Fig. 5
Effect of added nitrogen on phosphorus adsorption. * indicates significant at p < 0. 05, ** indicates significant at p < 0.01, and *** indicates significant at p < 0.001, as below.
Fig. 5 | Scientific Reports
Effect of added nitrogen on phosphorus adsorption. * indicates significant at p < 0. 05, ** indicates significant at p < 0.01, and *** indicates significant at p < 0.001, as below.
