Technical Key Points for Cultivating Coprinus comatus (Shaggy Mane Mushroom) with Biogas Residue
1. Substrate formula: 300 kg biogas residue, 200 kg corncobs, 10 kg superphosphate, 1.5 kg urea, 20 kg lime powder, 5 kg gypsum powder, 5 bags of Mushroom Disease Eliminator, and 240 g of the three-dimensional edible mushroom nutrient essence. 2. Substrate composting: Except for the three-dimensional nutrient essence, mix the corncobs directly with fresh biogas residue and auxiliary materials...
1. Substrate formula: 300 kg biogas residue, 200 kg corncobs, 10 kg superphosphate, 1.5 kg urea, 20 kg lime powder, 5 kg gypsum powder, 5 bags of Mushroom Disease Eliminator, and 240 g of the three-dimensional edible mushroom nutrient essence.
2. Substrate composting: Except for the three-dimensional nutrient essence, mix the corncobs directly with fresh biogas residue and auxiliary materials, build a pile for fermentation, and turn the pile once a day when the temperature is above 20°C. On the third turning, evenly spray in an 800-fold phoxim solution to prevent insects. Seven days of composting is sufficient. Signs that fermentation is complete: the substrate is brown, contains a large amount of actinomycetes, and has a distinctive mushroomy grassy smell, with no odor and no sourness. If there is a sour odor, a pungent rotting smell, or the like, the pile needs to be spread out to release moisture and odor, then reprocessed. On the final turning, evenly spray in the three-dimensional nutrient essence.
3. Spawning and mycelial growth: After fermentation is complete, spread out the pile, adjust the pH to about 8, and cool it to below 30°C, then it can be bagged and spawned using standard practices. After spawning, immediately make micropores and move the bags into a pre-sterilized mushroom shed to enter the mycelial growth stage. During this period, spray a Baibing Qiuwuzong solution about once every 3 days, and carry out inspections to remove contaminants, promptly handling any contamination found to prevent it from spreading and running rampant. At 25°C, mycelial growth is completed in about 20 days, then maintain for about 10 more days for post-ripening culture.
4. Casing soil and mycelial growth: For bags that have completed post-ripening culture, remove the bags and apply casing soil. The casing soil thickness is generally 2-3 cm. If using peat soil material or homemade humus soil material, it can be applied up to 5 cm thick. After casing, level the surface of the bed and then irrigate to soak the casing soil thoroughly. Note two points: first, the spaces between the fungus columns must be filled with casing soil; second, when irrigating, use a slow, gentle flow to prevent the fungus columns from floating up. Then cover with woven bags or newspaper and the like. After about 20 days, mycelium will emerge on the surface of the bed, at which point the covering can be removed promptly and the mushroom fruiting management stage can begin.