Anti-acid corrosion measures of Pleurotus ostreatus culture material
The recent hot weather, rainy and humid, very easy to breed acid bacteria, a little careless will cause losses to the production of Pleurotus ostreatus. How to prevent the acid rot of Pleurotus ostreatus culture materials, we should pay attention to six words: fresh, sparse, increasing, wind, dark and falling.
Fresh culture materials such as rice straw, corn straw and wheat straw should be fresh and mildew-free, and should be exposed to the hot sun for 3 days before use.
Sparsely use smaller plastic bags with a diameter of less than 20 cm to cultivate Pleurotus ostreatus, and put only one layer when sending bacteria, do not overlap, which is beneficial to heat dissipation.
In the preparation of culture materials, lime is used to increase the pH value to 8.5 or even higher, so as to create an environment unfavorable for the growth and reproduction of acid rot bacteria.
The wind keeps the cultivation site of Pleurotus ostreatus ventilated to provide fresh air, which is beneficial to the growth of Pleurotus ostreatus.
The environment of Pleurotus ostreatus mycelium growth period should be dark, black cloth and straw curtain can be used to cover the doors and windows, but there should be some scattered light during the formation of the buds.
Drop to implement "double drop": one is to reduce the humidity of the culture material, which is generally adjusted to 60% 65% in winter and spring, and to 50% 55% in summer. The second is to reduce the temperature of the cultivation site of Pleurotus ostreatus. Trees can be planted around the site, or long rattan melons can be planted to form a higher melon and vine fence. In addition, if the temperature is too high (above 30 ℃), you can hang wet gauze or spray in the ventilated place to cool down.
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Adding salt to the culture material of Pleurotus ostreatus can increase the yield.
In the cultivation of Pleurotus ostreatus, carbendazim is effective in the prevention and control of miscellaneous bacteria pollution, but the residual pesticides in the mushroom body are harmful to human health and the cost is high. According to the experiment: when Pleurotus ostreatus is cultivated with raw material, 1.5 kg of salt is added to every 100 kg of dry culture material (dissolved in quantitative water in advance), which can prevent miscellaneous bacteria infection and produce mushrooms 5-7 days in advance. At the same time, because the salt is rich in sodium, calcium, magnesium and other metal ions needed for the growth of Pleurotus ostreatus, if 10% salt water is sprayed at the initial stage of fruiting body differentiation and after each tide mushroom harvest, the mushroom body will be free of pesticide residues and quality.
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Moisturizing skills of Culture material of Pleurotus ostreatus
1. The bacteria stick wall is covered with soil to moisturize. Lay a thick 15~20cm ridge according to the length of the bacterial bag in the shed, remove the plastic bag and put it neatly on the ridge. Each row is covered with 1 layer of soil with thick 3~4cm. Spray water on both sides of the soil and smooth it with mud. Then discharge the second layer of bacterial sticks and cover the soil, which can discharge 6-9 layers, and the top layer should still be covered with soil and wiped flat. Spray water once behind the wall to make the covered soil absorb enough water. From now on, spray water every day to keep the soil moist, according to the routine management of mushrooms. This method can increase the yield of Pleurotus ostreatus by 50%.
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