The effect of microcystin-RR (MC-RR) on the growth and physiological characteristics of denitrifying bacteria was studied by analyzing variation of nitrate (NO-3-N) contents,nitrite (NO-2-N) contents and nitrate reductase activity (NR) of denitrifying bacteria in MC-RR contained culture medium.The results showed that the growth and proliferation of denitrifying bacteria was inhibited and the denitrification was weakened with presence of MC-RR. Compared with the control group,the concentration of nitrate dec...
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