Effect of Industrial Effluent on Irrigation Water Quality of Choba River in the Niger Delta Region of Nigeria
Table 1.
FAO guidelines for irrigation water quality parameters
| Parameters | units | FAO guideline | | pH | | 6.5-8.4 | | Electrical Conductivity (EC) | µS/cm | 750 | | Alkalinity | % | 100 | | Sodium (Na+) | mg/l | 20 | | Potassium (K+) | mg/l | 10 | | Calcium (Ca2+) | mg/l | 200 | | Magnesium (Mg2+) | mg/l | 250 | | Chloride (Cl-) | mg/l | 250 | | Carbonate (CO3-) | mg/l | N/A | | Bicarbonate (HCO3-) | mg/l | N/A | | Nitrate (NO3-) | mg/l | 45 | | Sulphate (SO42+) | mg/l | 200 | | Phosphate (PO43-) | mg/l | 0.07 | | Iron (Fe2+) | mg/l | 5 | | Lead (Pb2+) | mg/l | 5 |
|
|
