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靖城公社郑店大队山头村农民杨队金采用培养料的二次发酵法裁培蘑菇,夺取了高产,成为靖城公社“种蘑菇状元”。1983年新建五间菇房,扩大种植面积到230米~2,比1982年增加180米~2,增长3.6倍;1984年4月底收获结束,产值达5460元,比1982年增加4950元,增长9.7倍多,每米~2产值23.74元。培养料的二次发酵就是把培养料的发酵分成两个阶段进行。第一阶段(也叫前发酵)在室外建堆发酵。第二阶段(也叫后发酵)在室内进行,把培养料搬进室内床架上,密封门窗加温,促进培养料充分腐熟分解,这就叫做培养料的二次发酵法。二次发酵的主要作用,是使培养料里的复杂有机物能充分分解,转化为简单的有机物,为蘑菇菌丝所吸收,从而有效地提高蘑菇单位面积产量。
Jingcheng commune Zheng shop brigade Hill village farmer Yang team gold cultivation materials used secondary fermentation law cultivation of mushrooms, to seize the high yield, become Jingcheng commune “kind of mushroom champion.” In 1983, five new mushroom houses were newly built, and the planting area was expanded to 230m ~ 2, an increase of 3.6 times over 180m ~ 2 from 1982. At the end of April 1984, the harvest ended and the output value reached 5,460 yuan, an increase of 4,950 yuan over that of 1982, an increase of 9.7 times, 23.74 yuan per meter ~ 2 output value. The second fermentation of culture material is the culture material fermentation is divided into two stages. The first stage (also known as pre-fermentation) is carried out in the outdoor fermentation pile. The second stage (also known as post-fermentation) in the room, the culture material moved into the indoor bed frame, sealed doors and windows heated to promote full decomposition of culture materials decomposition, which is called the secondary fermentation culture materials. The secondary fermentation of the main role is to make the culture material in the complex organic matter can be fully decomposed into simple organic matter, mushroom mycelium absorption, thereby effectively increasing mushroom yield per unit area.