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Maintain Clean Soybean Fields with a Post-Emergence Herbicide

June 8, 2018

Apply a post-emergence herbicide to keep your fields clean all season long.

At this point in the season, it’s essential to be thinking about ways to maintain a clean field until soybeans reach canopy. Since weeds compete with soybeans for nutrients and sunlight, preventing weeds from taking over is a key component to maximizing yield potential.

The University of Illinois says many environmental factors, such as rainfall, influence the level of weed control achieved by soil-residual herbicides. So, simply applying a soil-residual herbicide does not guarantee the product will provide the desired level or duration of weed control. This means a post-emergence herbicide might be necessary to ensure your soybeans are well-protected against weeds throughout the growing season.

Choosing an effective post-emergence herbicide is especially important. When selecting a herbicide, choose one that contains multiple sites of action (SOAs) that are effective against the spectrum of weeds present. Additionally, using a post-emergence herbicide with different active ingredients from those in your pre-emergence herbicide can help prevent the development of weed resistance.

For an added layer of weed management, we recommend following Boundary® 6.5 EC and BroadAxe® XC herbicides with Flexstar® GT 3.5 herbicide. You can also follow Boundary 6.5 EC with Prefix® herbicide. Flexstar GT 3.5 and Prefix each contain 2 different SOAs for extended residual activity to manage key ALS- and glyphosate-resistant weeds.

Managing weeds effectively requires more than just a pre-emergence herbicide. Getting ahead of weed pressures and following through with a post-emergence herbicide for an added layer of control will keep your fields clean and give your soybeans the best chance of growing strong this season.

For more tips on how to win the battle against resistant weeds, visit ResistanceFighter.com.

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