Nothing here is label direction — the label is the law. These are notes from other applicators, moderated before they appear. Check the labeling accompanying the product and applicable state requirements.
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FirstRate is a Group 2 herbicide used for the postemergence control of broadleaf weeds in soybeans. The active ingredient is chloramsul-methyl at a concentration of 84%. It is designed for use in both field and potentially supplemental applications to manage various broadleaf species including cocklebur, common ragweed, and wild mustard. The product can be applied as a solo spray or in tank mixes with other herbicides like glyphosate, glufosinate, or various sulfonylureas, though specific compatibility precautions must be followed. It is intended for use on soybean crops. When applying, users should be aware that it can be sensitive to environmental conditions; application during high temperatures or drought stress may impact efficacy or crop safety. The label provides detailed instructions for mixing, including the use of liquid fertilizer to increase efficacy and specific requirements for cleaning spray equipment to prevent cross-contamination. Always follow the specified PPE requirements, including long-sleeved shirts and long pants, to prevent skin contact.
| Target pest | Location | Rate | Unit | Label notes |
|---|---|---|---|---|
| broadleaf weeds | Outdoor | 0.3 | oz/acre | Postemergence application; can be used in tank mixes. |
| For pests | Amount | Per | Label notes |
|---|---|---|---|
| broadleaf weeds | 1/2 of the total volume | tank | Use liquid fertilizer to increase efficacy; follow specific tank mix compatibility instructions for other herbicides. |