Indoor three-dimensional cultivation of Pleurotus ostreatus in winter
Put the plastic tube containing Pleurotus ostreatus (columnar) in the room or in the mushroom cellar. When the room temperature is 24 ℃ ~ 25 ℃, it can only discharge bacteria in a single layer, and when the room temperature is about 20 ℃, it can be discharged in two or three rows. When the room temperature is 10 ℃ ~ 15 ℃, the heap height can be 1 ~ 1.5m, and the position can be changed every 10 ~ 15 days to make the temperature of each part uniform and the bacteria consistent. During this period, the indoor is as dry as possible, and when the indoor humidity reaches more than 80%, it is best to adopt the two-stage cultivation method of bacteria on the ground and mushrooms underground. Keep the indoor air fresh, change the air frequently, control the temperature of the material not more than 30 ℃, do not see the light in the mycelium stage. In general, it takes 20 ~ 50 days from inoculation to mushroom production. Scattered light should be given when the buds are about to occur. A 40-60 watt light bulb should be installed in the cellar every five or six meters and illuminated for 12 hours a day. In the mushroom emergence stage, single-line discharge, pile height of 1.5m, to maintain the air relative humidity of about 90%, ventilation, room temperature 10 ℃ ~ 20 ℃ in order to obtain high yield.
The management of temperature and humidity during the development of fruiting body should be strengthened. ① primordium formation stage (also known as mulberry stage). The mycelia form kink clusters, white dots can be seen with the naked eye, and gradually grow up to form clusters of small mushroom buds, like mulberries. At this time, the mouth of the plastic cylinder can be untied and the plug can be removed. in order to maintain air humidity, fine mist can be sprayed on the surrounding space and walls, but water can not be sprayed directly on the mushroom buds. ② coral stage. The mulberry stage lasted only two or three days, the granule gradually elongated and the primordium differentiated into a stalk, but the cap was not yet formed, and the stalk was stout under the conditions of good temperature, humidity, light and ventilation. The management of this period was the same as that of the mulberry stage. Be careful not to blow directly to the fruiting body when ventilating. ③ young bud stage. Fungus cap formation, during this period, if the air relative humidity is less than 85% can be sprayed, pay attention to frequent spray, fine spray, can be swept over the young buds, cut not more spray, coarse spray. Mature stage of ④. The amount of spraying water and ventilation in the early mature stage were larger than those in the young bud stage. The middle stage of maturity is the most suitable time for harvest, when the harvest is of good quality and high yield.
After the first crop of mushrooms was harvested, the residual mushroom fragments were cut, cleaned, the plastic tube mouth was bandaged, and the cellar and indoor were not sprayed with water, so as to dry the air so as to promote mycelium growth and nutrient accumulation. At this time, we should pay attention to ventilation and light transmission, until the formation of the second stubble mushroom, other management is the same as above.
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Four key points of cultivation and Management of Pleurotus ostreatus in Winter
1) the light should be strong rather than weak. Light is not only an important way to increase greenhouse temperature in winter, but also an important way to increase yield and improve mushroom quality. The light intensity and time should be determined according to the heat preservation performance and weather conditions of the mushroom shed. If the heat preservation performance of the mushroom shed is good, and the temperature can be maintained above 5 ℃ at night, the grass canopy on the roof can be uncovered early and late to prolong the daytime light time as much as possible; on the contrary, the daytime light time of the mushroom shed should be shortened accordingly. As far as weather conditions are concerned, when the temperature is below 5 ℃, sunny and cloudy days keep the greenhouse temperature at 5 ℃.
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Simple heat preservation method of Pleurotus ostreatus in winter
In the process of cultivating Pleurotus ostreatus, the author explores a set of simple and suitable heat preservation method from practice, which is introduced as follows: Pleurotus ostreatus should be bagged and cultivated in late autumn, and half a bag of hyphae can be sent out when the temperature drops and becomes cold. When such bags are cultivated in heat preservation, the bags can be quickly filled with hyphae. If it is not bagged and cultivated in advance, it can be heated and sterilized at one time. When the temperature drops, the bacterial bags with half a bag of hyphae will be packed densely, and the bacterial bags will be high and wide as far as possible, so as to gather the temperature, increase the temperature and keep warm. Stacking method: 4 rows of each code into a segment, 7 of each row of codes
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