蚕沙分离的溶磷解钾菌株OP6发酵配方

Rizhang WU,Qiong YANG, Yanli DAI,Qiongrong LI,Dongxu XING,Huyu ZHI

AGRICULTURAL ENGINEERING（2019）

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Abstract

发酵是功能微生物菌株实用化的重要环节.以蚕沙中分离的耐高温、具溶磷解钾功能的巨大芽孢杆菌OP6菌株为目标菌株,采用单因素试验研究了其培养基中的碳源、氮源和金属离子等因子对OP6繁殖数量的影响,筛选获得最优发酵配方:玉米淀粉3％,豆粕粉3％,酵母膏0.9％,NaC1 2.5％,CaCO32.5％,MgSO40.4％,KH2PO40.3％,MnSO40.075％,pH值7.2 ～7.5.并对该配方进行了三角瓶和30 L发酵罐验证.

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