When the number of acid-produing anaerobes utilizing glucose was large, the number of anaorobic ammonibacteria and methanobacteria were small,it was very difficult to start fermentation...

• 如果利用葡萄糖的厌氧产酸细菌含量较高、氨化细菌和产甲烷细菌含量低，则发酵难以启动、产气率不高。