| Soil | Texture | Organic Matter (%) | Proteins Content (µg·g−1)a | ||
| Control | Loaded with OMWW | Control | Loaded with OMWW | ||
| Revivim | Sandy clay loam | 0.2 | 1.1 | 104.7 | 183.4 |
| Negba | Silt loam | 0.6 | 0.8 | 20.1 | 15.1 |
| Gilat | Sandy clay loam | 1.5 | 3.0 | 10.6 | 81.6 |
| Rahal | Loam | 1.2 | 3.1 | 9.0 | 502.5 |
| Kamrah | Loam | 1.0 | 2.2 | 11.0 | 51.0 |