| Impact ID | 7952 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Echinochloa crus-galli (barnyard grass) has been reported to accumulate levels of nitrate high enough to be toxic to farm animals. |
| Reference | 24904 |
| Cost | |
| Location | |