| Soybean injury (%)b | |||||||
| Herbicide Treatment | Rate | Timinga | 2011 to 2012 | 2012 to 2013 | |||
| (g∙ha−1) | 14 DAA | 28 AA | 14 DAA | 28 DAA | |||
| S-metolachlor | 768 | PRE | 5 | 5 | 10 | 5 | |
| S-metolachlor | 1152 | PRE | 8 | 5 | 12 | 3 | |
| S-metolachlor | 1680 | PRE | 10 | 5 | 12 | 5 | |
| S-metolachlor + glyphosate | 768 + 1860 | PRE | 5 | 5 | 8 | 3 | |
| S-metolachlor + glyphosate | 1152 + 1860 | PRE | 6 | 5 | 11 | 4 | |
| S-metolachlor + glyphosate | 1680 + 1860 | PRE | 6 | 5 | 13 | 5 | |
| S-metolachlor | 768 | EPOST | 15 | 5 | 7 | 9 | |
| S-metolachlor | 1152 | EPOST | 20 | 7 | 20 | 10 | |
| S-metolachlor | 1680 | EPOST | 27 | 9 | 17 | 8 | |
| S-metolachlor + glyphosate | 768 + 1860 | EPOST | 14 | 5 | 12 | 6 | |
| S-metolachlor + glyphosate | 1152 + 1860 | EPOST | 18 | 6 | 15 | 7 | |
| S-metolachlor + glyphosate | 1680 + 1860 | EPOST | 18 | 6 | 16 | 5 | |
| Untreated check | - | - | N/A | N/A | N/A | N/A | |
| LSD (0.05) | - | - | 5 | 2 | 8 | 4 | |