highly significantp < 0.001
N 2 O emissions showed a close and highly significant positive correlation with NO 2 − concentrations in the effluent of the biological treatment ( r = 0.81, p < 0.001, n = 60).
N 2 O emissions showed a close and highly significant positive correlation with NO 2 − concentrations in the effluent of the biological treatment ( r = 0.81, p < 0.001, n = 60).