| 
	  
          | Analite | Initial | NF | FF | NF+FF | NF+FF+S | Farm ponds |  
          | Trial 1 |  
          | NH4+ (µg L-1)  | 9.59 ± 0.01  | 24.8 ± 1.38  | 28.4 ± 27.4  | 12.5 ± 2.44  | 28.4 ± 27.4  | 25.8 ± 9.84  |  
          | NO2- (µg L-1)  | 0.15 ± 0.01  | 0.09 ± 0.05  | 0.09 ± 0.04  | 0.12 ± 0.09  | 0.09 ± 0.04  | 0.17 ± 0.08  |  
          | NO3- (µg L-1)  | 17.5 ± 0.01  | 18.9 ± 4.38  | 16.0 ± 2.57  | 25.5 ± 19.3  | 16.0 ± 2.57  | 9.56 ± 6.65  |  
          | NT (mg L-1)  | 2.4 ± 0.00  | 0.70 ± 0.19  | 1.26 ± 0.49  | 0.62 ± 0.12  | 1.26 ± 0.49  | 1.03 ± 0.04  |  
          | Chl-a (mg m-3)  | 3.64 ± 1.62  | 31.1 ± 22.7  | 134 ± 75.8  | 32.9 ± 13.2  | 134 ± 75.9  | 5.13 ± 1.33  |  
          | SST (mg L-1)  | 27.1 ± 0.01  | 29.6 ± 0.24  | 70.3 ± 18.0  | 85.2 ± 21.0  | 70.3 ± 18.0  | 40.0 ± 6.11  |  
          | T(ºC)  | 22.3 ± 0.60  | 22.5 ± 0.87  | 23.2 ± 0.57  | 22.5 ± 0.87  | 23.2 ± 0.57  | 26.8 ± 0.19  |  
          | OD (mg L-1)  | 7.43 ± 0.21  | 7.03 ± 0.21  | 7.07 ± 0.06  | 7.03 ± 0.21  | 7.07 ± 0.06  | 7.02 ± 0.07  |  
        | Trial 2  |  
        | NH4+ (µg L-1)  | 17.0 ± 3.53  | 16.7 ± 5.50  | 82.1 ± 17.4  | 35.2 ± 24.7  | 70.5 ± 2.54  | 13.2 ± 9.35  |  
        | NO2- (µg L-1)  | 0.06 ± 0.01  | 0.34 ± 0.01  | 0.36 ± 0.13  | 0.21 ± 0.03  | 0.32 ± 0.13  | 0.19 ± 0.02  |  
        | NO3- (µg L-1)  | 9.03 ± 2.7  | 12.1 ± 1.61  | 9.86 ± 0.45  | 9.08 ± 2.39  | 8.16 ± 2.84  | 15.7 ± 9.82  |  
        | NT (mg L-1)  | 0.84 ± 0.15  | 1.81 ± 0.46  | 1.70 ± 0.51  | 1.73 ± 0.16  | 1.91 ± 0.41  | 1.48 ± 0.16  |  
        | Chl-a (mg m-3)  | 8.03 ± 3.71  | 6.19 ± 1.11  | 115 ± 16.9  | 96.8 ± 66.5  | 208 ± 119  | 15.9 ± 6.00  |  
        | SST (mg L-1)  | 24.6 ± 3.04  | 43.5 ± 1.18  | 83.9 ± 5.95  | 57.8 ± 14.1  | 80.3 ± 28.2  | 100 ± 18.7  |  
        | T(ºC)  | 24.4 ± 0.08  | 25.1 ± 0.46  | 24.8 ± 0.37  | 25.2 ± 0.46  | 24.9 ± 0.23  | 28.5 ± 0.13  |  
        | OD (mg L-1)  | 7.00 ± 0.01  | 6.35 ± 0.08  | 6.33 ± 0.08  | 6.33 ± 0.08  | 6.43 ± 0.12  | 7.14 ± 0.39  |  
        | Trial 3  |  
        | NH4+ (µg L-1)  | 8.49 ± 0.37  | 115 ± 54.8  | 468 ± 13.4  | 251 ± 33.4  | 260 ± 13.0  | 32.3 ± 27.8  |  
        | NO2- (µg L-1)  | 0.03 ± 0.01  | 1.05 ± 0.25  | 1.21 ± 0.46  | 1.35 ± 0.51  | 1.21 ± 0.12  | 0.13 ± 0.02  |  
        | NO3- (µg L-1)  | 20.5 ± 1.14  | 19.6 ± 5.46  | 28.4 ± 20.3  | 32.1 ± 4.26  | 23.1 ± 3.31  | 5.12 ± 2.89  |  
        | NT (mg L-1)  | 0.94 ± 0.03  | 2.65 ± 0.87  | 2.47 ± 2.05  | 2.40 ± 0.60  | 3.2 ± 0.6  | 1.64 ± 0.46  |  
        | Chl-a (mg m-3)  | 21.5 ± 6.51  | 94.4 ± 25.3  | 57.8 ± 37.7  | 53.0 ± 23.8  | 108 ± 43  | 45.1 ± 8.70  |  
        | SST (mg L-1)  | 16.1 ± 1.08  | 56.2 ± 2.83  | 184 ± 32.2  | 108 ± 24.8  | 205 ± 32.2  | 142 ± 35.1  |  
        | T(ºC)  | 24.4 ± 0.58  | 26.7 ± 0.60  | 25.7 ± 0.63  | 26.7 ± 0.60  | 26.0 ± 0.40  | 27.5 ± 0.42  |  
        | OD (mg L-1)  | 6.29 ± 0.13  | 6.97 ± 0.10  | 6.50 ± 0.18  | 6.97 ± 0.10  | 6.70 ± 0.13  | 6.5 ± 0.23  |  
        | Trial 4  |  
        | NH4+ (µg L-1)  | 8.03 ± 4.0  |  | 118 ± 121  | 51.0 ± 13.6  | 245 ± 13.5  | 19.5 ± 2.22  |  
        | NO2- (µg L-1)  | 0.26 ± 0.01  |  | 4.38 ± 0.79  | 4.58 ± 0.31  | 4.3 ± 0.01  | 0.24 ± 0.02  |  
        | NO3- (µg L-1)  | 17.7 ± 12.7  |  | 1326 ± 626  | 1680 ± 390  | 894 ± 412  | 11.0 ± 0.64  |  
        | NT (mg L-1)  | 1.10 ± 0.29  |  | 3.17 ± 0.15  | 2.59 ± 0.50  | 1.8 ± 0.45  | 1.54 ± 0.66  |  
        | Chl-a (mg m-3)  | 14.3 ± 8.20  |  | 104 ± 88.8  | 63.3 ± 25.3  | 58.7 ± 31.0  | 33.2 ± 8.55  |  
        | SST (mg L-1)  | 26.8 ± 5.6  |  | 250 ± 207  | 71.0 ± 16.6  | 141 ± 52.0  | 98. 8 ± 22.4  |  
        | T(ºC)  | 28.2 ± 1.05  |  | 28.3 ± 0.42  | 28.6 ± 0.29  | 28.4 ± 0.15  | 30.1 ± 0.28  |  
        | OD (mg L-1)  | 7.2 ± 0.4  |  | 4.77 ± 0.31  | 5.27 ± 0.15  | 5.10 ± 0.20  | 7.02 ± 1.01  |  |