1. Ventilation
Pleurotus ostreatus is a kind of aerobic fungus. The growth and development of the fruit body must constantly absorb oxygen from the environment. If the carbon dioxide content in the air in the shed is too high, the stalk will develop quickly and the cap will develop slowly, which will form a thick and long stalk and cap. Small long-handed mushrooms. But the combination of ventilation and moisturizing. Insulation, in practice, it often appears that ventilation affects temperature and humidity.
Therefore, in spring, summer and autumn, we must insist on air convection 24 hours a day, day and night, and the temperature is higher than 20 degrees Celsius. All the films at both ends of the greenhouse should be set up to increase air convection. In winter, only the air temperature is above 5 degrees Celsius. The air must be convective slowly, unless the temperature is below 4 degrees Celsius or the convection should be stopped in icy weather. If the daily temperature rises above 5 degrees Celsius, ventilation should still be carried out at noon.
Practice has proved that, as long as the air in the shed is kept fresh, the mushroom cover does not often accumulate water, and bacterial diseases such as yellow gourd disease are difficult to reproduce.
2. Moisturizing
At the stage of fruit body development of Pleurotus ostreatus, when the air humidity in the shed is lower than 70%, the surface of the fungus cover is rough, which is prone to cracking, and long-term dryness will also consume water in the bag. However, too much water is sprayed and the humidity is above 95%. Due to lack of oxygen, it is easy to cause disease or decay of the fruit body. Therefore, in the growth and development stage of the fruit body in the mushroom shed, the air humidity must be maintained at 85%-95% and the air humidity should be adjusted. The method is to spray water on the ground or spray both ends of the bag to adjust when the humidity is low, and to increase ventilation when the humidity is high.
It is very important to spray water on the fruit body of oyster mushroom, so it can prevent the phenomenon of water accumulation on the surface of the mushroom body and should be promoted. However, at this stage, some mushroom farmers have increased the cultivation area of ​​oyster mushrooms. They have used submersible pumps or tap water pipes to directly spray the mushroom bags and mushroom bodies in the shed. Such extensive management can easily cause the volume of mushroom water. It is recommended that a spray head must be connected to the mouth of the plastic water pipe and spray water should be used. Otherwise, the onset of yellow mushroom disease will be buried.
It is labor-saving and efficient for large-scale cultivation. The water curtain spray belt can be used to spray water in mist, which has an excellent effect. When in use, one end of the spray belt is connected to the water outlet of the submersible pump, and the other end is extended along the central sidewalk of the greenhouse, or buckled on the roof of the shed. Wherever the spray belt passes by, it can form a water curtain.
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