The cultivation and management requirements of Flammulina velutipes are relatively high, especially the requirement of moisture for fruiting body development. The Wuzijing moisture management method is now introduced for reference.

After the bacillus has been sent to the bottom of the bag, immediately open the bag and scratch the fungus, rake off the old fungus skin, cover the wet newspaper or mulch to moisturize the buds. For newspapers covered, water should be sprayed a small number of times 3 to 4 times a day to keep the newspapers moist; for mulch covered, water can be sprayed to the ground and space to maintain air humidity of about 90%. During this period, open the windows for ventilation once a day, room temperature Controlled at 10 ℃ ~ 14 ℃, a large number of mushroom buds will occur after 5 to 7 days.

When the mushroom bud grows to 1 ~ 2 cm, it enters the period of growth inhibition. At this time, the water spray should be reduced or stopped to reduce the humidity. Open the doors and windows for 3 to 5 days at night, let the cold wind enter into the cooling and disperse the humidity, lower the room temperature to below 8 ℃ (4 ℃ ~ 5 ℃ is the best), and reduce the humidity to about 75%, so that the fruiting bodies are suppressed and the growth is neat and thick.

The three fruiting bodies grow to 3 ~ 4 cm. After entering the elongation period, they spray water 4 ~ 5 times a day. The amount of water spray increases with the growth of the mushroom, and the air humidity is controlled at about 90% (that is, it is appropriate to attach fine water beads to the base of the fruit body base bag) to promote the rapid growth of the fruit body. At the same time, proper ventilation is adopted, and alternating wet and dry is used to suppress the increase of mushroom cover and promote the elongation of mushroom handle. The amount of water sprayed at this stage should be determined according to the weather. Spray more on sunny days and spray less on rainy days to prevent root rot, brown spot disease and excessive water content of the mushroom body from degrading due to excessive water spray. Do not spray water on the mushroom cover. If the newspaper is damaged, it should be replaced in time. The accumulated water in the newspaper should be immediately dumped to prevent the black spots of the mushroom body from contacting the water droplets and affecting the appearance of the product.

After the harvest of the four-tide mushroom bag, the moisture content of the tide mushrooms decreased by 20% to 30%, and that of the two-tide mushrooms decreased by 30% to 50%. Therefore, after the first and second tide mushrooms are harvested, water must be sprayed into the bacteria bags after the bacteria have been moisturized. The method is: spray water directly into the bag 2 to 3 times a day for 2 to 3 consecutive days. Each time the surface of the bacterial column is moist, it is advisable not to accumulate water in the bag. In order to increase output, a small amount of urea, sugar, potassium dihydrogen phosphate, etc. can be added to the water to supplement nutrients.

After the five-dip harvesting of the three-tide mushrooms, the moisture content of the fungus column has fallen below 50%. At this time, the plastic bag can be removed and the fungus column is placed in the pool water to soak. Pick it up, dry it a little and put it in a bag; you can also pour water into the bag and soak it. After the bacteria column absorbs enough water, pour out the excess water in the bag. After replenishing the water, the bacteria bags are re-discharged on the bed frame, covered with wet newspapers and managed as usual.

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