Fig. 3
Concentration of total nitrogen in years 2004–2018—as simulated by SWAT. The times of modernization of Krotoszyn and Rawicz WWTPs are depicted with vertical lines
Fig. 3 | Environmental Sciences Europe
Concentration of total nitrogen in years 2004–2018—as simulated by SWAT. The times of modernization of Krotoszyn and Rawicz WWTPs are depicted with vertical lines