In the growth and development stage of edible fruit body, especially after harvesting the first tidal mushroom, it is a very effective measure to increase the yield of edible fungi and improve the quality. However, if it is used improperly, it will be counterproductive. The following key technologies should be mastered when supplementing nutrition. 1. Selection of scientific methods of supplemental application of edible mushroom nutrition methods such as spraying, perfusion and soaking. The most common method is to formulate a certain concentration of nutrient solution, and spray water to spray on bacteria bed, fungus tube or bacteria block. When spraying the young buds, pay attention to spraying the nutrient solution around the area without buds or mushroom buds, and then rinse the fruit bodies with fresh water. It is best to spray the nutrient solution when the strain is at low tide. The bacteria, stumps, and sections of wood can also be soaked with nutrients so that they can be removed after the nutrient solution is sufficiently absorbed in the prepared nutrient solution. The specific soaking time must be determined by the type of infusion and weather conditions. This method is generally performed after each tidal mushroom is harvested. The inoculation method can also be used to supplement nutrition on the bed of bacteria, that is, the bed cover soil is opened, the funnel is inserted into the material, and the nutrient solution is poured into the soil. The distance from the infusion hole is 10 cm. The amount of fluid per hole depends on the thickness of the material. Generally, 5 ml to 10 ml can be used. 2. Alternate supplementation and application of different nutrients for long-term use of only a certain kind of nutrition can not meet the various nutrients required for the growth and development of edible fungi. Therefore, when supplementing nutrition, various nutrients should be applied alternately or mixedly. The nutrient solution that adds nutrients is generally applied first, and then an efficient nutrient solution or a high-efficiency regulator is added. 3. Accurately grasp the amount of nutrition once applied, if too much, will cause the culture material to be too wet, the permeability will be worse, and even inhibit the growth of mycelium, which will play a destructive role in the growth of mycelium; It is necessary to accurately determine the application concentration based on the dryness of the culture medium and the types of edible fungi. If the humidity is high, the concentration of the supplemental nutrition solution can be increased to reduce the amount of water added. In addition, after the application of nutrient solution to increase ventilation, to lose a small amount of water, to prevent the material surface or air humidity is too large and damage the growth of mycelium or fruiting bodies. 4. Strictly control the application of organic fertilizers. First, the applied Organic Fertilizer should be fully cooked, must not contain bacteria and eggs, and strictly prevent the application of organic fertilizer or tanning; second, adhere to some of the fungi should not apply organic fertilizers No, it is necessary to use it, and it can only be boiled for a period of time. The dipping solution is diluted and applied. In addition, the application of soy milk juice, potato juice and other plant extracts should be ready for use, can not be placed for a long time, to prevent spoilage, and should strictly control the application concentration. 5. Pay attention to the environmental impact Generally, when the temperature is higher than 25°C, many bacteria cannot easily differentiate into fruit bodies, and at this time, the application of nutrition is stopped. Glucose solution, soymilk juice, human fecal urine, etc. should not be applied under the condition that the temperature is higher than 2O°C. If the bacteria bed, fungus tube and bacteria block have been infected with bacteria, bacteria must be removed before they can be supplemented with nutrients, otherwise it will increase the degree of contamination of the bacteria.
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