栽培主料要選擇優質硬雜樹種的木屑。比如柞木、櫟木、曲柳、楓木等。因為這些硬質樹木屑質地致密,木質素含量高,香菇菌絲生長比較慢,有利於菌絲中養分積累,肉質致密,菇大並且肉厚。
栽培料中要有合理的碳氮比。香菇菌絲體階段要求合理的碳氮比為20-30:1。因為木屑中碳素充足,氮素缺乏,所以一定要在配料中加入合理的含氮化合物,例如麥麩、米糠等。含氮化合物加入量應根據香菇菌株特點而有所增減,早熟高溫品種用量為15%,而晚熟低溫品種用量應增加到20%。
嚴格控製好培養基含水量。培養基中最理想的含水量為60%,一(yi)般(ban)情(qing)況(kuang)下(xia),培(pei)養(yang)基(ji)偏(pian)濕(shi)要(yao)比(bi)偏(pian)幹(gan)情(qing)況(kuang)下(xia)菌(jun)絲(si)生(sheng)長(chang)健(jian)壯(zhuang),產(chan)量(liang)更(geng)高(gao)一(yi)些(xie)。無(wu)論(lun)菌(jun)絲(si)體(ti)階(jie)段(duan)還(hai)是(shi)子(zi)實(shi)體(ti)階(jie)段(duan),水(shui)分(fen)多(duo)少(shao)都(dou)是(shi)至(zhi)關(guan)重(zhong)要(yao)的(de)。如(ru)果(guo)培(pei)養(yang)基(ji)中(zhong)水(shui)分(fen)不(bu)足(zu),菌(jun)絲(si)生(sheng)長(chang)細(xi)弱(ruo)緩(huan)慢(man),營(ying)養(yang)就(jiu)積(ji)累(lei)不(bu)夠(gou)。而(er)培(pei)養(yang)基(ji)中(zhong)水(shui)分(fen)過(guo)大(da),透(tou)氣(qi)性(xing)不(bu)好(hao),菌(jun)絲(si)缺(que)氧(yang),對(dui)後(hou)期(qi)出(chu)好(hao)菇(gu)極(ji)為(wei)不(bu)利(li)。所(suo)以(yi)一(yi)定(ding)要(yao)控(kong)製(zhi)好(hao)培(pei)養(yang)基(ji)內(nei)含(han)水(shui)量(liang)。
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