Before the biogas residue is ready for sowing, the biogas will be discharged in large quantities, the biogas residue will be removed and drained, and the Tiantianqing will be diluted and exposed to dryness to remove the unrefined long residue. Exposure time to squeeze the biogas residue by hand, fingers with water without dropping drops is appropriate. Mushroom and bed frame preparation mushroom room can generally use the availability of windows and doors. Mushroom beds can be made of bamboo, wood, and iron to form a multi-layered bed frame. The first floor is no less than 25 centimeters from the ground, and the layers above each other are 60 centimeters apart, paved with straw and branches. The mushroom house is fumigated with 50-times formalin solution or sprayed with 50 times liquid. It is also possible to fully spray the wall, ground, and mushroom bed with 50-fold lime sulfur to close the mushroom house for 1-2 days. The biogas residue is laid flat on the bed of the mushroom and kept naturally loose, with a thickness of 12-14 cm. Seed selection of pure strains, 10 centimeters and 10 centimeters apart, with a finger evenly hit the 2 cm deep sowing point, the bacteria species will be pulled out according to the size of a thumb, put a thin layer of culture material, to facilitate the bacteria Silk growth. After sowing, the material surface is leveled and patted slightly, so that the culture material and bacteria species are in close contact with each other. However, it is not possible to make a firm shot to avoid airtightness. Cover with clean newspaper soaked in water and close the doors and windows. Maintain room temperature below 30 °C, air humidity 60% -70%, in order to facilitate the early colonization of mycelium. Pre-concrete management takes about 20 days from sowing to overburden. This time is mainly to promote the growth of mycelium, and the management focus is on preventing high temperature. Try to keep the room temperature at 22°C-25°C and humidity 65%. Within 10 days after sowing, newspapers need to be unleashed one or two times a day for ventilation. After 10 days, newspapers can be peeled off. Doors and windows will be opened sooner or later, and the number of ventilations will be gradually increased to prevent miscellaneous bacteria. Covering soil is to cover the layer of soil particles on the surface covered with mycelium. The earth-covered soil is best to use paddy soil to plow the slightly sandy soil below the bottom layer or the bottom mud of the pond. When covering the soil, cover the large particles (2-3 cm in diameter) so that the material surface is not exposed and the soil particles do not overlap. Then cover the small particles (such as beans size). Moisture content of soil particles is about 20%, PH7.0-8.0 is appropriate, such as peracid, 0.5% lime water spray adjustment. Mushroom buds can be seen before and after 15 days. At this time, it is necessary to spray “water with mushroomsâ€. Once a day, the amount of water will increase slightly, for 2-3 consecutive days, so that the soil will be wet and reach the level of sticking hands. For every 1 shot of water, the mushroom room will be ventilated once. About 7 days, Mushroom fruit bodies can grow to the size of soybeans, and spray heavy water for 2 consecutive days (but not let the water seep into the surface layer of culture materials), increase the moisture content of the soil particles, and allow the small mushrooms to get sufficient moisture in time and quickly expand.
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After the management of the fruit before the mushrooming, if the temperature, humidity and ventilation conditions are appropriate, the mushroom can be grown in about 20 days. Within 2-3 days after covering the soil, lightly spray water 2-3 times a day; 10-15 days, morning and evening water spray l-2 times, and pay attention to ventilation, reduce air humidity properly, so that the surface of soil particles is slightly dry to promote Villous hyphae grow laterally between soil particles, laying a good foundation for mushrooming.