides added before bagging also have limited effect. It is recommended to spray insecticides on the surface of the pile and the surrounding ground before each turn of the pile to completely kill the pests. Clinker cultivation: In clinker cultivation, the raw materials are mixed according to the formula and bagged, and then sterilized by high-temperature steam to kill all the bacteria in the raw materials, and the edible fungus strains are grafted on the culture medium in a sterile environment. superior. The advantage of clinker is that the operation procedures are simple and step-by-step, and miscellaneous bacteria and pests are completely killed; especially in off-season cultivation, the use of clinker cultivation has obvious advantages over other modes. The disadvantage is that the cost is higher, because it requires continuous heating and sterilization with high-temperature steam for a long time. Generally, it takes a long time to reach above 100 degrees, which consumes more fuel. In addition, some people now use a method of combining fermentation materials and clinker in the production of oyster mushrooms, that is, fermentation first and then high-temperature sterilization and insecticide. The sterilization time can be greatly shortened, and the temperature above 100 degrees only needs to be maintained for 5 or 6 hours. Raw material production: Raw material is to be mixed with raw materials and directly bagged (out of bed) for inoculation. He relies on a relatively mild and ventilated environment and a large number of bacterial strains and drugs to control other miscellaneous bacteria to achieve the purpose of cultivating oyster mushrooms. Generally, it is safer to produce raw materials in late autumn when the temperature drops below 15 degrees. The production of raw meal is convenient and fast, but its production is subject to seasonal restrictions, and the climate environment is the main factor that determines its production. This production method is generally difficult to ensure the yield of finished products, especially in old cultivation sites. Today, as the price of raw materials continues to rise, there are very few people who generally use raw meal cultivation. Some people still use the raw meal method in areas with low raw material prices, such as Xinjiang. In addition, the processing method of edible fungus culture medium is semi-cooked material, which is widely used in the production of shiitake mushrooms and smooth mushrooms in Northeast China.