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袋栽平菇收获2～3批之后,由于培养料及水分的消耗,产量往往下降。使产量再度提高的办法是将这些出菇量下降的袋子进行覆土栽培。由于覆土后有利于培养料面积保持稳定的温、湿度,并对菌丝有一定的压力刺激,因而能使子实体分化加剧,出菇量增加,使培养料得到最大限度的利用,生物效率可高达520％～
Pleurotus ostreatus bag harvest 2-3 batches, due to the consumption of culture materials and water, the output tends to decline. The way to increase production again is to cover the bags with reduced volumes of mushrooms. Because after the soil is conducive to the culture material area to maintain a stable temperature and humidity, and the mycelium has a certain pressure stimulation, which can make the fruiting body differentiation exacerbated, fruiting quantity increased, the culture material to maximize the use of biological efficiency Up to 520% ~