In the mushroom cultivation process, in order to produce more mushrooms, it is necessary to add various nutrient solutions to produce good mushrooms. Only the correct method of adding nutrient solution can achieve high yield and high efficiency. On the contrary, if it is not properly added, it will have a negative effect and bring greater economic losses to producers. 1. There are three methods commonly used for adding methods: spraying, soaking, and cavitation. Spraying, used for large-scale emergence of fruiting bodies. When spraying, be careful not to face the fruiting body. At the same time pay attention to "four do not spray": 1 young mushroom buds do not spray, so as not to "swollen." 2 If you have just picked mushrooms or mushrooms, do not spray them so as not to cause bacterial diseases. , 3 air humidity is not sprayed. 4 If the pests and diseases in the mushroom shed (room) are serious, do not spray it. Soaking is mainly used for bag planting or block planting. After harvesting 1 tidal- 2 tidal mushroom, if the cultivation bag (block) is in a state of severe water shortage, soak the bag or block in the prepared nutrient solution until it recovers to the original weight. The use of soaking method to add nutrient solution, only in the nutrition tank or pool, put the bag (block) after the weight can be pressed, but the soaking time should not be very long, if too much water, can be divided into several Submersion. Filling holes, mainly for bed of bacteria. When the mushroom bed has more mushrooms, the nutrient consumption is too large. The method is to open the cover soil on the bacteria bed, insert the funnel into the material surface and infuse the nutrient solution 4 ml to 7 ml, the distance between the points is 10 cm, and add the nutrient solution to cover the soil. 2. If the concentration is too high, it will not only be difficult to absorb mycelium, but it will also hinder mycelial growth. If the concentration is too low, the physiological effect is not obvious and the purpose of high yield and high efficiency cannot be achieved. At the appropriate concentration, the addition will also depend on the humidity inside the material. If the moisture content of the culture material is high, it is necessary to increase the concentration of the nutrient solution, reduce the amount of water, and increase ventilation after the addition. On the contrary, it is necessary to reduce the concentration of nutrient solution and increase water consumption. The concentration of commonly used edible mushroom nutrient solution is: urea 0.3%-0.5%, potassium dihydrogen phosphate 0.2%. 3. The nutrient solution bogey single should often use several kinds of nutrient solution alternately, so that the nutrients required for the growth of the fruiting body are comprehensive and reasonable, and the fruit body is well developed. If hormones are used to stimulate the growth of mushrooms, they should be added after supplementing the nutrient solution. 4. Pay attention to changes in the environment When the temperature reaches 20°C or more, it is difficult to form high-quality fruit bodies (other than the high-temperature type) of mushroom hyphae. In principle, no nutrient solution is added. If the culture material has been contaminated with bacteria, the bacteria must be removed before supplementing the nutrient solution. In order to prevent the contamination of bacteria, it is also possible to add a certain amount of bacteriostatic agent at the same time as adding the nutrient solution to prevent the growth of germs.
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