| Aflatoxin (µg/kg) | ||||
| Tunica clay | Bosket FSL | |||
| Year | Non-Inc‡ | Inc§ | Non-Inc§ | Inc§ |
| 2011 | 15.9 | 7.6 | 237.5 | 339.9 |
| 2012 | 15.2 | 92.9 | 11.8 | 52.1 |
| Fumonisin (mg/kg) | ||||
| Tunica clay | Bosket FSL | |||
| Year | Non-Inc§ | Inc§ | Non-Inc‡ | Inc§ |
| 2011 | 2.3 | 2.2 | 2.9 | 6.0 |
| 2012 | 0.3 | 4 | 2.6 | 0.6 |