| Impact ID | 7975 |
| Impact Type | Water Quality Benefit |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Echinochloa crus-galli (barnyard grass) is able to remove cadmium, copper, and lead from the soil. This ability is enhanced when citric acid is added to the soil. |
| Reference | 24911 |
| Cost | |
| Location | Ewha Womans University, Seoul, Korea |