Detailed Explanation of High-Temperature Open-Air Cultivation Technology for Shiitake Mushrooms Using Sawdust

The technology of cultivating shiitake mushrooms (Lentinula edodes) using sawdust as the raw material under high-temperature conditions of 30°C breaks the seasonal restrictions of traditional shiitake cultivation, allowing production in all four seasons. The method is: add water to sawdust and boil for 10-20 minutes, scoop out, drain, spread out and air-dry. For every 1.5 kg of dry material, add 500 ml of a mixed solution made from the filtrate containing 0.1% carbendazim and 0.2% monopotassium phosphate, mix well and let cool, then place the culture material on pieces of plastic film of about 0.17 sq m, mix in 40%-50% of spawn, crumble and mix thoroughly, pour onto another piece of plastic film and mix once more, then tie the corners together diagonally. Each block of dry material weighs 0.5 kg-0.75 kg. The spawn blocks undergo mycelial running at a temperature of 24-30°C; the blocks form in 5 days, and the fresh bags change color in 15 days. The spawn blocks are cultivated in an environment with 85%-90% relative air humidity, and mushrooms emerge in 45-55 days; for every 0.5 kg of culture material, 250 g of fresh shiitake mushrooms can be harvested per flush.