Biogas residue cultivation technique of straw mushroom
First, after the reserve of biogas residue is put out of the pond, it is piled in a place with higher ground, drained naturally, and the plastic film is sealed to prevent pests from spawning. Rotate the fresh, mold-free straw or corn stalks into a rope-like grassy handle. Each grass weight weighs about 0.7 kg. Soak for 10 hours with fresh water 1 day before cultivation to fully absorb enough water.
Second, the open-air cultivation selection of sunny, ventilated, cool, close to the source of the water, use loose and organic-rich sandy loam soil and biogas residue and mix well for the cultivation of mushroom mushroom noodles, generally 1 meter wide and 10 meters long.
The earth was dug up on sunny days, crushed after drying, sprayed with 10% lime water and biogas slurry to drive out earthworms and other pests. Two days later, a ditch with a width of 1 meter and a depth of 30 centimeters was opened between the plutonium and the pupae for aisles and drainage. Then, the water-absorbing grasses were horizontally arranged on the surface of the pod, with the heads pointing inwards and the base ends outwards, closely aligned and aligned. Place a layer on the foot, and spray with 1% ammonium sulfate, then sprinkle a layer of biogas residue, put a layer of bacteria.
The first layer used three kinds of bottles, in turn overlap 2 to 3 layers, each layer inward contraction 6 to 7 cm, forming a trapezoidal. After the third layer is piled up, strains are sprinkled. A pile of grass shared 10 strains of bacteria. The use of biogas residue accounts for about 25%. Finally, weave straw or plastic film on the top and around the haystack to prevent weather, heat, moisture, and direct light.
After 4 days, step on it, pour heavy water, and cover the top with mud. Outdoor cultivation requires natural temperatures of 24°C and air humidity of more than 80%, and a stack temperature of 30°C or more. The grass pile contains more than 60% water. When these conditions are met, mushrooms can be seen within 10 to 15 days.
Third, indoor cultivation in the indoor biogas residue cultivation straw mushroom stacking, sowing, film and other methods, the same as open-air cultivation, but management should pay attention to:
Keep room temperature above 25°C. The temperature in the haystack undergoes a process ranging from low to high and then high to low. The stack temperature rises to 50-60°C in 4 to 5 days after stepping on the heap, starts to decline after 2 to 3 days, and falls to 42. It starts to mushroom at °C. If the stack temperature rises slowly, it will not reach 50°C until the fourth or fifth day, and it will be stepped on water (if the grass is very wet, only water will not be stepped on). At the same time, the straw curtain can be thickened or Cover with plastic film. If the stack temperature is too high, the straw curtain should be lifted to ventilate and dissipate heat.
The indoor cultivation humidity should be controlled at about 90%. If the climate is dry, water can be applied to the haystack, or sprayed into the room with a sprayer to keep the moisture content of the haystack at 65% to 70% (ie, straw pulled out of the heap and squeezed with water to overflow) But not dripping).
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.
Fourth, pay attention to matters
1. Can not use the bottom of the biogas residue, so as to avoid hatching undead eggs, contaminated mushroom bed.
2. After sowing for 2 days, the temperature of the material will rise sharply, with the upper layer reaching 50°C and the lower layer reaching 45°C. At this time, attention should be paid to removing the film, ventilating and ventilating for 10 to 20 minutes, and then covering the film. Material temperature should be controlled at 32 ~ 38 °C, so as not to burn the hyphae when the stack temperature is too high.
3. Although the mushroom is hi wet, the relative humidity cannot exceed 90%. If the humidity is not enough, you can spray water on dry days at 10 o'clock in the morning and at 3 o'clock in the sunny day, or spray water in the sun. When spraying, lighter water should be used to prevent sprinkling.
Outdoor cultivation should be covered with plastic film in case of rain. Remove film after rain. Regardless of indoor and outdoor cultivation, we must see that most of the material surface appears to be uncovered.
4. The abstract is timely. When the fruiting body is egg-sized, full and smooth, with a dark brownish color, and the base is white, the picking is best, so harvesting cannot be done too early.
5. Pay attention to the control of bacterial contamination and pests and diseases.
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.
Rodent control cannot be poisoned with drugs. If pests occur, 0.2% to 0.3% of dichlorvos can be smoked. It is also possible to stop the water properly to dry the mushroom bed so that young pests die due to lack of water.
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