In the growth and development stage of edible fungus fruit bodies, especially after harvesting the first mushroom, it is a very effective measure to improve the production of edible fungi and improve the quality of various edible nutrients. However, if it is not properly applied, it will be counterproductive. The following key technologies should be mastered when applying nutrition.
1. Choose the scientific method of supplementation. The methods of supplementing the edible fungi include spraying, infusion and soaking. The most common method is to prepare a certain concentration of nutrient solution, sprayed with water spray onto the bacteria bed, bacteria tube or bacteria. When spraying in the young bud period, pay attention to spraying the nutrient solution around the mushroom-free area or the small mushroom bud, and then rinse the fruiting body with water. Spraying the nutrient solution is best carried out when the strain is at a low tide. For the bacteria, the bacteria column and the segment wood, the soaking method can be used to supplement the nutrition, and the nutrient solution is taken out after being prepared in the prepared nutrient solution. The specific soaking time must be determined by the type of infusion and the weather conditions. This method is generally carried out after harvesting each mushroom. In the bed, the infusion method can also be used to supplement the nutrition, that is, the bed surface is covered with soil, the funnel is inserted into the material, and the nutrient solution is poured into the soil. The distance of the perfusion point is preferably 10 cm, and the perfusion of each hole depends on the thickness of the material, generally 5 ml to 10 ml.
2. Alternate application of different nutrients for a long time to simply apply a certain nutrient, can not meet the various nutrients required for the growth and development of edible fungi. Therefore, when supplementing nutrition, it is necessary to alternately apply various nutrients or mix and apply. Generally, nutrient solution added with nutrients is applied first, and then high-efficiency nutrient solution or high-efficiency conditioner is added.
3. Accurately grasp the application amount. If the nutrition is excessive, it will cause the culture material to be too wet, the permeability will be deteriorated, and even the mycelial growth will be inhibited, which will have a destructive effect on the growth of mycelium; The application concentration should be accurately determined according to the dry humidity of the culture medium and the different edible fungus types. If the humidity is large, the concentration of the nutrient solution can be increased to reduce the amount of water added. In addition, after the application of the nutrient solution, the amount of ventilation should be increased to lose a small amount of water to prevent the growth of the hyphae or fruiting bodies from being caused by the excessive humidity of the material surface or the air.
4. Strictly control the application of organic fertilizer. The applied organic fertilizer should be fully decomposed, must not contain bacteria and eggs, strictly eliminate the application of tanning or rotting organic fertilizer; second, adhere to some fungi that are not suitable for organic fertilizer application. No, it is necessary to apply, and it can only be boiled for a period of time, and its digesting solution is diluted and applied. In addition, when applying plant extracts such as soy milk juice and potato juice, it should be used now and should not be placed for a long time to prevent rancidity and deterioration, and the application concentration should be strictly controlled.
5. Attention to environmental impact Generally, when the temperature is higher than 25 °C, many fungi are not easy to differentiate to form fruiting bodies, and nutrition is stopped at this time. Glucose solution, soy milk juice, human excrement, etc. are not suitable for application at temperatures above 20 °C. If the bacteria bed, the fungus tube and the bacteria block have been infected with the bacteria, the bacteria must be removed before the nutrition can be supplemented, otherwise the degree of contamination of the bacteria will be increased.
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