Letinous edodes cultivation substrate and preparation method thereof

The invention discloses a letinous edodes cultivation substrate and a preparation method thereof. The letinous edodes cultivation substrate is composed of the following raw materials: 60kg of weed tree sawdust or paulownia wood chips, 10kg of wheat bran, 2kg of corn flour, 0.2kg of calcium superphosphate, 0.05kg of urea, 0.8kg of gypsum and 0.8kg of brown sugar. The preparation method consists of: firstly mixing the raw materials weed tree sawdust or paulownia wood chips, wheat bran, corn flour, calcium superphosphate, urea and gypsum fully and evenly to obtain a mixed material; dissolving the brown sugar, then adding it into the mixture, adding water, stirring the substances evenly and conducting piling, thus obtaining the product letinous edodes cultivation substrate. The letinous edodes cultivation substrate with weed tree sawdust and paulownia wood chips as the main raw materials can produce letinous edodes products with quality and the yield equivalent to those products produced with oak sawdust as the l