Optimization of Fermentation Technical Parameters for Bio-additive of Crop Straws Fermentation

doi:10.7668/hbnxb.2008.03.051

Abstract

Abstract: The effects of culture component,temperature,pH and dissolved oxygen on the growth of bio-additive of crop straws fermentation were studied by single factor test and the fermentation parameters of the mix strains were optimized.The results got from 5 L fermentation tank tests showed that the optimal culture conditions were compound culture,30℃,pH 5.0,300 r/min,air flow 4 L/min and fermentation periods 24-27 h,and the maximal concentrations of live microzyme and lactobacillus were 2.00×108,2.55×109 individuals/mL in the fermentation liquid,respectively.

Key words: Crop straws fermentation, Bio-additive, Technical parameters, Optimization

CLC Number:

S816.79

XIE Feng-xing, ZHAO Yu-jie, ZHOU Ke, ZHANG Feng-feng, LI Ya-ling. Optimization of Fermentation Technical Parameters for Bio-additive of Crop Straws Fermentation[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(3): 219-222. doi: 10.7668/hbnxb.2008.03.051.

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