TME | Feacal treatment plant of | ||||
Dogona | Kossodo | Sourgoubila | Zagtouli | Standards of agricultural use [23] | |
Cu (mg/kg) | 103.9 ± 2.00 | 137 ± 25.69 | 106.5 ± 1.20 | 121.7 ± 5.70 | 1750 |
Zn (mg/kg) | 714.83 ± 15.2 | 922.30 ± 7.04 | 710.13 ± 18.97 | 870 ± 18.60 | 4000 |
Pb (mg/kg) | 33.03 ± 1.65 | 39.32 ± 3.80 | 152.40 ± 19.40 | 34.79 ± 0.66 | 1200 |
Cd (mg/kg) | 1.46 ± 0.11 | 1.76 ± 0.04 | 1.34 ± 0.17 | 1.60 ± 0.11 | 40 |
Ni (mg/kg) | 34.34 ± 0.27 | 52.32 ± 3.60 | 35.83 ± 3.03 | 38.016 ± 2.28 | 400 |
Cr (mg/kg) | 771.15 ± 18.36 | 1697.83 ± 55.11 | 840.67 ± 12.91 | 1253 ± 22.67 | 1750 |