Two-step cultivation of straw mushroom technology

Mushrooms, also known as orchid mushrooms, stipe mushrooms. It is rich in nutrition, delicious and delicious. In the hot summer, it is eaten with several straw mushrooms. It has unique flavor, unique style, endless aftertaste, and is popular with consumers. The mushroom growing season is June-September, which is a species with fast growth, short production period, and quick effect, from sowing to mushrooming 8-10 days. Using two new cultivation techniques, each 100 kg of raw material can produce 50 kg of fresh mushrooms for 40 days, with an output value of 300-400 yuan. The two-stage cultivation technique of straw mushroom used the principle of significant yield increase by the mushroom-covered soil for many years of production practice. A successful and practical high-yield new technology was adopted. This method was used to promote large-scale production for many years. Compared with sorghum planting and briquetting cultivation methods, it can increase 1-2 times, and the biological efficiency averages up to 58%, up to 65%. Now this technology is introduced as follows: 1. The preferred strains. The selected varieties are straw mushroom V238 (large grain type), V20, V35 (medium grain type) as well. The above varieties have large and round, dense mushroom, high yield, both fresh and suitable for processing cans and other characteristics. The culture age of the cultivated species used should be 15-20 days, and it is difficult for the old strains to seize high yields. Second, raw material processing. Golden yellow, dry, mildew-free rice and wheat straw were selected and exposed for 2-3 days. The grass stems were repeatedly rolled into soft, cotton-like grass clippings by mechanical or elaein. Formula: straw or wheat straw 100 kilograms, plus dry cow dung powder 10 kilograms, plant ash 5 kilograms, wheat bran or rice bran 3 kilograms, compound fertilizer 1 kilogram, gypsum powder 2 kilograms, when the ingredients are mixed with various accessories, use 1: 500 times of carbendazim solution is pre-wetted, then mixed with grass material, and then 5% lime water (dry material ratio) will repeatedly pre-wet the grass, so that the moisture content reaches 70%, hand grasping material, between the fingers 5-6 drops of water is appropriate. The pH is 12. Then build a heap fermentation, film insulation moisturizing. After the material temperature rises to above 60°C, it is kept for 24 hours, and it is turned over one time; the temperature of the material is raised again to 60°C and maintained for 24 hours. When the material is tan and there is a large number of white actinomycetes, the temperature is lowered and the temperature is reduced. Evenly sprayed 0.1% carbendazim solution in the material, fully mixed evenly, the fermentation period is 7-8 days. Third, bagging fermentation. Cultivation bags should use 50 cm 24 cm 0.03 cm (length, width and thickness) of low-pressure polyethylene bags, first tied with a rope tied to the end of the bag mouth, in the bag sowing a layer of bacteria, a layer of material, and then broadcast a layer of bacteria Species, with a layer of material, material surface with bacteria cover, a total of 2 layers of material, sowing 3 layers, and finally tied with a rope bag, the material should be installed tightly and moderately, edge-mounted edge compaction, each bag about Dry material 800 grams, the total seeding rate of 15%. After inoculation, the bag was placed in a clean and ventilated room for fermentation, stacking 1-2 layers, each bag spacing 20 cm, room temperature at 32 °C, relative humidity of 70%. After the strains survived and colonized, they loosened and loosened their mouth ropes to increase oxygen in the bags and promote mycelial growth. Under proper temperature conditions, the hyphae can be full of bags in about 10 days, and the pink chlamydospores are generated on the material surface, and then enter the fruiting period. Fourth, build the field. You can use the front of the house, the end of the field, all kinds of trees, or melon bean sheds to build the farm. It requires a flat terrain, near water source, cleanliness, convenient drainage and irrigation. After selection, the soil is turned 5-10 cm deep, broken, and weeds and other roots of weeds are made to make a 1 meter wide, 20 centimeters high, and an unlimited length of trampoline, with 5% lime water. Drench the soil. Spray 1:800 times more dichlorvos to cover the film for 24 hours to kill soil pests and diseases. Fifth, take a bag of mushrooms. After unpacking the mycelium covered with mycelium, it is placed in a boring machine and the distance between each cylinder is 5 cm. The space is filled with soil (finish soil formula: 92.5% vegetable garden soil, 5% turfgrass ash, 0.5% compound fertilizer , lime powder 2%), fertilizer soil pre-wet with 1% lime water to the hand into a group, touch the ground that is scattered, covering the surface of the fertilizer 1-1.5 cm thick. After the end of hatching, the film is covered with bamboo film and the straw curtain moisturizes and shades. The temperature in the film is maintained at 30-34°C, and the humidity is 90-95%. After the tube is covered with soil, the hyphae can grow into the soil layer in 2 days. , 5-7 days soil surface can appear small buds. Sixth, management and harvesting. After the cylinders are covered with soil, water should be sprayed 1-2 times a day to keep the soil layer moist and properly ventilated. After a large number of mushroom buds are sprayed 2-3 times a day, the water temperature should be the same as the natural temperature, and avoid causing large temperature difference and dead mushrooms. Ventilation should be carried out slowly to keep the humidity on the bed stable. After 3-5 days of growth, when the mushroom screen is about to break, the fungus cover inside the screen should not be unfolded, harvested in time, harvested and kept small, lightly lifted, Timely sale or processing, after each collection of a tidal mushroom, 0.1% compound fertilizer solution should be sprayed to the material surface, and after 2 days, the tidal mushroom can bud, generally can receive 4-5 tidal mushroom.

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