Figure 6. The bar diagram showing the Nitrate + Nitrite variation at six cities during the studied four years.

From

Spatio-temporal Variability of Physico-chemical and Biological Water Quality Parameters of River Ganges in Six Cities Situated on Indo-Gangetic Plain Transect

Deepak Singh, Braj B. Singh, Yogesh Kumar

American Journal of Water Resources. 2018, 6(6), 235-245 doi:10.12691/ajwr-6-6-4