Establishment of a Highly Efficient Corn Stock-Degrading Microbial Consortium and Its Degradation Effect

Table 1

Factors and levels of fermentation condition parameters of the consortium.

Factor level	Temperature (A)/°C	Culturing time (B)/d	Nitrogen source (C)/g	Initial pH (D)
1	20	5	Peptone	4.0
2	25	4	Yeast extract	5.0
3	30	3	Beef extract	6.0
4	35	2	Peptone + beef extract	7.0
5	40	1	NH4NO3	8.0