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Cultivation of straw mushroom with biogas residue
First, the characteristics of straw mushroom: straw mushroom is a grass rot, is a high-temperature and high-humidity type of agaricus. Spore germination temperature is appropriate at 40 °C, and mycelium growth is suitable at 33-38 °C. Space humidity 85-95%, culture raw materials are generally straw, corn stalks, raw material moisture content of 75-85%, pH: spore germination pH 7.4-7.5, mycelium growth pH 7.8-8; fruiting body pH5- 7. Second, the technical points: 1 allocation. After the biogas residues go out of the pool, they are piled on a high ground and plastic membranes are sealed to prevent pests from spawning and draining. Fresh straw or corn stalks that are not rotten or rotten are twisted into a rope-like handle. Each grass handle weighs about 0.7. Kilograms, soaked in water for 10 hours before cultivation, fully absorbed enough water. 2 sowing time. In Shanxi Jinzhong, we chose to cultivate in mid-May. Open-air cultivation: Choose a place with plenty of sunshine, cool air, and close to the water source. Use loose, organic-rich sandy loam soil and biogas residue to mix and mix the grass and mushrooms. Generally, it is 1 meter wide and 10 meters long. In sunny days, the earth was dug up, crushed after drying, sprayed with 10% lime water and biogas slurry to drive out the pests. Two days later, a gap of 1 meter in width and 30 centimeters in depth was opened between the pupae and the pupae for aisles and drainage. Then, the straws with sufficient moisture were successively arranged on the surface of the loquat, with the heads pointing inwards and the base ends outwards, closely aligned and aligned. Place a layer on the foot, and use 1% ammonium sulfate to spray, then sprinkle a layer of biogas residue, put a layer of bacteria species, the first layer with 3 bottles, in turn overlap 2-3 layers, each layer inward contraction 6 - 7 cm, forming a trapezoid, after the third layer is stacked and then spread the bacteria. A group of grass common strains of about 10 bottles of biogas residue used about 25%, and finally in the haystack above and around straw or plastic film, to prevent wind and rain, heat, moisture, to avoid direct light. After 4 days, step on the heavy water and cover the top with soil. Outdoors, cultivate at a natural temperature of 24°C and above 80% air humidity, and a stack temperature above 30°C. The mushrooms are seen in 15 days. For indoor cultivation, where the stacking materials are sown and covered with plastic film, etc., it is necessary to pay attention to the fact that the room temperature is kept above 25°C. The temperature in the haystack undergoes a process from low to high and then from high to low. The pile temperature can rise to 50-60°C in 4-5 days after stepping on the heap, and it begins to decline after 2-3 days. When it falls to 42°C, it begins to produce mushrooms. If the temperature of the reactor rises slowly, on the fourth and fifth days, if it does not reach more than 50°C, it will be stepped on the water and the grass curtains will be thickened or covered with plastic film. If the stack temperature is too high, Open the straw, ventilation and heat dissipation. The indoor cultivation humidity should be controlled at about 90%. If the climate is dry, it can be watered on the grass cover, or use a sprayer to spray water to the house, and keep the moisture content of the haystack at 65-70%. In case of continuous high temperature and sunny days, step on the water again on the fourth day after the pile. When there is a small white spot on the heap surface, moisturizing is the main method, light spray or less water spray. With the increase of bacterial buds, the amount of water spray is gradually increased. After harvesting, the water content of the haystack should be increased. Third, pay attention: 1 can not use the bottom of the biogas residue, so as not to hatch the eggs of dead pests, pollution of mushroom bed. 2 After sowing for 2 days, the temperature of the material will rise sharply. The upper layer can reach up to 50°C and the lower layer can reach 45°C. At this time, attention should be paid to removing the membrane and ventilating the air for 10-20 minutes. Then cover the membrane, and the material temperature should be controlled at 32-38°C. So as not to burn the hyphae excessively high temperature. 3 Although the mushroom is hi wet, but not more than 90%, if the humidity is not enough, can be sprayed with water at 10 o'clock in the morning and at 3 o'clock in the afternoon. When spraying, it should be light and should not be spilled. Outdoor cultivation in rainy weather should be covered with plastic film, timely removal of film after rain, regardless of indoor and outdoor cultivation, we must see the material surface when most of the emergence of small Lei can uncover the film. 4 pay attention to pest and disease prevention. Miscellaneous mushrooms that are harmful to straw mushroom are often found in high humidity and poor ventilation. If they occur, they should be dug in time, and 75% alcohol cotton balls can also be used to wipe off mold.