The use of cow dung and straw for the cultivation of Agaricus bisporus not only has less investment, but also has considerable benefits. It also purifies the environment, turns waste into treasure, and controls the current environmental pollution of cow dung and other wastes that are commonly found in rural areas. Its cultivation techniques are as follows:
One, ingredients
100 m2 of stockpiling requires 1500 kg of wheat straw, 1250 kg of cow dung, 40 kg of phosphate fertilizer, 40 kg of gypsum, and 50 kg of lime with a pH of 7.5-8.
1. Wheat straw pre-wet according to the formula to take wheat straw, soaked in batches of water, when the wheat straw evenly absorbed, layered stacked side of the material yard.
2. Wheat straw treatment Wheat straw pre-wet The third day, lay a layer of lime powder on the wheat straw, spray the water once, then sprinkle the urea, then spread a layer of wheat straw, and so on. After pre-stacking, 25 kg of urea, 7.5 kg of lime powder and about 23 cubic meters of stockpiles were used.
3. Before the construction of the heap, the cow dung and the cake fat were crushed and sieved and mixed uniformly. Then, 1% lime water was used to pre-wet until the hands were able to form a mass, and when the ground energy was scattered, the fertilizer, gypsum and lime were crushed and mixed evenly. Sprinkle on cow dung and mix well. Cover it with plastic cloth.
4. Build a pile of pre-stacked wheat straw on the stockyard, 30 centimeters thick, 1.8-2.2 meters wide, 8-10 meters long, and then spread a layer of cow dung mixture on the surface of the material, and so on, Until the end of the pile, the manure was finally covered with manure mixture on the surface of the material and covered with a layer of grasshoppers. Spray 1-2 times of water on the grass every day. Turn the heap on the 7th day after the pile is piled up. Make proper water supply and no water can flow from the edge. In another five days, a second turn is performed, and lime water is made with 15 kg of lime powder for replenishment. The 3rd turn was carried out 5 days after the second turn. Simultaneously, the pH was measured. The pH was adjusted to 7.5-8 with lime water, the water content was kept at 65%, and then stopped for two days.
5. The culture material is placed on a cultivated bed frame and covered with a thin film, heated, when the material temperature rises to 58°C-60°C, maintains for 8-12 hours, and then drops to 48°C-52°C for 13 days. It can be sown when the temperature drops to 28°C. The well-fermented culture material has a tan color, soft and elasticity, moisture content of about 64%, pH value of 7.5-8, hand odor, sourness, and ammonia odor.
Second, sowing
The containers, inoculation kits, and hands of operators must be sterilized. First spread the 1/2 of the amount of bacteria evenly on the surface of the material, and then use the middle finger to insert a slight vibration to the material so that the bacteria can fall uniformly into the material at 3-5 cm, and then evenly spread the remaining bacteria in the material. Face. Use 1-1.5 bottles per square meter.
Third, culture bacteria cover soil
1. After sowing, the sowing temperature in the shed is maintained at 22°C-25°C, and the maximum temperature is not more than 28°C. The humidity is about 75%. 7 days after sowing, the hyphae grow normally. After about 20 days, the mycelium grows to the bottom. 2. Formulation for earth-covering materials: 100 square meters requires 3100-3250 kg of loam, 17.5 kg of phosphate fertilizer, 20 kg of calcium carbonate, 100-150 kg of fermented wheat bran, and 2/3 of coarse soil and 1/3 of fine soil. In the 3 days before the cover soil, add 10% 5% formaldehyde per cubic meter, stirring while spraying, and then add film, boring for 24 hours, and then use lime to adjust humidity and spray dichlorvos.
Four, mushrooming
Manage the temperature of the mushroom shed within 14°C-16°C and air humidity 85%-90%. Spray water to do the ground spray, less spray, when the mushroom cover length of 2-4 cm, the edge of the volume, fungal film is not broken when harvesting, each batch of fluid should be refilled once. Nutritional liquid formula 1 potato boiled liquid plus edible nutrients. 2 mushroom handle precooking liquid plus edible nutrients.
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