The dissolved oxygen had greater effects on heterotrophic bacteria,ammonifying bacteria and nitrifying bacteria.

溶解氧对异养、氨、硝有较。

If the wastewater concentration was too high, it would stimulate fungus, aminate bacteria, denitrifying bacteria and some anaerobic bacteria to propagate.

污水浓度过，会激土壤中真、氨、反硝及一些厌气性的繁殖。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯铵和50毫升硝液，需要一星期活亚硝酸。