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谷壳是大米加工厂的下脚料,具有丰富的营养成份。由于谷壳质地柔软,透气性能好,因此用它制作平菇、金针菇原种,生产种比用木屑制菌种生长快,一般20～24天吃透整个培养料。配方为谷壳78％、麸皮20％(也可用米糠代替)、糖1％、石膏1％。制平菇菌种需用石灰调节 pH 值为8～8.5,含水量在55～60％之间为宜。此配方笔者通过多次反复试验,成品率在98％以上,完全适合于杂木屑缺乏地区使用。
Husk is a waste of rice processing plants, with rich nutrients. As the chaff texture soft, breathable performance, so use it to make Pleurotus ostreatus, Flammulina velutipes, production than wood species faster growth, generally 20 to 24 days to eat through the entire culture material. Recipe is 78% chaff, bran 20% (also available rice bran instead), 1% sugar, gypsum 1%. System mushroom strains need lime to adjust the pH value of 8 to 8.5, the water content of 55 to 60% is appropriate. The formula I repeated the trial by many, the finished product yield above 98%, fully suitable for the use of areas lack of sawdust.