Farmers in Hebei: How to add nutrients to edible mushrooms?
Answer: 1. The method of adding nutrient solution should be scientific. The methods for supplementing edible mushrooms include spraying, soaking and cavitation. Spraying is used for a large number of fruit body development periods. The commonly used method is to formulate a certain concentration of nutrient solution, combined with replenishment, and spray on the bacteria bed and the bacteria block. Spraying nutrient solution is best done at low tide. Pay attention to the nozzle when spraying, not facing the fruiting body. At the same time pay attention to the four does not spray: young mushroom buds do not spray, just picking mushrooms or mushroom residues are not sprayed, the air humidity is not spray. Mushrooms do not spray when serious pests and diseases. Soaking is mainly used for bag planting or block planting methods. After harvesting 1~2 oyster mushrooms, if the bacterium bag (block) is seriously deficient in water, soak the bag or block in the well-matched nutrient solution, but the soaking time should not be too long. If there is too much water, it can be divided into several Submersion. The burrowing hole is mainly used in the bed of bacteria, and when the mushroom bed has more mushrooms and nutrient consumption is too large, it is used. The method is to open the soil on the bed of bacteria, and insert a funnel into the material surface to fill the liquid with 4 to 7 ml, and the distance between the points is 10 cm. After the liquid is added, the soil is covered.
2. It is appropriate to add nutrient solution concentration. If the concentration of nutrient solution is too high, mycelial growth will be hindered; if the concentration is too low, the effect of increasing production is not obvious. In the appropriate concentration, when added, it should be based on the humidity within the material. If the humidity of the culture material is too high, the concentration of the nutrient solution may be appropriately increased to reduce the amount of water, and after the supplement of the nutrient solution, the ventilation may be enhanced, and on the contrary, the concentration may be reduced to increase the amount of water.
3 add nutrient solution should pay attention to environmental changes. Generally, when the temperature is higher than 20°C, mushroom hyphae are difficult to form into fruit bodies and rehydration should be stopped. Glucose solution, soymilk juice, and human fecal urine should not be rehydrated when the temperature is higher than 18°C, and can also be used in nutrient solutions. Add an appropriate amount of antibacterial agent to prevent the spread of germs.
4. Alternately supplement different nutrient solutions. The use of several nutrient solutions alternately or in combination can satisfy the requirement of different nutrients for edible fungi. Normally nutrient solution supplemented with nutrients is applied first, and then high-efficiency nutrient solution is applied. If hormones are used to stimulate the growth of edible fungi, they should be supplemented with nutrients and hormones.
5. Correct application of organic fertilizer. Compost and excrement must be thoroughly fermented and decomposed or high-temperature sterilized. Soybean juice, potato juice and other plant leaching liquids should be ready for use.
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