The nitrifying bacteria are chemosynthetic autotrophs. 硝化细菌是化能合成的自养生物。
The number of heterotrophic bacteria and nitrifying bacteria increased with the time of the hydraulic retention time, contrary to the nitrobacter. 根际细菌和硝化细菌数量随着水力停留时间增加而增加，而根际反硝化细菌数量则减少。
