Detailed Explanation of the Mimic-Wild Pollution-Free Cultivation Technique for Edible Fungi

Using rice straw or wheat straw for mimic-wild pollution-free cultivation of edible fungi requires no special equipment, no cutting or crushing, and no added supplements. Simply soak the straw in water in measured amounts, and oyster mushrooms (Pleurotus ostreatus), Phoenix mushrooms (Pleurotus sajor-caju) and other edible fungi can be cultivated on a large scale outdoors in a mimic-wild manner, giving artificially grown products the color and flavor of wild mushrooms. With this technique, 4000-5000 kg of straw can be used per mu, while the cost is only about 1000 yuan. Crops such as corn, sunflowers, melons and beans can also be appropriately interplanted in the mushroom-growing beds, giving considerable benefits and great potential for increasing yield.

Raw material treatment (soaking the material): The rice straw or wheat straw used for growing mushrooms must be thoroughly sun-dried. Straw from a recently harvested crop still has living cells, and the mycelium finds it very difficult to decompose its cellulose and lignin. Tie the rice straw tightly, about 7 kg per bundle. Put an appropriate amount of quicklime into a pool, add water up to 4/5 of the pool's capacity, and add 0.4-0.5 kg of quicklime per 100 kg of water. Place the bundles of rice straw lengthwise along the edge of the pool, with 2 layers possible, and press stones on top so that the rice straw is completely submerged in the limewater for 13-15 minutes. Then take out the soaked bundles of rice straw, drain for 20 minutes, and pile them into a large heap. The pre-wetting method for wheat straw is the same as that for rice straw, but the soaking time must be longer than 25 minutes. After the material from the first pool is taken out, add quicklime and water in proportion again and continue soaking the material. Repeat this process, and more than 1000 kg of cultivation material can be soaked per day. Put the soaked bundles of rice straw together in a heap, cover with plastic film and drain for 1 day, then carry out fermentation treatment. First lay a platform 20 cm high with bricks and stones on the site, then lay wooden strips on top of the platform, about 1 m wide, with the length depending on the amount of raw material. The heap should be uniform in size from top to bottom, built into a rectangular block of raw material. Finally cover with plastic film and insulation material. Generally ferment for 5-7 days. When a snowflake-like substance is seen covering the straw through the plastic film, it can be used for cultivation.