The composite ratio of oligotrophic bacteria and algicidal strain is 2:1, after separately training.
菌剂复配方式为分别培养后投加，贫营养菌与溶藻菌的复配比为2：1。
2
Therefore it is significant to investigate composition, physiochemical properties and water-chemical environment in the oligotrophic peat in China.
因此，弄清我国贫营养泥炭沉积的物质组成及水化学环境特征，具有重要意义。
3
The research shows that the Chenghai Lake is a tsoda lake which is in transition from freshwater lake to saltwater lake and no longer an oligotrophic lake.